Developer Tian An LFD has been given the green light from the NSW Government's Housing Delivery Authority to go ahead with its new Chatswood apartment development, <a href="https://www.apartments.com.au/new-apartments/hammond-greens-chatswood-5-9-gordon-avenue-chatswood-nsw-2067">Hammond Greens</a>.

The 35-storey mixed-use tower at 5-9 Gordon Avenue, on the edge of the Chatswood Bowls Club, will comprise 91 apartments, 22 of which will be affordable homes managed by Link Wentworth. They will sit above a two-level podium with retail and commercial space.

The plans were upsized from the early 25-storey scheme which proposed 64 apartments, following the Government's new planning provisions under the Housing SEPP that gave developers the opportunity to increase heights and floor place in exchange for an affordable housing component.

&nbsp;

The design by <a href="https://www.apartments.com.au/architects/fjc-studio">FJC Studio</a>&nbsp;builds on the concept first presented when the firm won the site’s design competition, describing Hammond Greens as “a unique form of vertical living that belongs on the North Shore - drawing on the vernacular and materiality of suburban living, and integrating native landscaping between the narrow tower forms”.

At ground level, 1,500 sqm of retail and commercial space will activate the podium, supporting a hybrid work environment and creating a stronger connection with the local community. Residents will also have access to an outdoor pool deck, yoga room, golf simulator, and landscaped gardens designed by <a href="https://www.apartments.com.au/landscape-architect/sturt-noble-landscapes">Sturt Noble Associates</a>.

&nbsp;

Located less than 500 metres from Chatswood Transport Interchange, the project contributes to the suburb’s growing pipeline of high-density development. It joins the likes of Changfa's recently launched The Anderson and Billbergia's Chatswood Grand Residences.

Hammond Greens is the first of two towers Tian is planning in Chatswood. They have a sister project, dubbed Hammond Place, just one street away at 15-19 Nelson Street. That will have around 110 apartments.

[smartcode_project_cta:default project_id=142900]

Joel Robinson

Tian An LFD greenlit for Hammond Greens apartments in Chatswood as project launches

The sought-after Latent Defects Insurance policy, offering off the plan apartment buyers peace of mind for 10 years post-completion, has made its way to Sydney’s harbourside. Boutique developer <a href="https://www.apartments.com.au/developers/toohey-miller">Toohey Miller</a> has secured this insurance for its newly launched Elizabeth Bay development, <a href="https://www.apartments.com.au/new-apartments/barncleuth-square-elizabeth-bay-4-4a-barncleuth-square-elizabeth-bay-nsw-2011">Barncleuth</a>. This marks the developer’s second project in the area, following the success of No. 1 Onslow Place.

Latent Defects Insurance, offered by <a href="https://www.apartments.com.au/news/resilience-latent-defects-insurance">Resilience Insurance</a>, provides cover for structural or waterproofing defects in new apartment buildings. It is a policy that only the developer or builder can take out, not the apartment purchaser.

Located just&nbsp;off Macleay Street, one of Sydney’s most desirable high streets, Barncleuth offers a rare collection of only 10 residences. With just two per floor, each oversized floorplan has been designed by SJB specifically for the owner-occupier.

[smartcode_project:default project_id=140184 project_image_fid=356342]

The five-storey building captures views over Rushcutters Bay and Paddington, blending contemporary brickwork with the expressive silhouettes of its Art Deco neighbours.

Inside, the residences, designed by David Hicks, prioritise generous scale and enduring quality, with a mix of two- and three-bedroom layouts. Expansive terraces and cross-ventilated interiors maximise light and airflow, while sustainable features such as a green roof and locally sourced materials reflect SJB’s commitment to long-term liveability.

[smartcode_project:default project_id=140184 project_image_fid=356341]

Developer Toohey Miller, led by Nick Couloumbis, says the design aims to bring lasting quality to an area long celebrated for its apartment heritage.

"It's a stone's throw from the best restaurants in Sydney. Some people call it the Soho of Sydney," Couloumbis told Apartments.com.au when the project was approved.

[smartcode_project:default project_id=140184 project_image_fid=356337]

By securing <a href="https://www.apartments.com.au/news/resilience-latent-defects-insurance">Resilience Latent Defects Insurance</a>, Barncleuth joins a growing group of premium Sydney projects adopting the gold standard in building protection.&nbsp;

The cover, provided before construction begins, ensures any hidden structural or waterproofing defects are repaired immediately, without lengthy litigation or fault disputes.

Resilience Insurance CEO Corey Nugent said the product has been a catalyst for renewed confidence in the off the plan market.&nbsp;

“Ultimately what we’re trying to do is build better buildings consumers can trust. When buyers take possession, they have full insurance protection from day one, for 10 years,” Nugent explained.

Unlike traditional policies such as strata or construction insurance, Resilience LDI is a first-resort, strict liability policy, meaning repairs are covered immediately without needing to prove negligence. Coverage extends to foundations, load-bearing walls, and waterproofing, the elements most critical to long-term structural integrity.

Regarded construction firm Jasara has been appointed to deliver Barncleuth. They are forecasting an early 2027 completion.

