See real builds. Check local costs.
Median declared cost around Hornsby
- Alterations and additions
- A$190,738
- New house
- A$868,336
- Duplex
- A$1,200,000
- Knockdown rebuild
- A$986,000
- Granny flat
- A$168,615
- Townhouses
- A$1,758,350
Within 15 km of Hornsby · last 12 months · latest 775 applications
Within 15 km of Hornsby · last 12 months · latest 698 applications
The declared cost is the applicant own estimate, used to work out the lodgement fee. It is not a contract price.
Newest applications
- Alterations and additions117 Pretoria Parade Hornsby 2077
17 September 2026ApprovedApproved · CDC Accepted
declared cost A$198,000, not a contract price
declared cost A$650,000, not a contract price
declared cost A$827,372, not a contract price
- New house36 Mittabah Road Hornsby 2077
8 September 2026Under assessmentUnder Assessment · CDC Accepted
declared cost A$200,000, not a contract price
declared cost A$750,000, not a contract price
- New house29 Clarinda Street Hornsby 2077
4 September 2026Under assessmentUnder Assessment · CDC Accepted
declared cost A$1,053,600, not a contract price
declared cost A$717,200, not a contract price
- Alterations and additions27 Denison Street Hornsby 2077
1 September 2026Under assessmentUnder Assessment
declared cost A$99,000, not a contract price