See real builds. Check local costs.
Median declared cost around Mosman
- New house
- A$750,800
- Knockdown rebuild
- A$1,000,000
- Duplex
- A$1,200,000
- Townhouses
- A$478,500
- Alterations and additions
- A$620,354
Within 15 km of Mosman · last 12 months · latest 692 applications
Within 15 km of Mosman · last 12 months · latest 638 applications
The declared cost is the applicant own estimate, used to work out the lodgement fee. It is not a contract price.
Newest applications
declared cost A$100,000, not a contract price
declared cost A$864,205, not a contract price
- Alterations and additions18a Spencer Road Mosman 2088
11 September 2026Under assessmentUnder Assessment
declared cost A$1,170,629, not a contract price
declared cost A$199,864, not a contract price
- Alterations and additions5 Thompson Street Mosman 2088
10 September 2026Under assessmentUnder Assessment
declared cost A$1,232,000, not a contract price
declared cost A$1,466,438, not a contract price
declared cost A$724,350, not a contract price
- Alterations and additions46 Clanalpine Street Mosman 2088
8 September 2026Under assessmentUnder Assessment
declared cost A$1,923,000, not a contract price