[smartcode_project_cta:default project_id=140184]

Toohey Miller brings 10-year Latent Defects Insurance to Elizabeth Bay as Barncleuth apartments launch

<a href="https://www.apartments.com.au/developers/golden-sedayu">Golden Sedayu</a> has unveiled plans for the next phase of its landmark $4 billion <a href="https://www.apartments.com.au/new-townhouses/burswood-point-saintly-entrance-burswood-wa-6100">Burswood Point</a> project, just 3.5km from the Perth CBD at the Belmont Racecourse site.

The Local Development Plan Application has been lodged for a world-class mixed-use hub (Precinct B) on the previously untouched 2.5km stretch of Swan River foreshore.

Designed by Skidmore, Owings &amp; Merrill (SOM), recognised for their work on the world’s tallest skyscraper, Burj Khalifa in Dubai and the One World Trade Centre in New York, Precinct B will feature 15 buildings, offering a mix of residential and commercial spaces including a shopping centre up to 30,000 sqm in size.

Complementing this, an internationally acclaimed five-star hotel, and a high-end pedestrian-friendly retail boulevard with vibrant day-and-night retail, dining, and entertainment venues, will provide exciting new ways for Perth residents to connect with the riverfront.

This latest milestone signals continued construction and expansion momentum across Perth’s premier riverfront community, which is set to attract local, national and international visitors.

[smartcode_project:default project_id=142314 project_image_fid=263304]

The masterplan features 110,000 sqm of public open space, which is comparable to other Perth landmarks including inner-city Langley Park and South Perth foreshore. The riverside precinct will be brought to life through a visionary landscape concept by globally renowned architectural practice Grant Associates.

With an impressive international portfolio, including Gardens by the Bay and Funan Mall in Singapore and Barangaroo South in Sydney, the firm brings expertise in creating environments that harmonise with surrounding amenity.

At 38 hectares, Burswood Point is one of the largest urban development projects ever undertaken in Australia, and one of Perth’s most transformative mixed-use developments.

Golden Sedayu Managing Director Andrew Sugiaputra said the company was working closely with SOM, Grant Associates and the Government of Western Australia to ensure Burswood Point’s design responds sensitively to its surroundings, reflecting and enhancing the character, history, and natural features of the local environment.

[smartcode_project:default project_id=142314 project_image_fid=1817]

“West Australians enjoy a privileged outdoor lifestyle and the Swan River is central to their enjoyment,"&nbsp;Sugiaputra said.

"We’re proud to be creating something truly spectacular and unique for the city, a place that feels alive from sunrise to sunset, a place where people can stay, shop, dine, and celebrate life on the river."

Precinct B builds on the outstanding success of Burswood Point’s first residential stage, which has been met with exceptional market demand. Somerset Residences, a two- tower luxury apartment development, and the exclusive riverfront homes collection are under construction and selling fast. As the number of Perth houses listed for sale remain at or near record lows, Burswood Point will deliver 4,500 new homes over the next 10 years.

“Golden Sedayu is dedicated to delivering on our promises,"&nbsp;Sugiaputra added.

"Our clients can buy with confidence, knowing that the price is fixed throughout construction. In an industry that has faced challenging market conditions, we’re proud to provide our clients complete peace of mind and confidence in the value of their investment."

&nbsp;

[smartcode_project_cta:default project_id=142314]

Golden Sedayu reveals next 15 buildings in Perth's $4 billion Burswood Point precinct

Rising at the base of The Remarkables,&nbsp;diversified New Zealand developer&nbsp;<a href="https://www.apartments.com.au/developers/safari-group">Safari Group</a>'s Mountain Oak Apartments presents a foothold in Frankton, one of Queenstown’s most dynamic and fast-growing locales.&nbsp;

Surrounded by soaring alpine scenery and year-round tourism drawcards, Mountain Oak Apartments is a masterplanned precinct that perfectly balances accessibility with lifestyle amenity.

<img alt="Safari Group offers low-touch investment proposition in Queenstown’s popular ski fields district" data-entity-type="" data-entity-uuid="" src="https://res.cloudinary.com/dz9xllyip/image/fetch/c_scale,w_580,dpr_2.0,q_auto:good/https://res.cloudinary.com/dz9xllyip/image/fetch/f_auto,c_limit,w_1440,q_auto/https://s3.ap-southeast-2.amazonaws.com/www.urban.com.au/s3fs-public/field/image/Ext_Cam15_Sunny.jpg?VersionId=SJAROUM_1s.Tr5ciMk4EEj5oAt_Vewmv" />

Frankton has emerged as a strategic growth zone just seven kilometres from Queenstown’s CBD, popular among both residents and investors for its proximity to the airport, the region’s two premier ski fields, Coronet Peak and Cardrona Alpine Resort, and an expanding network of shops, services, and recreation options. The apartments enjoy immediate access to the popular Market Street dining hub, as well as Five Mile Shopping Centre and the seasonal Remarkables Market, where locals gather for fresh produce and artisan goods.

The location also places residents near the gateway to South Island adventures. Scenic trails, golf courses, and Lake Wakatipu’s edge are within easy reach, while the historic village of Arrowtown, renowned for its preserved gold rush-era charm and walking routes, is a short drive away. Local transport connectivity is supported by the nearby airport and arterial roads, ideal for frequent travellers and short-term guests alike.

