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 |
|---|---|---|---|---|---|
| 18a Spencer Road Mosman 2088 8.2026.177.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 11 Sep 2026 | Under Assessment | $1,170,629 | 1 |
| 5 Thompson Street Mosman 2088 8.2026.178.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 10 Sep 2026 | Under Assessment | $1,232,000 | 1 |
| 57 Mandolong Road Mosman 2088 8.2026.176.1 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 9 Sep 2026 | Under Assessment | $724,350 | — |
| 55 Avenue Road Mosman 2088 8.2026.60.1 |
Dwelling house; Alterations or additions to an existing building or structure | 9 Sep 2026 | Under Assessment | $1,466,438 | 1 |
| 95 Rangers Avenue Mosman 2088 8.2026.50.1 |
Alterations or additions to an existing building or structure; Semi-detached dwelling | 9 Sep 2026 | Under Assessment | $144,870 | — |
| 46 Clanalpine Street Mosman 2088 8.2026.175.1 |
Dwelling house; Alterations or additions to an existing building or structure | 8 Sep 2026 | Under Assessment | $1,923,000 | 1 |
| 938 Military Road, Mosman Nsw 2088 8.2026.170.1 |
Subdivision | 8 Sep 2026 | Under Assessment | — | — |
| 23 Parriwi Road Mosman 2088 8.2025.78.4 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 8 Sep 2026 | Under Assessment | $9,800,786 | 1 |
| 48 Killarney Street Mosman 2088 8.2026.169.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 7 Sep 2026 | Under Assessment | $957,000 | — |
| 23 Holt Avenue Mosman 2088 8.2026.113.1 |
Dwelling house; Alterations or additions to an existing building or structure | 4 Sep 2026 | Under Assessment | $864,431 | — |
| 6 Musgrave Street Mosman 2088 8.2023.59.4 |
Dwelling house; Alterations or additions to an existing building or structure | 4 Sep 2026 | Under Assessment | $1,500,660 | 1 |
| 80 Prince Albert Street Mosman 2088 8.2026.171.1 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Carport; Residential Accommodation | 4 Sep 2026 | Under Assessment | $706,272 | 1 |
| 36 Middle Head Road Mosman 2088 8.2026.173.1 |
Dwelling house; Alterations or additions to an existing building or structure; Carport; Driveways and hard stand spaces; Fences | 3 Sep 2026 | Under Assessment | $291,500 | 1 |
| 28 Pearl Bay Avenue Mosman 2088 8.2026.162.1 |
Dwelling house; Alterations or additions to an existing building or structure | 2 Sep 2026 | Under Assessment | $484,700 | — |
| 2 James Street Mosman 2088 8.2026.167.1 |
Demolition; Dwelling house; Erection of a new structure | 2 Sep 2026 | Under Assessment | $13,414,000 | 1 |
| 3 Want Street Mosman 2088 8.2026.172.1 |
Alterations or additions to an existing building or structure; Driveways and hard stand spaces; Fences; Supporting Development | 1 Sep 2026 | Under Assessment | $44,000 | — |
| 2 8 Awaba Street Mosman 2088 8.2026.168.1 |
Subdivision | 1 Sep 2026 | Under Assessment | $5,000 | — |
| 11 Plunkett Road Mosman 2088 8.2026.163.1 |
Dwelling house; Alterations or additions to an existing building or structure | 1 Sep 2026 | Under Assessment | $269,885 | 1 |
| 107 Shadforth Street Mosman 2088 8.2026.166.1 |
Alterations or additions to an existing building or structure; Fences | 1 Sep 2026 | Under Assessment | $25,080 | — |
| 161 Middle Head Road Mosman 2088 8.2026.39.1 |
Demolition; Residential flat building; Shop top housing; Subdivision; Alterations or additions to an existing building or structure; Erection of a new structure | 1 Sep 2026 | Under Assessment | $12,807,129 | 6 |
| 11 Curraghbeena Road Mosman 2088 8.2026.164.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 1 Sep 2026 | Under Assessment | $2,728,950 | 1 |
| 16 Illawarra Street Mosman 2088 8.2003.75.4 |
Alterations or additions to an existing building or structure; Residential Accommodation | 31 Aug 2026 | Under Assessment | $26,455 | — |
| 8 Rickard Avenue Mosman 2088 8.2026.160.1 |
Demolition; Dwelling house; Erection of a new structure | 28 Aug 2026 | Under Assessment | $3,500,329 | 1 |
| 1a Magic Grove Mosman 2088 8.2026.107.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 28 Aug 2026 | Under Assessment | $1,032,207 | 1 |
| 47 Spofforth Street Mosman 2088 8.2026.161.1 |
Signage; Advertising and signage; Recreation area; Hours of operation and trading | 28 Aug 2026 | Under Assessment | $11,000 | — |
| 18 Esther Road Mosman 2088 8.2026.157.1 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Aug 2026 | Under Assessment | $930,710 | — |
| 3 Elfrida Street Mosman 2088 8.2026.3.4 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Aug 2026 | Determined 22 Sep 2026 |
$195,360 | 1 |
| 39 Spencer Road Mosman 2088 8.2026.159.1 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Aug 2026 | Under Assessment | $99,000 | 1 |
| 19 Clanalpine Street Mosman 2088 8.2026.81.1 |
Demolition; Dwelling house; Erection of a new structure | 26 Aug 2026 | Additional Information Requested | $4,235,000 | 1 |
| 46 Royalist Road Mosman 2088 8.2026.155.1 |
Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support; Fences; Swimming pool | 26 Aug 2026 | Under Assessment | $119,280 | — |
| 40 Stanley Avenue Mosman 2088 8.2026.91.1 |
Demolition; Dwelling house; Erection of a new structure | 26 Aug 2026 | Additional Information Requested | $4,699,272 | 1 |
| 16 Gordon Street Mosman 2088 8.2026.42.2 |
Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses | 24 Aug 2026 | Under Assessment | — | — |
| 89 Shadforth Street Mosman 2088 8.2026.151.1 |
Alterations or additions to an existing building or structure; Centre-based child care | 21 Aug 2026 | Under Assessment | $311,300 | — |
| 26 Middle Head Road Mosman 2088 8.2026.150.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 19 Aug 2026 | Under Assessment | $73,260 | — |
| 12 Keston Avenue Mosman 2088 8.2026.147.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 19 Aug 2026 | Under Assessment | $161,700 | 1 |
| 31-33 Awaba Street Mosman 2088 8.2026.146.1 |
Residential flat building; Alterations or additions to an existing building or structure | 18 Aug 2026 | Under Assessment | $1,727,000 | 10 |
| 9 Coronation Avenue Mosman 2088 8.2025.11.4 |
Dwelling house; Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Fences; Landscaping structures; Pathways and paving; Privacy screens | 13 Aug 2026 | Under Assessment | $2,348,500 | 1 |
| 74-82 Bradleys Head Road Mosman 2088 8.2026.143.1 |
Advertising and signage; Registered club; Recreation/Tourist Premise | 12 Aug 2026 | Under Assessment | $5,000 | — |
| 12 Edwards Bay Road Mosman 2088 8.2025.311.3 |
Dwelling house; Alterations or additions to an existing building or structure; Swimming pool | 12 Aug 2026 | Under Assessment | $2,752,984 | — |
| 68 Moruben Road Mosman 2088 8.2026.139.1 |
Dwelling house; Alterations or additions to an existing building or structure | 11 Aug 2026 | Under Assessment | $623,590 | 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.