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 |
294 applications lodged in 2025
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 202a Raglan Street Mosman 2088 8.2022.80.5 |
Alterations or additions to an existing building or structure; Semi-detached dwelling | 26 Aug 2025 | Determined 22 Oct 2025 |
$381,732 | 1 |
| 16 Gordon Street Mosman 2088 8.2025.185.1 |
Dwelling house; Alterations or additions to an existing building or structure | 25 Aug 2025 | Withdrawn | $74,000 | — |
| 26 Cabramatta Road Mosman 2088 8.2018.77.4 |
Dwelling house; Alterations or additions to an existing building or structure | 25 Aug 2025 | Determined 11 Dec 2025 |
$403,650 | 1 |
| 1095 Middle Head Road Mosman 2088 8.2025.183.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 25 Aug 2025 | Determined 4 Nov 2025 |
$450,000 | 1 |
| 12 Musgrave Street Mosman 2088 8.2025.186.1 |
Erection of a new structure; Swimming pool | 25 Aug 2025 | Determined 29 Sep 2025 |
$275,000 | — |
| 49 Lang Street Mosman 2088 8.2025.175.1 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 18 Aug 2025 | Determined 30 Sep 2025 |
$460,603 | 1 |
| 3 Coronation Avenue Mosman 2088 8.2024.272.3 |
Demolition; Dwelling house; Erection of a new structure | 15 Aug 2025 | Determined 12 Dec 2025 |
$1,800,000 | 1 |
| 20 Musgrave Street Mosman 2088 8.2025.171.1 |
Alterations or additions to an existing building or structure; Driveways and hard stand spaces; Earthworks, retaining walls and structural support; Pathways and paving | 15 Aug 2025 | Determined 13 Nov 2025 |
$608,000 | 10 |
| 14 Mulbring Street Mosman 2088 8.2025.172.1 |
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Carport; Fences | 14 Aug 2025 | Determined 21 Oct 2025 |
$297,000 | — |
| 2 47 Musgrave Street Mosman 2088 8.2025.165.1 |
Alterations or additions to an existing building or structure; Dual occupancy (attached); Balcony, deck, patio, terrace or verandah; Minor building alterations (internal); Minor building alterations (external); Privacy screens; Supporting Development | 11 Aug 2025 | Withdrawn | $712,209 | 1 |
| 20/Dp1316203 8.2025.169.1 |
Dwelling house; Alterations or additions to an existing building or structure; Semi-detached dwelling; Garage, carport or carparking space; Minor building alterations (internal); Minor building alterations (external) | 8 Aug 2025 | Determined 19 Nov 2025 |
$1,454,000 | 2 |
| 8 Prince Albert Street Mosman 2088 8.2025.170.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 8 Aug 2025 | Determined 12 Nov 2025 |
$334,235 | — |
| 28 Beauty Point Road Mosman 2088 8.2024.157.4 |
Alterations or additions to an existing building or structure; Awnings, blinds and canopies; Balcony, deck, patio, terrace or verandah | 7 Aug 2025 | Determined 19 Nov 2025 |
$119,000 | — |
| 15 Burton Street Mosman 2088 8.2025.166.1 |
Dwelling house; Erection of a new structure | 7 Aug 2025 | Determined 17 Dec 2025 |
$4,486,985 | 1 |
| 26 Carrington Avenue Mosman 2088 8.2024.120.3 |
Dwelling house; Alterations or additions to an existing building or structure | 5 Aug 2025 | Determined 17 Dec 2025 |
$2,213,200 | 1 |
| 32 Plunkett Road Mosman 2088 8.2025.159.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 4 Aug 2025 | Determined 15 Oct 2025 |
$336,351 | 1 |
| 1 Alexander Avenue Mosman 2088 8.2025.155.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 4 Aug 2025 | Withdrawn | $892,329 | 1 |
| 26 Cabramatta Road Mosman 2088 8.2025.163.1 |
Home business; Hours of operation and trading | 4 Aug 2025 | Withdrawn | — | — |
| 7 Milton Avenue Mosman 2088 8.2025.154.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 1 Aug 2025 | Determined 17 Dec 2025 |
$694,700 | — |
| 4 Ruby Street Mosman 2088 8.2025.161.1 |