<img alt="Safari Group’s Mountain Oak Apartments brings new investment potential to Queenstown" data-entity-type="" data-entity-uuid="" src="https://res.cloudinary.com/dz9xllyip/image/fetch/c_scale,w_580,dpr_2.0,q_auto:good/https://s3.ap-southeast-2.amazonaws.com/www.urban.com.au/s3fs-public/inline-images/313_Living_WEB.jpg?VersionId=3LglY20Jp_MAzQYdvwODRWvtjL.cZcqI" />

Tourism-driven demand underpins strong investment fundamentals in Queenstown, with a noted shortage of short- and long-term accommodation stock. Mountain Oak’s 365-day visitor accommodation consent directly addresses this need, offering a rare opportunity to serve Queenstown’s dual population of holidaymakers and hospitality workers.

Construction of the 141 residences began in June 2025, with completion anticipated by mid-2027. Apartments range from one-bedroom to penthouses, with pricing from NZ$639,000. Dual-key options and low-maintenance finishes support a flexible rental model with strong gross return potential.

Staff Writer

From slopes to markets: Mountain Oak connects residents to the best of Queenstown

Deicorp is doubling down in the Hills Showground Station Precinct, the rapidly growing area surrounding the Castle Hill Metro and one of the state’s largest transit-oriented urban renewal sites.

Having launched Hills Showground Village several years ago, and now about 70 per cent through its build, Deicorp has brought another mini-masterplan to market just a few streets away.

The developer has now released the first of 873 residences in <a href="https://www.apartments.com.au/new-apartments/showground-pavilions-castle-hill-3-andalusian-way-castle-hill-nsw-2154">Showground Pavilions</a>, five new buildings located just 500 metres from the Metro, which connects Castle Hill residents to Martin Place in around 37 minutes.

[smartcode_project:default project_id=150067 project_image_fid=351416]

The mix includes one, two, and three-bedroom apartments, as well as a limited release of garden terrace homes with studies.

Designed by <a href="https://www.apartments.com.au/architects/turner-studio">Turner Studio</a> and <a href="https://www.apartments.com.au/architects/group-gsa">GroupGSA</a>, the residences are configured around a network of landscaped courtyards and podium-level gardens, with additional rooftop terraces offering views across the district.&nbsp;Communal amenities include a 3,500 sqm public park, playgrounds, shaded seating areas and walking and cycling paths.

[smartcode_project:default project_id=150067 project_image_fid=351416]

Interiors feature flexible layouts with oversized living areas, deep balconies, SMEG kitchen appliances and floor-to-ceiling glass to maximise light and airflow.&nbsp;

Many apartments include a study space, while select residences offer private outdoor areas. A total of 44 apartments have been designated as affordable housing for key workers, such as nurses, teachers and police officers.

[smartcode_project:default project_id=150067 project_image_fid=351413]

On top of its strong connectivity to the city, Deicorp has delivered significant new amenity to the area. The developer recently opened the 9,500sqm, four-level retail precinct at Hills Showground Village, which includes 26 specialty retailers and a 1,400sqm public plaza, creating a new community hub for shopping, dining, fitness, and everyday convenience. Castle Towers, one of Australia’s largest shopping centres, is also just one Metro stop away.

Between Hills Showground Village and Showground Pavilions, Deicorp is delivering more than 1,300 new homes to the rapidly growing Castle Hill precinct, representing a $2 billion investment in the suburb.

Showground Pavilions is one of several Metro-linked projects in Deicorp’s pipeline, joining developments at Tallawong Village, Zetland, Five Dock, Macquarie Park and Crows Nest.

[smartcode_project_cta:default project_id=150067]

