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21 Middleton Avenue, 23 Middleton Avenue, 16 Partridge Avenue, 18 Partridge Avenue, Castle Hill — from public NSW planning records, surfaced the day they publish.

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260 dwellings — 21 Middleton Avenue, 23 Middleton Avenue, 16 Partridge Avenue, 18 Partridge Avenue, Castle Hill

Declared State Significant — on the fast-track

325621HDA EOI
Declared State Significant — on the fast-trackStage
260Dwellings (indicative)
Developable Pty LtdApplicant
The Hills Shire CouncilCouncil area
2026-06-22HDA briefed

15 - storey shop - top housing development, 260 apartments with 10% affordable housing for a period of at least 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.