Dwelling house; Alterations or additions to an existing building or structure | 1 Aug 2025 | Determined 19 Sep 2025 |
$3,700 | 1 |
| 6 Major Street Mosman 2088 8.2025.153.1 |
Demolition; Dwelling house; Erection of a new structure | 31 Jul 2025 | Determined 18 Feb 2026 |
$3,201,667 | 2 |
| 4 Burton Street Mosman 2088 8.2025.151.1 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure | 31 Jul 2025 | Determined 18 Feb 2026 |
$734,250 | 1 |
| 1 Whiting Beach Road Mosman 2088 8.2025.152.1 |
Dwelling house; Alterations or additions to an existing building or structure | 31 Jul 2025 | Determined 15 Oct 2025 |
$418,000 | 1 |
| 18 Coronation Avenue Mosman 2088 8.2025.150.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 29 Jul 2025 | Determined 19 Nov 2025 |
$2,884,200 | — |
| 14 Hopetoun Avenue Mosman 2088 8.2020.113.5 |
Dwelling house; Erection of a new structure | 29 Jul 2025 | Determined 25 Nov 2025 |
$7,964,000 | 1 |
| 4 Sirius Avenue Mosman 2088 8.2024.31.2 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 23 Jul 2025 | Determined 18 Nov 2025 |
$2,399,892 | 1 |
| 2 228 Raglan Street Mosman 2088 8.2025.147.1 |
Alterations or additions to an existing building or structure; Residential Accommodation | 22 Jul 2025 | Determined 15 Sep 2025 |
$200,000 | — |
| 30 Muston Street Mosman 2088 8.2025.138.1 |
Demolition; Residential flat building; Erection of a new structure; Residential Accommodation | 21 Jul 2025 | Determined 18 Feb 2026 |
$10,579,854 | 4 |
| 22 Kirkoswald Avenue Mosman 2088 8.2025.132.1 |
Demolition; Dwelling house; Erection of a new structure | 21 Jul 2025 | Determined 18 Feb 2026 |
$2,566,141 | 1 |
| 5 Brady Street Mosman 2088 8.2022.332.8 |
Residential flat building; Alterations or additions to an existing building or structure | 21 Jul 2025 | Determined 2 Dec 2025 |
$16,302,541 | 13 |
| 24 Keston Avenue Mosman 2088 8.2025.140.1 |
Alterations or additions to an existing building or structure; Driveways and hard stand spaces | 21 Jul 2025 | Determined 17 Sep 2025 |
$55,000 | — |
| 18 Beauty Point Road Mosman 2088 8.2025.143.1 |
Dwelling house; Alterations or additions to an existing building or structure | 21 Jul 2025 | Determined 11 Sep 2025 |
$509,795 | 1 |
| 32 Congewoi Road Mosman 2088 8.2025.139.1 |
Erection of a new structure; Balcony, deck, patio, terrace or verandah; Swimming pool | 21 Jul 2025 | Determined 11 Sep 2025 |
$250,000 | — |
| 11 Markham Close Mosman 2088 8.2024.53.3 |
Demolition; Dwelling house; Erection of a new structure | 18 Jul 2025 | Determined 15 Sep 2025 |
$3,765,015 | 1 |
| 17 Reginald Street Mosman 2088 8.2025.136.1 |
Alterations or additions to an existing building or structure; Carport; Earthworks, retaining walls and structural support | 17 Jul 2025 | Determined 17 Oct 2025 |
$144,177 | — |
| 17 Balmoral Avenue Mosman 2088 8.2023.172.2 |
Alterations or additions to an existing building or structure; Minor building alterations (external) | 15 Jul 2025 | Determined 17 Nov 2025 |
$2,331,479 | — |
| 144 Raglan Street Mosman 2088 8.2025.130.1 |
Subdivision | 15 Jul 2025 | Determined 19 Aug 2025 |
— | — |
| 686 Military Road Mosman 2088 8.2024.138.3 |
Alterations or additions to an existing building or structure; Residential Accommodation | 14 Jul 2025 | Determined 9 Oct 2025 |
$15,252,137 | — |
| 14 Prince Street Mosman 2088 8.2022.160.3 |
Alterations or additions to an existing building or structure; Semi-detached dwelling | 10 Jul 2025 | Determined 14 Nov 2025 |
$184,000 | 1 |
| 18 Rickard Avenue Mosman 2088 8.2023.48.4 |
Alterations or additions to an existing building or structure; Residential Accommodation | 10 Jul 2025 | Determined 15 Sep 2025 |
— | — |
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.