Deicorp expands Castle Hill footprint with Showground Pavilions launch

Lockout Laws

<html><body>
EXPERT OBSERVER
The New South Wales Bureau of Crime Statistics and Research (BOCSAR) <a href="https://www.bocsar.nsw.gov.au/Pages/bocsar_media_releases/2019/mr-Impact-lockouts-on-the-CBD.aspx" target="_blank">recently claimed</a> Sydney’s alcohol licensing regulations, commonly known as <a href="https://theconversation.com/au/topics/lockout-laws-26282" target="_blank">lockout laws</a>, reduced non-domestic assaults by 13% in the CBD.
Its calculation relied on a decision to allocate 1,837 of these offences to both Kings Cross and the CBD – that is, double-counting the data.
<a href="https://www.parliament.nsw.gov.au/ladocs/submissions/63631/Submission%20734%20-%20Centre%20for%20Translational%20Data%20Science,%20University%20of%20Sydney.pdf" target="_blank">Our analysis</a> found this decision was critical to the conclusion that assaults decreased in the CBD. For every other choice about the areas to which offences data were allocated and type of analysis we found no decrease.
<img src="https://images.theconversation.com/files/298452/original/file-20191024-119433-7qnb4k.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt="">
Map of Sydney and the entertainment precincts as used by BOCSAR in its analysis: blue – CBD entertainment precinct; red – Kings Cross entertainment precinct; green – nearby displacement areas; yellow – outer displacement areas.
<a href="https://www.parliament.nsw.gov.au/ladocs/submissions/63631/Submission%20734%20-%20Centre%20for%20Translational%20Data%20Science,%20University%20of%20Sydney.pdf%5D" target="_blank">Our findings</a> highlight an important question: how do the choices of data collection, pre-processing and analysis affect policy decisions?
The allocation of crimes to areas is just one of several choices made when using data to assess policy impacts. Other choices include how to measure violent crime, what time period to consider and the geographical extent of the areas to include. The question is: if other choices were made, would the results affect a <a href="https://www.propertyobserver.com.au/https://www.abc.net.au/news/2019-09-08/sydney-lockout-laws-rolled-back/11489806" target="_blank">decision to repeal or continue the laws</a>?
Our findings point to the need to follow a couple of principles when using data to inform policymaking. First, the institution that collects data and the institution that analyses the data should be independent of each other. Second, we need as much transparency about the data and its analysis as possible.
<h2>So what exactly did the analyses show?</h2>
BOCSAR chose to use monthly non-domestic assaults from 2009 onwards. There is nothing wrong with these choices, but others could have been made.
For instance, why from 2009 onwards, not from 2005? Why monthly, not daily? Why reported non-domestic assaults, not reported assaults causing grievous bodily harm? Why divide the area into the CBD and Kings Cross only?
One way of assessing the impact of such choices is to use different subsets of data, different types of data pre-processing and different statistical and/or machine-learning techniques. If the conclusion still remains the same, then our decision is robust to this source of variability. If not, we need to understand why.
For the Kings Cross precinct, the analysis by the Centre for Translational Data Science at the University of Sydney showed the conclusion remained unchanged irrespective of the frequency and period over which data were collected and the analysis performed. Non-domestic assaults had declined following the introduction of the lockout laws in 2014.
For the CBD the reverse was true. Only if we make exactly the same choices as BOCSAR, in particular allocating 1,837 crimes to both the CBD and King Cross, could we conclude non-domestic assaults had decreased very slightly.
Under all other variations of the analyses, including data, methodology and spatial allocation of that data, we found no decrease. Non-domestic assaults in the CBD had been decreasing since 2008 and, if anything, more slowly after the lockout laws took effect.
So why was the inclusion of 1,837 crimes so critical to the conclusions about the CBD?
Using data provided by BOCSAR, we plotted the most likely location of those 1,837 crimes. Figure 1 shows these crimes occurred mainly in Kings Cross, an area in which the crime rate had fallen since 2014. We say “most likely location” because we have yet to receive the additional data we requested from BOCSAR to help us locate exactly where these crimes occurred.
<a href="https://images.theconversation.com/files/298427/original/file-20191023-119429-qgf5xh.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip"><img src="https://images.theconversation.com/files/298427/original/file-20191023-119429-qgf5xh.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt=""></a> Counts of crimes (per SA1 region) that were assigned to both the CBD and Kings Cross. Centre for Translational Data Science, Author provided
With the removal of those 1,837 crimes from the CBD, we detected no decrease in non-domestic assaults. But BOCSAR apparently did. After removing those crimes from the CBD, BOCSAR released an <a href="https://www.bocsar.nsw.gov.au/Documents/BB/2019-Report-Effect-of-lockout-and-last-drinks-laws-on-assaults-BB142.pdf" target="_blank">updated report</a> to a <a href="https://www.parliament.nsw.gov.au/committees/listofcommittees/Pages/committee-details.aspx?pk=260" target="_blank">parliamentary inquiry into Sydney’s night-time economy</a>. This report claimed assaults in the CBD decreased by 4% (much less than the original 13%).
The committee then asked for our <a href="https://www.parliament.nsw.gov.au/ladocs/other/12591/Centre%20for%20Translational%20Data%20Science.pdf" target="_blank">comments</a>. We found the report did not provide a confidence interval for this decrease. Yet the report made a virtue of reporting uncertainty estimates for other quantities and elsewhere it claimed “statistically significant” results.
We replicated BOCSAR’s analysis and found the change in crime could have been as low as a 12% decrease and as high as a 6% increase. In other words, the result is “statistically insignificant”.
<h2>What are the implications for making policy?</h2>
Why does this matter? There are two reasons.
First, the danger in not explaining, quantifying and reporting uncertainty is that the public loses trust in data-driven policymaking. Only if conclusions acknowledge and explain the uncertainty inherent in inferring complex quantities from data can we make robust and explainable policy decisions that build trust with the public.
Second, if we don’t accept and report uncertainty we could stop looking for other explanations. We might then fail to achieve an outcome that everyone wants: a reduction in violence and a healthy night-time economy.
How do we proceed from here? We’d make two recommendations:
<ol>
<li>
The institution that collects and curates the data should be distinct, informed but independent from the institution/s that analyse the data.
</li>
<li>
There should be as much data transparency as possible, which would enable different groups to perform different types of analyses, using different sources of data.
</li>
</ol>
We are almost certain these different groups would produce different findings, but the subsequent discussion could provide insights that move us closer to more robust and acceptable policy decisions.
To <a href="https://www.brainpickings.org/2012/08/27/richard-feynman-on-the-role-of-scientific-culture-in-modern-society/" target="_blank">quote</a> Nobel Prize-winning physicist Richard Feynman:
If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives … to make progress, one must leave the door to the unknown ajar.
The <a href="https://www.parliament.nsw.gov.au/ladocs/inquiries/2519/Report%20-%20Sydneys%20night%20time%20economy.pdf" target="_blank">parliamentary committee’s recommendation</a> that BOCSAR and the Centre for Translational Data Science work together more closely appears to do just that. We look forward to an ongoing collaboration to further our understanding of the drivers of violent crime.<img src="https://counter.theconversation.com/content/125227/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important; text-shadow: none !important;">
<a href="https://theconversation.com/profiles/sally-cripps-857344" target="_blank">Sally Cripps</a>, Professor of Statistics, Director of Centre for Translational Data Science, <a href="http://theconversation.com/institutions/university-of-sydney-841" target="_blank">University of Sydney</a> and <a href="https://theconversation.com/profiles/roman-marchant-365741" target="_blank">Roman Marchant</a>, Senior research fellow and lecturer, <a href="http://theconversation.com/institutions/university-of-sydney-841" target="_blank">University of Sydney</a>
This article is republished from <a href="http://theconversation.com" target="_blank">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/sydney-lockout-laws-review-highlights-vital-role-of-transparent-data-analysis-125227" target="_blank">original article</a>.
</body></html>

