Development applications — Mosman Municipal Council
2,061 applications since 2019, proposing 2,541 new dwellings.
Largest by cost of works
| Address | What | Cost of works | Status |
|---|---|---|---|
| 44 Rangers Avenue Mosman 2088 | Demolition; Residential flat building; Erection of a new structure; Residential Accommodation | $123,342,161 | Under Assessment |
| 13-15 Moruben Road, Mosman, Nsw, 2088 | Demolition; Residential flat building | $61,517,780 | Under Assessment |
| 3 Moruben Road Mosman 2088 | Demolition; Residential flat building; Subdivision; Erection of a new structure | $58,878,600 | Under Assessment |
| 89 Cowles Road Mosman 2088 | Demolition; Residential flat building; Erection of a new structure; Residential Accommodation | $52,852,404 | Under Assessment |
| 50 Almora Street Mosman 2088 | Demolition; Residential flat building; Erection of a new structure | $50,470,296 | Under Assessment |
180 applications lodged in 2026
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 16 Spencer Road Mosman 2088 8.2026.14.1 |
Alterations or additions to an existing building or structure; Awnings, blinds and canopies; Supporting Development | 5 Feb 2026 | Determined 23 Mar 2026 |
$46,430 | — |
| 128 Raglan Street Mosman 2088 8.2020.125.3 |
Alterations or additions to an existing building or structure; Swimming pool | 4 Feb 2026 | Under Assessment | $7,200 | — |
| 3 Gibson Road Mosman 2088 8.2024.312.2 |
Demolition; Dwelling house; Erection of a new structure | 4 Feb 2026 | Determined 17 Jun 2026 |
$2,882,000 | 1 |
| 40 Rangers Avenue Mosman 2088 8.2026.12.1 |
Dwelling house; Erection of a new structure | 4 Feb 2026 | Determined 2 Mar 2026 |
$186,450 | — |
| 31-33 Awaba Street Mosman 2088 8.2026.11.1 |
Residential flat building; Alterations or additions to an existing building or structure | 3 Feb 2026 | Determined 20 May 2026 |
$1,727,000 | 10 |
| 12 Rangers Avenue Mosman 2088 8.2026.9.1 |
Erection of a new structure; Carport | 28 Jan 2026 | Determined 24 Mar 2026 |
$35,150 | — |
| 551-652 Military Road, Mosman 8.2009.343.7 |
Advertising and signage; Advertising structure | 27 Jan 2026 | Determined 17 Jun 2026 |
— | — |
| 35 Clanalpine Street Mosman 2088 8.2026.8.1 |
Alterations or additions to an existing building or structure; Swimming pool | 27 Jan 2026 | Determined 16 Mar 2026 |
$161,172 | — |
| 21 Carrington Avenue Mosman 2088 8.2021.377.6 |
Dwelling house; Alterations or additions to an existing building or structure | 23 Jan 2026 | Determined 27 Feb 2026 |
— | 1 |
| 18a Musgrave Street Mosman 2088 8.2018.95.4 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 22 Jan 2026 | Determined 4 May 2026 |
$350,000 | 1 |
| 799 Military Road Mosman 2088 8.2026.6.1 |
Alterations or additions to an existing building or structure; Shop; Neighbourhood shop | 21 Jan 2026 | Determined 26 Mar 2026 |
$442,090 | — |
| 47a Spofforth Street Mosman 2088 8.1999.412.3 |
Take away food and drink; Hours of operation and trading | 20 Jan 2026 | Determined 10 Aug 2026 |
$10,000 | — |
| 696 Military Road Mosman 2088 8.2024.144.3 |
Demolition | 14 Jan 2026 | Determined 13 Jul 2026 |
$45,161,758 | — |
| 95 Cabramatta Road Mosman 2088 8.2023.27.3 |
Dwelling house; Alterations or additions to an existing building or structure; Garage, carport or carparking space; Residential Accommodation | 14 Jan 2026 | Determined 2 Mar 2026 |
$450,000 | 1 |
| 3 Elfrida Street Mosman 2088 8.2026.3.1 |
Dwelling house; Alterations or additions to an existing building or structure | 9 Jan 2026 | Determined 10 Feb 2026 |
$192,610 | 1 |
| 744 Military Road Mosman 2088 8.2026.1.1 |
Dwelling house; Alterations or additions to an existing building or structure | 6 Jan 2026 | Withdrawn | $234,449 | 1 |
| 23 Noble Street Mosman 2088 8.2025.313.1 |
Attached dwelling; Demolition; Medium Density Housing; Erection of a new structure | 5 Jan 2026 | Determined 17 Jun 2026 |
$5,348,847 | 3 |
| 18a Spencer Road Mosman 2088 8.2025.326.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 2 Jan 2026 | Determined 4 May 2026 |
$1,170,629 | 1 |
| 56 Bay Street Mosman 2088 8.2025.321.1 |
Erection of a new structure; Landscaping structures; Swimming pool | 2 Jan 2026 | Determined 23 Apr 2026 |
$372,900 | — |
| 1 Kirkoswald Avenue Mosman 2088 8.2025.314.1 |
Dwelling house; Alterations or additions to an existing building or structure | 1 Jan 2026 | Additional Information Requested | $14,836,871 | 1 |
Source: NSW Planning Portal Online DA open API. Cost of works is the applicant's own estimate as lodged, not an assessed or final figure.