Development applications — Mosman Municipal Council
2,007 applications since 2019, proposing 2,503 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 |
All applications, most recently lodged first
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 20 Kirkoswald Avenue Mosman 2088 8.2025.278.1 |
Dwelling house; Alterations or additions to an existing building or structure | 13 Nov 2025 | Determined 15 Apr 2026 |
$2,453,000 | — |
| 11 Almora Street Mosman 2088 8.2025.268.1 |
Demolition; Dwelling house; Erection of a new structure | 10 Nov 2025 | Withdrawn | $2,887,775 | 1 |
| 19 Plunkett Road Mosman 2088 8.2025.272.1 |
Erection of a new structure; Garage, carport or carparking space | 10 Nov 2025 | Determined 18 Feb 2026 |
$341,170 | — |
| 8-12 Balmoral Avenue, Mosman 8.2022.163.7 |
Alterations or additions to an existing building or structure; Tennis courts | 10 Nov 2025 | Determined 18 Feb 2026 |
— | — |
| 8-12 Balmoral Avenue, Mosman 8.2022.163.8 |
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah | 10 Nov 2025 | Determined 18 Mar 2026 |
— | — |
| 49 Wyong Road Mosman 2088 8.2025.266.1 |
Dwelling house; Erection of a new structure | 7 Nov 2025 | Under Assessment | $4,023,940 | 1 |
| 7 Bond Street Mosman 2088 8.2025.270.1 |
Demolition; Residential flat building; Erection of a new structure | 7 Nov 2025 | Under Assessment | $23,915,000 | 27 |
| 1 Shellbank Avenue Mosman 2088 8.2025.256.1 |
Dwelling house; Erection of a new structure; Residential Accommodation | 3 Nov 2025 | Determined 12 Dec 2025 |
$174,240 | — |
| 93 Holt Avenue Mosman 2088 8.2025.260.1 |
Dwelling house; Alterations or additions to an existing building or structure | 31 Oct 2025 | Determined 3 Dec 2025 |
$992,200 | 1 |
| 13 Congewoi Road Mosman 2088 8.2025.107.3 |
Dwelling house; Alterations or additions to an existing building or structure | 30 Oct 2025 | Determined 13 Jan 2026 |
$1,344,544 | 1 |
| 97 Bay Street Mosman 2088 8.2025.261.1 |
Demolition; Dwelling house; Erection of a new structure | 30 Oct 2025 | Under Assessment | $4,473,070 | 1 |
| 26 Thompson Street Mosman 2088 8.2025.259.1 |
Dwelling house; Alterations or additions to an existing building or structure | 30 Oct 2025 | Withdrawn | $1,111,990 | 1 |
| 65 Wolseley Road Mosman 2088 8.2023.275.9 |
Dwelling house; Alterations or additions to an existing building or structure | 28 Oct 2025 | Determined 21 Nov 2025 |
$2,216,500 | 1 |
| 21 Stanton Road Mosman 2088 8.2025.17.4 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Oct 2025 | Determined 27 Mar 2026 |
$1,306,808 | 1 |
| 15 Medusa Street Mosman 2088 8.2023.157.2 |
Dwelling house; Erection of a new structure | 27 Oct 2025 | Determined 28 Jul 2026 |
$90,000 | 1 |
| 14 Delecta Avenue Mosman 2088 8.2025.257.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 27 Oct 2025 | Determined 18 Mar 2026 |
$1,362,029 | — |
| 744 Military Road Mosman 2088 8.2025.254.1 |
Subdivision | 23 Oct 2025 | Determined 24 Nov 2025 |
$20,000 | — |
| 6 Morella Road Mosman 2088 8.2025.246.1 |
Dwelling house; Alterations or additions to an existing building or structure | 23 Oct 2025 | Determined 24 Dec 2025 |
$937,200 | 1 |
| 2 Burran Avenue Mosman 2088 8.2023.135.5 |
Dwelling house; Alterations or additions to an existing building or structure | 23 Oct 2025 | Determined 19 Dec 2025 |
$9,900,000 | 1 |
| 56 Rangers Avenue Mosman 2088 8.2025.247.1 |
Dwelling house; Alterations or additions to an existing building or structure | 22 Oct 2025 | Determined 10 Apr 2026 |
$453,000 | 1 |
| 53 Glover Street Mosman 2088 8.2025.250.1 |