jrobinson-rf4aSBido9

Sydney lockout laws review highlights vital role of transparent data analysis

<html><body>
The NSW Government is inviting community feedback on the second stage of its 24-hour economy liquor law reforms.
The draft Liquor Amendment (24-hour Economy) Bill 2020 aims to create risk-based liquor laws that support business.
Minister for Customer Service Victor Dominello said, “the proposals will help boost the state’s night time economy by removing outdated laws, simplifying licensing processes and creating a new incentives and sanctions system that rewards licence holders with a clear record.” 
“We want pubs, bars and hotels to hit the ground running on the other side, but we are mindful of how rules such as social distancing may need to be accommodated.”
Minister for Jobs, Investment, Tourism and Western Sydney Stuart Ayres said the hospitality sector is a significant employer and lifeblood for many communities, but has been dealt a devastating blow and brought to its knees due to COVID-19.
“COVID-19 has hit the hospitality industry hard and fast. We recognise the importance of streamlining the previously complicated legislation to make it easier for industry to get back on their feet as social distancing restrictions ease,” Mr Ayres said.
“There is now clearly a light at the end of the tunnel for our hospitality sector and this will give them hope for the future.”
Key proposals include:
A new incentives and sanctions system with ongoing fee discounts for licensed venues that maintain a clear record; Removal of outdated live music restrictions; Allow small bars to offer more family friendly services to customers, by permitting minors in certain circumstances; Reducing red tape by aligning liquor licensing and planning processes; and Enhancing same day alcohol delivery regulations.
</body></html>

