102 dwellings — 2, 4, 22, 24, 26 & 28 Garthowen Crescent, and 24, 26, 26A, 28 & 30 Old Castle Hill, Castle Hill
Declared State Significant — on the fast-track
308766HDA EOI
Declared State Significant — on the fast-trackStage
102Dwellings (indicative)
36 storeysScale sought
Castle Diamond Pty LtdApplicant
The Hills Shire CouncilCouncil area
2026-06-15HDA briefed
4 tower, residential flat building of up to 36 storeys. Amending SSDA to provide an additional 102 dwellings (355 total). With 15% of residential GFA
From the NSW Housing Delivery Authority's published record of briefing. Dwelling and height figures are the applicant's proposal — assessment can change them.