DevelopmentsThe One Castle HillCastle Hill, NSW 2154The One Castle HillThe One Castle Hill

The One Castle Hill

16 Dawes Avenue, Castle Hill NSW 2154

Under construction
  • 280 residences
  • 6 floors
  • 8 buildings
Progress verified
Estimated completion late 2029
  1. Plans approved
  2. Construction started
  3. Under construction
  4. Complete

Under construction by Masscon, on track for late 2029

This development isn’t being actively monitored by the developer
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Our take by

Apartments loves The One Castle Hill because…

The One Castle Hill, delivered by The One Collection in partnership with builder Masscon, introduces an elegantly calibrated mid-rise precinct designed by Place Studio. Responding to its expansive multi-frontage allotment, the architecture employs carefully modulated massing and deep garden setbacks to harmonise with the evolving neighbourhood streetscape. Lush communal green spaces, biophilic pathways, and expansive private floorplans prioritise acoustic seclusion and natural cross-ventilation, establishing a sophisticated standard of craftsmanship.

Development information for The One Castle Hill

Suburb:
Castle Hill, NSW 2154
Local Government Area:
The Hills Shire Council
Project Status:
Under construction
Estimated Completion Date:
Late 2029
Residences:
280
Car Spaces:
515
Buildings:
8
Building Type:
Mid-Rise
Floors:
6

Meet the team behind The One Castle Hill - 16 Dawes Avenue, Castle Hill

Landmark intelligence by

“Connected living situated just 550 metres from Hills Showground Metro Station.”

What's near The One Castle Hill

  1. Under 1km
    Transport

    Hills Showground Metro Station

    Provides high-frequency metro services direct to Norwest, Macquarie Park, Chatswood, and the Sydney CBD.

    Gardens

    Castle Hill Showground

    Features open sports grounds, off-leash dog spaces, walking tracks, and community event arenas.

  2. Under 1.5km
    Education

    Castle Hill Public School

    Serves as the local primary educational institution catering to students from kindergarten through Year 6.

    Groceries

    Castle Mall Shopping Centre

    Houses a full-line supermarket alongside fresh food retailers, bakeries, and daily essential services.

    GP / Medical

    Castle Hill Medical Centre

    Provides comprehensive general practice care, pathology, allied health consultations, and specialised clinical services.

Castle Hill, NSW 2154

Castle Hill represents an established northwestern Sydney hub characterised by an affluent family demographic and substantial retail infrastructure. The suburb exhibits steady capital growth driven by ongoing urban renewal and high-frequency transit along the Sydney Metro Northwest line.

Infrastructure updates

The property sits within the Hills Showground Station Precinct, subject to NSW Department of Planning amendments to The Hills LEP 2019 enabling up to 9,000 dwellings, backed by the $20bn Sydney Metro Northwest network and active State Significant Development pathways (SSD-80229956).

Amenities near The One Castle Hill

Built-in buyer protection

State-backed peace of mind for your new home.

6-year structural protection

Covered for 6 years post-completion.

2-year builder care period

Maintenance coverage for 2 years post-completion.

Standard statutory warranty periods vary by state. Terms apply under local residential building guidelines.

NSW Government

News about The One Castle Hill - 16 Dawes Avenue, Castle Hill

The One Collection
The One Collection
a year ago
Sydney’s apartment market is entering a new era of design ambition and buyer confidence. With construction pipelines stabilising and population pressures intensifying, 2026 is shaping up as a year def...
Sydney's top 15 new apartment developments set to launch in 2026

Sydney's top 15 new apartment developments set to launch in 2026

The One Collection
The One Collection
a year ago
In a move that aligns with NSW's accelerated planning incentives for affordable housing, developer One Collection has revised its Hills District apartment plans, and taken it to the NSW Governmen...
First look: One Collection advances plans for Castle Hill apartments

First look: One Collection advances plans for Castle Hill apartments

The One Collection
The One Collection
4 years ago
Castle Hill is set to see two huge new apartment developments that will bring well over 600 apartments to the burgeoning suburb. Sydney developer Bathla Group are behind one of the two projects sub...
First look: Castle Hill set for two huge new apartment developments

First look: Castle Hill set for two huge new apartment developments

The One Collection
The One Collection
a year ago
Hurstville has quietly become one of Sydney’s most resilient property markets. Supported by strong transport links, infrastructure investment and a growing multicultural community, the St George hub c...
The One Collection opens new investment window at Horizon Hurstville with limited-time incentives

The One Collection opens new investment window at Horizon Hurstville with limited-time incentives

The One Collection
The One Collection
a year ago
Sydney’s unit market continued its steady momentum in June, recording a 0.5 per cent rise in values, according to Cotality’s latest Home Value Index. The strong performance outpaced the city’s hous...
City Beat June 2025: Sydney units continue quiet comeback as new project launches capture off the plan demand

City Beat June 2025: Sydney units continue quiet comeback as new project launches capture off the plan demand

The One Collection
The One Collection
a year ago
The rising cost of construction, combined with significant growth in Sydney’s property market, means first home buyers looking to get a foothold on the property ladder need to act quickly in the new a...
Why first home buyers have to act fast in Sydney's new and off the plan apartment market

Why first home buyers have to act fast in Sydney's new and off the plan apartment market

The One Collection
The One Collection
a year ago
A full-line Woolworths, a new retail laneway, and a collection of sculptural residential buildings are anchoring the next stage of growth in Hurstville, where The One Collection has officially launche...
Horizon brings connected parkside living to Hurstville’s growing centre

Horizon brings connected parkside living to Hurstville’s growing centre

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