j.ballantyne1990-6AQqhLzZaK

Economic reform supports 24-hour nightlife revival post coronavirus

<html><body>
GUEST OBSERVATION
The New South Wales Bureau of Crime Statistics and Research (BOCSAR) recently claimed Sydney’s alcohol licensing regulations, commonly known as lockout laws, reduced non-domestic assaults by 13% in the CBD.
Its calculation relied on a decision to allocate 1,837 of these offences to both Kings Cross and the CBD – that is, double-counting the data.
<a href="https://www.parliament.nsw.gov.au/ladocs/submissions/63631/Submission%20734%20-%20Centre%20for%20Translational%20Data%20Science,%20University%20of%20Sydney.pdf" target="_blank">Our analysis</a> found this decision was critical to the conclusion that assaults decreased in the CBD. For every other choice about the areas to which offences data were allocated and type of analysis we found no decrease.
<img src="https://images.theconversation.com/files/298452/original/file-20191024-119433-7qnb4k.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt="">
Map of Sydney and the entertainment precincts as used by BOCSAR in its analysis: blue – CBD entertainment precinct; red – Kings Cross entertainment precinct; green – nearby displacement areas; yellow – outer displacement areas.
<a href="https://www.parliament.nsw.gov.au/ladocs/submissions/63631/Submission%20734%20-%20Centre%20for%20Translational%20Data%20Science,%20University%20of%20Sydney.pdf%5D" target="_blank">Our findings</a> highlight an important question: how do the choices of data collection, pre-processing and analysis affect policy decisions?
The allocation of crimes to areas is just one of several choices made when using data to assess policy impacts. Other choices include how to measure violent crime, what time period to consider and the geographical extent of the areas to include. The question is: if other choices were made, would the results affect a <a href="https://www.propertyobserver.com.au/https://www.abc.net.au/news/2019-09-08/sydney-lockout-laws-rolled-back/11489806" target="_blank">decision to repeal or continue the laws</a>?
Our findings point to the need to follow a couple of principles when using data to inform policymaking. First, the institution that collects data and the institution that analyses the data should be independent of each other. Second, we need as much transparency about the data and its analysis as possible.
So what exactly did the analyses show?
BOCSAR chose to use monthly non-domestic assaults from 2009 onwards. There is nothing wrong with these choices, but others could have been made.
For instance, why from 2009 onwards, not from 2005? Why monthly, not daily? Why reported non-domestic assaults, not reported assaults causing grievous bodily harm? Why divide the area into the CBD and Kings Cross only?
One way of assessing the impact of such choices is to use different subsets of data, different types of data pre-processing and different statistical and/or machine-learning techniques. If the conclusion still remains the same, then our decision is robust to this source of variability. If not, we need to understand why.
For the Kings Cross precinct, the analysis by the Centre for Translational Data Science at the University of Sydney showed the conclusion remained unchanged irrespective of the frequency and period over which data were collected and the analysis performed. Non-domestic assaults had declined following the introduction of the lockout laws in 2014.
For the CBD the reverse was true. Only if we make exactly the same choices as BOCSAR, in particular allocating 1,837 crimes to both the CBD and King Cross, could we conclude non-domestic assaults had decreased very slightly.
Under all other variations of the analyses, including data, methodology and spatial allocation of that data, we found no decrease. Non-domestic assaults in the CBD had been decreasing since 2008 and, if anything, more slowly after the lockout laws took effect.
So why was the inclusion of 1,837 crimes so critical to the conclusions about the CBD?
Using data provided by BOCSAR, we plotted the most likely location of those 1,837 crimes. Figure 1 shows these crimes occurred mainly in Kings Cross, an area in which the crime rate had fallen since 2014. We say “most likely location” because we have yet to receive the additional data we requested from BOCSAR to help us locate exactly where these crimes occurred.
<a href="https://images.theconversation.com/files/298427/original/file-20191023-119429-qgf5xh.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=1000&amp;fit=clip"><img src="https://images.theconversation.com/files/298427/original/file-20191023-119429-qgf5xh.png?ixlib=rb-1.1.0&amp;q=45&amp;auto=format&amp;w=754&amp;fit=clip" alt=""></a>
Counts of crimes (per SA1 region) that were assigned to both the CBD and Kings Cross. Centre for Translational Data Science, Author provided
With the removal of those 1,837 crimes from the CBD, we detected no decrease in non-domestic assaults. But BOCSAR apparently did. After removing those crimes from the CBD, BOCSAR released an <a href="https://www.bocsar.nsw.gov.au/Documents/BB/2019-Report-Effect-of-lockout-and-last-drinks-laws-on-assaults-BB142.pdf" target="_blank">updated report</a> to a <a href="https://www.parliament.nsw.gov.au/committees/listofcommittees/Pages/committee-details.aspx?pk=260" target="_blank">parliamentary inquiry into Sydney’s night-time economy</a>. This report claimed assaults in the CBD decreased by 4% (much less than the original 13%).
The committee then asked for our <a href="https://www.parliament.nsw.gov.au/ladocs/other/12591/Centre%20for%20Translational%20Data%20Science.pdf" target="_blank">comments</a>. We found the report did not provide a confidence interval for this decrease. Yet the report made a virtue of reporting uncertainty estimates for other quantities and elsewhere it claimed “statistically significant” results.
We replicated BOCSAR’s analysis and found the change in crime could have been as low as a 12% decrease and as high as a 6% increase. In other words, the result is “statistically insignificant”.
What are the implications for making policy?
Why does this matter? There are two reasons.
First, the danger in not explaining, quantifying and reporting uncertainty is that the public loses trust in data-driven policymaking. Only if conclusions acknowledge and explain the uncertainty inherent in inferring complex quantities from data can we make robust and explainable policy decisions that build trust with the public.
Second, if we don’t accept and report uncertainty we could stop looking for other explanations. We might then fail to achieve an outcome that everyone wants: a reduction in violence and a healthy night-time economy.
How do we proceed from here? We’d make two recommendations:
<ol>
<li>
The institution that collects and curates the data should be distinct, informed but independent from the institution/s that analyse the data.
</li>
<li>
There should be as much data transparency as possible, which would enable different groups to perform different types of analyses, using different sources of data.
</li>
</ol>
We are almost certain these different groups would produce different findings, but the subsequent discussion could provide insights that move us closer to more robust and acceptable policy decisions.
To <a href="https://www.brainpickings.org/2012/08/27/richard-feynman-on-the-role-of-scientific-culture-in-modern-society/" target="_blank">quote</a> Nobel Prize-winning physicist Richard Feynman: "If we will only allow that, as we progress, we remain unsure, we will leave opportunities for alternatives … to make progress, one must leave the door to the unknown ajar."