Dwelling house; Alterations or additions to an existing building or structure | 20 Oct 2025 | Determined 5 Dec 2025 |
$1,187,194 | 1 |
| 3 Awaba Street Mosman 2088 8.2025.255.1 |
Dwelling house; Alterations or additions to an existing building or structure | 20 Oct 2025 | Determined 28 Nov 2025 |
$200,684 | 1 |
| 14 Gordon Street Mosman 8.2024.230.3 |
Dwelling house; Alterations or additions to an existing building or structure | 20 Oct 2025 | Determined 9 Feb 2026 |
$135,823 | — |
| 32 Ida Avenue Mosman 2088 8.2024.213.2 |
Demolition; Dwelling house; Erection of a new structure | 20 Oct 2025 | Determined 27 Feb 2026 |
$588,500 | — |
| 2 Balmoral Avenue Mosman 2088 8.2025.253.1 |
Dwelling house; Alterations or additions to an existing building or structure | 17 Oct 2025 | Determined 13 Apr 2026 |
$2,722,500 | 1 |
| 110 Raglan Street Mosman 2088 8.2025.252.1 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 15 Oct 2025 | Determined 19 Dec 2025 |
$359,700 | 1 |
| 23 Bapaume Road Mosman 2088 8.2025.232.1 |
Residential flat building; Alterations or additions to an existing building or structure | 10 Oct 2025 | Determined 18 Mar 2026 |
$466,400 | — |
| Spit Road Middle Harbour 8.2025.234.1 |
Alterations or additions to an existing building or structure; Marina | 10 Oct 2025 | Determined 18 Mar 2026 |
$6,737,213 | — |
| 7a Kardinia Road Mosman 2088 8.2025.242.1 |
Erection of a new structure; Shade structures of canvas, fabric, mesh or the like | 8 Oct 2025 | Determined 12 Nov 2025 |
$93,500 | — |
| 180 Spit Road Mosman 2088 8.2025.227.1 |
Alterations or additions to an existing building or structure; Residential Accommodation | 8 Oct 2025 | Determined 17 Dec 2025 |
$1,276,011 | — |
| 35 Pearl Bay Avenue Mosman 2088 8.2025.229.1 |
Dwelling house; Alterations or additions to an existing building or structure | 7 Oct 2025 | Under Assessment | $4,907,074 | 1 |
| 24 Middle Head Road Mosman 2088 8.2025.243.1 |
Dwelling house; Erection of a new structure; Residential Accommodation | 7 Oct 2025 | Determined 22 Dec 2025 |
$2,749,961 | 1 |
| 47b Raglan Street Mosman 2088 8.2025.241.1 |
Dwelling house; Alterations or additions to an existing building or structure | 7 Oct 2025 | Determined 12 Feb 2026 |
$20,000 | 1 |
| 11a Musgrave Street Mosman 2088 8.2025.239.1 |
Demolition; Erection of a new structure; Dual occupancy (attached) | 7 Oct 2025 | Determined 18 Mar 2026 |
$8,956,907 | 2 |
| 34 Redan Street Mosman 2088 8.2025.235.1 |
Demolition; Residential flat building; Erection of a new structure | 3 Oct 2025 | Under Assessment | $7,260,000 | 3 |
| 11/24 Warringah Rd Mosman Nsw 2088 8.2025.236.1 |
Alterations or additions to an existing building or structure; Multi-dwelling housing (terraces) | 3 Oct 2025 | Determined 28 Nov 2025 |
$130,000 | 1 |
| 49 Upper Avenue Road Mosman 2088 8.2025.240.1 |
Multi-dwelling housing; Erection of a new structure | 3 Oct 2025 | Determined 13 Feb 2026 |
$148,500 | — |
| 161 Middle Head Road Mosman 2088 8.2025.237.1 |
Demolition; Shop top housing; Alterations or additions to an existing building or structure | 3 Oct 2025 | Withdrawn | $12,945,840 | 6 |
| 17 Sirius Cove Road Mosman 2088 8.2025.226.1 |
Demolition; Dwelling house; Erection of a new structure | 1 Oct 2025 | Determined 15 Apr 2026 |
$3,740,911 | 1 |
| 98 Holt Avenue Mosman 2088 8.2025.225.1 |
Demolition; Erection of a new structure; Carport; Minor building alterations (external) | 29 Sep 2025 | Determined 18 Mar 2026 |
$70,329 | — |
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.