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

294 applications lodged in 2025

AddressWhatLodgedStatusCostDwellings
90 Belmont Road Mosman 2088
8.2025.283.1
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 25 Nov 2025 Determined
15 Apr 2026
$535,090 —
46 Bay Street Mosman 2088
8.2025.287.1
Dwelling house; Erection of a new structure 24 Nov 2025 Determined
18 Mar 2026
$3,508,000 1
1a Magic Grove Mosman 2088
8.2025.295.1
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 24 Nov 2025 Withdrawn $1,100,115 1
34 Burran Avenue Mosman 2088
8.2025.60.3
Demolition; Residential flat building; Erection of a new structure; Residential Accommodation 24 Nov 2025 Withdrawn $5,545,100 3
49 Rangers Avenue Mosman 2088
8.2025.286.1
Dwelling house; Alterations or additions to an existing building or structure 20 Nov 2025 Determined
23 Apr 2026
$935,000 1
41 Mandolong Road Mosman 2088
8.2025.284.1
Erection of a new structure; Landscaping structures; Supporting Development 20 Nov 2025 Under Assessment $105,930 —
8 Carrington Avenue Mosman 2088
8.2025.290.1
Dwelling house; Alterations or additions to an existing building or structure 19 Nov 2025 Determined
15 Apr 2026
$1,182,500 —
105 Shadforth Street Mosman 2088
8.2025.9.3
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Semi-detached dwelling; Residential Accommodation 19 Nov 2025 Determined
21 Jan 2026
$735,141 1
13 Prince Albert Street Mosman 2088
8.2018.172.3
Dwelling house; Alterations or additions to an existing building or structure 18 Nov 2025 Determined
20 Apr 2026
$211,700 1
13 Lavoni Street Mosman
8.2020.148.3
Dwelling house; Alterations or additions to an existing building or structure 18 Nov 2025 Determined
6 Jan 2026
$11,138 1
27 Gordon Street Mosman 2088
8.2025.282.1
Dwelling house; Alterations or additions to an existing building or structure 17 Nov 2025 Determined
3 Jun 2026
$630,465 1
3 Little Street Mosman 2088
8.2025.292.1
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 17 Nov 2025 Determined
20 Apr 2026
$2,753,377 1
3 Moruben Road Mosman 2088
8.2025.274.1
Demolition; Residential flat building; Subdivision; Erection of a new structure 17 Nov 2025 Under Assessment $58,878,600 27
24 Wolger Road Mosman 2088
8.2025.271.1
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 17 Nov 2025 Determined
13 Feb 2026
$562,400 1
21 Carrington Avenue Mosman 2088
8.2021.377.5
Dwelling house; Alterations or additions to an existing building or structure 17 Nov 2025 Withdrawn
21 Dec 2022
— 1
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 —
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
— —
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
— —
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 —
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
3 Clifton Street Mosman 2088
8.2025.273.1
Dwelling house; Alterations or additions to an existing building or structure 10 Nov 2025 Determined
24 Aug 2026
$377,300 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
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
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
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
97 Bay Street Mosman 2088
8.2025.261.1
Demolition; Dwelling house; Erection of a new structure 30 Oct 2025 Operational consent requested
19 Aug 2026
$4,473,070 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
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
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 —
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
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
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
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
744 Military Road Mosman 2088
8.2025.254.1
Subdivision 23 Oct 2025 Determined
24 Nov 2025
$20,000 —
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
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 —
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 —
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
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

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.