170 dwellings — 19, 21, 23, 25 Garthowen Crescent, Castle Hill
Declared State Significant — on the fast-track
326039HDA EOI
Declared State Significant — on the fast-trackStage
170Dwellings (indicative)
Inspire PlanningApplicant
The Hills Shire CouncilCouncil area
2026-06-23HDA briefed
One residential flat building up to a maximum height of 15 stories accommodating approximately 170 apartments, including 20% affordable dwellings for 15 years.
From the NSW Housing Delivery Authority's published record of briefing. Dwelling and height figures are the applicant's proposal — assessment can change them.