250 dwellings — 35, 37 Middleton Avenue, 3, 5, 7 Ashford Avenue, Castle Hill
Declared State Significant — on the fast-track
319590HDA EOI
Declared State Significant — on the fast-trackStage
250Dwellings (indicative)
23 storeysScale sought
Scion Dev 02 Pty LtdApplicant
The Hills Shire CouncilCouncil area
2026-06-22HDA briefed
Residential flat building up to approximately 23 storeys and then a stepping down of the built form to Ashford Avenue with a smaller tower. The development comprises up to 250 apartments, with 5% affordable housing 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.