The <a href="https://www.parliament.nsw.gov.au/ladocs/inquiries/2519/Report%20-%20Sydneys%20night%20time%20economy.pdf" target="_blank">parliamentary committee’s recommendation</a> that BOCSAR and the Centre for Translational Data Science work together more closely appears to do just that. We look forward to an ongoing collaboration to further our understanding of the drivers of violent crime.<img src="https://counter.theconversation.com/content/125227/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important; text-shadow: none !important;">
Sally Cripps, Professor of Statistics, Director of Centre for Translational Data Science, <a href="http://theconversation.com/institutions/university-of-sydney-841" target="_blank">University of Sydney</a>.
Roman Marchant, Senior research fellow and lecturer, <a href="http://theconversation.com/institutions/university-of-sydney-841" target="_blank">University of Sydney</a>.
This article is republished from <a href="http://theconversation.com" target="_blank">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/sydney-lockout-laws-review-highlights-vital-role-of-transparent-data-analysis-125227" target="_blank">original article</a>.
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GUEST OBSERVER
The Sydney “lockout laws” have created significant debate about whether crime is being reduced, if it is being pushed into surrounding areas, and what the impacts are on local residents.
My research with Georgia Perks found that, despite reports of increased violence in these areas surrounding the lockout zone, the benefit outweighs the costs for local residents.
Our analysis of rental prices shows a small decline immediately after the lockout laws came into effect in February 2014. Since then, rents in these areas have outstripped other comparable areas in Sydney. 
This shows that residents of areas affected by the lockout are benefiting from new entertainment hubs and a nightlife economy that have sprung up since the lockout laws took effect.
<a href="https://www.propertyobserver.com.au/images/2017/09/12/Screen%20Shot%202017-09-12%20at%208.52.38%20AM.png" target="_blank">Click to enlarge</a>
<img src="https://www.urban.com.au/images/2017/09/12/Screen%20Shot%202017-09-12%20at%208.52.38%20AM.png" alt="">
<h2>The impact of the lockout laws on crime</h2>
The lockout law prohibits people entering hotels, registered clubs, nightclubs and karaoke bars after 1.30am in several areas of Sydney’s CBD (also called the Sydney Entertainment Precinct). These venues also have to stop serving alcohol after 3am. 
This law is a type of “geographically targeted crime control”. This means it targets “hot spots”, rather than the root cause of the crime.
If we are simply concerned about crime reduction, there are now several studies that show the lockout laws have substantially reduced the amount of alcohol-related violence and injuries in the targeted areas.
Restrictions on alcohol access have also been shown to work elsewhere, notably in Western Australia, Newcastle, and Queensland. Outside of Australia, this has been shown to work in the United States, Sweden, and the Netherlands.
So there is sufficient evidence to support the effectiveness of restrictions like the lockout laws in reducing crime in the targeted areas. But the research also shows increased violence in neighbouring areas, suggesting crime has moved. 
An important question is whether increased nightlife in these surrounding areas outweighs the cost of increased crime, and what is more important to local residents. 
<h2>Weighing up the lockout laws</h2>
A standard way to quantify the pros and cons of a policy like the lockout laws to local residents, and to weigh up factors such as crime and added entertainment venues, is to look at housing market data. 
When they make their decisions, potential buyers and sellers take into account information such as local crime and amenities (schools, entertainment venues, etc). Market prices then reflect this information and decision-making. If the average price in an area increases that means the value of living in that area has increased, taking all factors into consideration.
Using this logic, we studied rental prices in areas surrounding the target areas for the lockout laws. More data is available on rental prices in the short run than house prices, so it is useful to study the immediate market response to new policies. 
<a href="https://www.propertyobserver.com.au/images/2017/09/12/Screen%20Shot%202017-09-12%20at%208.55.04%20AM.png" target="_blank">Click to enlarge</a>
<img src="https://www.urban.com.au/images/2017/09/12/Screen%20Shot%202017-09-12%20at%208.55.04%20AM.png" alt="">
We collected prices both before and after the lockout law took effect, and compared areas in Sydney that have entertainment venues such as Newtown and Pyrmont (the “displacement area”) with areas that don’t, such as Alexandria, Chippendale, and Rozelle (the “control area”).
Our results show that there was a relatively small drop in rental prices of smaller dwellings (most likely to be on the main roads surrounding entertainment venues) in areas neighbouring the lockout, but this effect was weak and short-lived. This indicates that the market responded negatively to the increased crime being displaced from lockout areas, but this sentiment dissipated quickly.
On the other hand, we observe a greater, positive effect for larger dwellings. These are most likely to be off the main roads, having some separation from the noise and lights of the entertainment hubs but still near the nightlife. This phenomenon persisted throughout our study period, as shown in the following chart. 
The trend in the displacement area outweighed the trend in the control area. This difference after the implementation of the laws is statistically significant.
Overall our research strengthens the idea that the lockout laws are effective in controlling alcohol-fuelled crime and violence. Data show that crime and violence in displacement areas increased by a much smaller amount than the reduction in the lockout areas. This means residents in the displacement areas are actually better off due to new access to entertainment venues and the nightlife economy. 
However, this is not a full endorsement of the lockout laws. Neither our research nor earlier studies have investigated the business side of the lockout laws and the impact on the nightlife economy. There are likely to be forgone profits and lost jobs in targeted areas, as well as extra profits and new job opportunities in the displacement areas.
Similarly, we should study the gains and losses of non-resident late-night partygoers. The loss of nightlife and live entertainment culture in the target area was continuously highlighted in the debate. 
These concern have influenced a recent relaxation in the lockout laws for establishments that provide “genuine live entertainment”. Is this the right decision? We have a strong evidence of the effectiveness of the Sydney lockout laws in crime prevention. What we need is further evidence of the effects on these other groups.
<a href="https://theconversation.com/profiles/shiko-maruyama-405538" target="_blank">Shiko Maruyama</a> is Associate Professor of Economics, University of Technology Sydney and author for <a href="https://theconversation.com/au" target="_blank">The Conversation</a>.
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jchancellor-FAypfDUnLy

