21-23 Middleton Avenue, Castle Hill, NSW 2154

Colliers is proud to exclusively present to market For Sale 21-23 Middleton Avenue, Castle Hill.

Positioned within one of Sydney’s most sought-after growth precincts, this property presents a rare high-density residential development opportunity in the heart of Castle Hill.

Key Highlights Include:
- Well-proportioned and substantial 1,895 m²* development opportunity
- Broad 45 metre* combined street frontage
- 61 metre* diagonal site depth
- Favourable R4 High Density Residential Zoning 
- Prominent and accessible location at the fringe of the expanding Castle Hill Centre
- 450m* walking distance to Hills Showground Metro Station
- Short distance to Castle Towers, Castle Hill Train Station and Castle Mall
- Within proximity of desirable primary, secondary and tertiary education.

This exceptional offering provides developers and investors with the opportunity to secure a significant landholding within one of Sydney’s most established and rapidly evolving residential precincts.

21-23 Middleton Avenue is being offered For Sale via Expressions of Interest closing Friday, 30 October 2026 at 3.00pm (AEDT).

For more information or to arrange an inspection, please contact the exclusive agents

*Approximate