Development applications — Mosman Municipal Council

2,061 applications since 2019, proposing 2,541 new dwellings.

Largest by cost of works

AddressWhatCost of worksStatus
44 Rangers Avenue Mosman 2088Demolition; Residential flat building; Erection of a new structure; Residential Accommodation$123,342,161Under Assessment
13-15 Moruben Road, Mosman, Nsw, 2088Demolition; Residential flat building$61,517,780Under Assessment
3 Moruben Road Mosman 2088Demolition; Residential flat building; Subdivision; Erection of a new structure$58,878,600Under Assessment
89 Cowles Road Mosman 2088Demolition; Residential flat building; Erection of a new structure; Residential Accommodation$52,852,404Under Assessment
50 Almora Street Mosman 2088Demolition; Residential flat building; Erection of a new structure$50,470,296Under Assessment

All applications, most recently lodged first

AddressWhatLodgedStatusCostDwellings
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.