Are residents better off under the Sydney ‘lockout laws’?

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<img src="https://counter.theconversation.edu.au/content/57114/count.gif" alt="The Conversation" width="1" height="1">
GUEST OBSERVER
Sydney’s lockout laws, as well as current and proposed restrictions in other Australian cities including Melbourne, Brisbane, Perth and Newcastle, are perhaps more about regulating people’s behaviours in cities than about liquor licensing.
Such knee-jerk responses to tidy up the mess of complex issues belie society’s need for diversity. They also neglect culture’s debt to the manifold possibilities of social behaviour in urban space.
Viewed as part of a broader historical pattern, such episodes of regulatory crackdown remind us that a seemingly purified city is not necessarily a healthy or diverse one.
<h2>Early steps</h2>
Australian cities have always been extraordinarily diverse places. Amid broader sociocultural and regulatory shifts, this diversity has produced instability as people from different backgrounds, ages, means, religions, sexualities and abilities have come together.
Some of the places where these instabilities play out are on the streets and in drinking establishments such as the café, bar and pub. People watch each other, ascribing meanings onto each other based on visual cues. Public drunkenness is one such cue.
An especially notorious instance was in London in the early 1700s during the gin craze. William Hogarth, the pictorial satirist of urban life, captured “Gin Lane” in 1751. On the streets of London, Hogarth moralised the issue, representing men wasting away rather than working, and a mother neglecting her children, allowing them to fall headfirst down the stairs. 
The issue was not alcohol itself (Hogarth thought beer okay), but rather the relationship between gin, nationalism and the lower classes, which apparently produced vice and neglect. The London authorities’ response was to regulate by introducing the Gin Acts, which raised prices and cut consumption.
In Australia, liquor licensing has also never operated in a historical or urban vacuum. English writer Richard Horne observed in Melbourne in the 1850s:
"The scenes that are witnessed, half-way up Bourke Street, in the direct line of both our Houses of Parliament [Spring Street], actually surpass anything in St Gile’s or Covent Garden [London] after dusk. It may seem strange that city authorities do not abate these disgraceful nuisances.
The “nuisances” he saw were young women. A typical mid-19th-century moralist, Horne believed – based on visual cues – that these women were “depraved”. Being an unaccompanied woman on the street was apparently linked to the dual vices of drinking and prostitution.
The solution Horne proposed was intervention by the urban authorities, to clear the streets for people that he perceived as more respectable.
<h2>The 20th century to today</h2>
Over the next century, the temperance movement sought to eliminate all alcohol consumption. So came about the pubs with no beer: the coffee palaces.
Across the Australian city, immaculate buildings were designed by leading architects to house these late-night venues, including the Federal Coffee Palace in Melbourne, the Sydney Coffee Palace in Woolloomooloo and the People’s Palace in Brisbane.
Urban improvement extended from buildings to the streets where freshwater fountains were constructed to quench the thirst of urban dwellers “in the interests of humanity and temperance”. Improving streets and cities for the greater good, such measures were typical of turn-of-the-20th-century social advocacy.
Young people were known to congregate around the fountains. Even during periods of restrictive liquor licensing, urban diversity has taken many forms, so long as alternative public places have been provided.
The next challenge for inner-city urban life related to liquor regulation was the early closing movement, coupled with rapid mid-20th-century suburbanisation that emptied out the Australian CBD outside the working week. The early closure of pubs led to the infamous six o’clock swil<a href="https://www.propertyobserver.com.au/https://journals.publishing.monash.edu.au/ojs/index.php/ha/article/view/347">l</a>.
Although temperance campaigners denied the existence of a “Pig Swill” during the NSW Royal Commission on Liquor in 1952, had the campaigners visited a pub or the street in the late afternoon their minds might have been changed. The refusal to visit the streets, to seek out visual cues, represented a form of wilful blindness typical across urban history.
At that time, hordes of pub patrons, predominantly men, entered the street on their way home to the suburbs. Outside Melbourne’s Young and Jackson pub on Swanston Street, opposite Flinders Street Station, men lined up to publicly urinate against the tiles. Walking past this prominent spot, opposite St Paul’s Cathedral, was no doubt an undesirable street experience.
Over the coming years every Australian city liberalised its licensing hours. Adelaide was the last to do so in 1967. These changes paved the way for the night culture familiar to us today.
Whenever authorities have regulated the city there have been unintended consequences. Heightening liquor regulation has for centuries been the immediate response of urban policymakers when confronted with people and behaviours deemed socially undesirable.
The overarching goal has been to impose a sense of order on the city and its spaces. But that happens at the expense of street life, public safety and social diversity. Shutting the pub early impacts urban life as a holistic ecosystem and, without viable public alternatives as in the past, this serves to eliminate difference on the street.
Cities thrive as messy places. No matter the underlying justification, to “lock out” the city is to diminish it.
Andrew J. May is professor of history, University of Melbourne and can be contacted <a href="https://theconversation.com/profiles/andrew-j-may-96245" target="_blank">here</a>.
James Lesh is research assistant and PhD candidate, School of Historical and Philosophical Studies, University of Melbourne and can be contacted <a href="https://theconversation.com/profiles/james-lesh-257650" target="_blank">here</a>.
Both are authors for The Conversation.
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