PUBLIC PLANNING RECORDS

Development applications · Mosman Municipal Council

Explore recorded proposals and decisions. Check your address to see what matters closest to home.

1,722Recorded applications
76Lodged in the last 90 days
$2,175,149,263Reported estimates across 1601 applications

Records lodged 3 July 2020–29 Sept 2026. 90-day figures calculated on 9 Oct 2026. Figures cover the eligible records held by MyStreet, not every application submitted to council. Estimated costs are reported proposal values, not property values or realised investment.

Other 11Refused 1Approved 32Withdrawn 78Determined 1,505Under assessment 95

Latest applications

Page 1 of 44
Under assessment

17 Stanley Avenue, Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.104.1 · Lodged 29 Sept 2026Reported estimated cost: $2,888,469
Under assessment

17 Reginald Street Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house

8.2026.190.1 · Lodged 29 Sept 2026Reported estimated cost: $211,382
Under assessment

161 Avenue Road Mosman 2088

Residential flat building · Erection of a new structure · Residential Accommodation

8.2026.189.1 · Lodged 24 Sept 2026Reported estimated cost: $5,236,000
Under assessment

18 Inkerman Street Mosman 2088

Dwelling house · Erection of a new structure · Residential Accommodation

8.2025.31.3 · Lodged 24 Sept 2026Reported estimated cost: $2,860,000
Under assessment

8 Morella Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.185.1 · Lodged 24 Sept 2026Reported estimated cost: $1,887,113
Under assessment

181 Raglan Street Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house

8.2026.186.1 · Lodged 23 Sept 2026Reported estimated cost: $688,600
Under assessment

9 Union Street Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2025.315.2 · Lodged 23 Sept 2026Reported estimated cost: $1,805,000
Under assessment

18a Spencer Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.177.1 · Lodged 11 Sept 2026Reported estimated cost: $1,170,629
Under assessment

5 Thompson Street Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house · Residential Accommodation

8.2026.178.1 · Lodged 10 Sept 2026Reported estimated cost: $1,232,000
Under assessment

13 Clanalpine Street Mosman 2088

Dwelling house · Erection of a new structure

8.2020.204.3 · Lodged 10 Sept 2026Reported estimated cost: $2,205,325
Under assessment

57 Mandolong Road Mosman 2088

Alterations or additions to an existing building or structure · Demolition · Dwelling house · Residential Accommodation

8.2026.176.1 · Lodged 9 Sept 2026Reported estimated cost: $724,350
Under assessment

55 Avenue Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.60.1 · Lodged 9 Sept 2026Reported estimated cost: $1,466,438
Determined

46 Clanalpine Street Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house

8.2026.175.1 · Lodged 8 Sept 2026Reported estimated cost: $1,923,000
Under assessment

23 Parriwi Road Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house · Residential Accommodation

8.2025.78.4 · Lodged 8 Sept 2026Reported estimated cost: $9,800,786
Under assessment

48 Killarney Street Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.169.1 · Lodged 7 Sept 2026Reported estimated cost: $957,000
Determined

23 Holt Avenue Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house

8.2026.113.1 · Lodged 4 Sept 2026Reported estimated cost: $864,431
Under assessment

6 Musgrave Street Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2023.59.4 · Lodged 4 Sept 2026Reported estimated cost: $1,500,660
Under assessment

80 Prince Albert Street Mosman 2088

Demolition · Dwelling house · Alterations or additions to an existing building or structure · Carport · Residential Accommodation

8.2026.171.1 · Lodged 4 Sept 2026Reported estimated cost: $706,272
Under assessment

36 Middle Head Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Carport · Driveways and hard stand spaces · Fences

8.2026.173.1 · Lodged 3 Sept 2026Reported estimated cost: $291,500
Under assessment

2 James Street Mosman 2088

Demolition · Dwelling house · Erection of a new structure

8.2026.167.1 · Lodged 2 Sept 2026Reported estimated cost: $13,414,000
Under assessment

28 Pearl Bay Avenue Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.162.1 · Lodged 2 Sept 2026Reported estimated cost: $484,700
Under assessment

3 Want Street Mosman 2088

Alterations or additions to an existing building or structure · Driveways and hard stand spaces · Fences · Supporting Development

8.2026.172.1 · Lodged 1 Sept 2026Reported estimated cost: $44,000
Under assessment

107 Shadforth Street Mosman 2088

Alterations or additions to an existing building or structure · Fences

8.2026.166.1 · Lodged 1 Sept 2026Reported estimated cost: $25,080
Under assessment

11 Plunkett Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.163.1 · Lodged 1 Sept 2026Reported estimated cost: $269,885
Under assessment

161 Middle Head Road Mosman 2088

Demolition · Residential flat building · Shop top housing · Subdivision · Alterations or additions to an existing building or structure · Erection of a new structure

8.2026.39.1 · Lodged 1 Sept 2026Reported estimated cost: $12,807,129
Under assessment

11 Curraghbeena Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.164.1 · Lodged 1 Sept 2026Reported estimated cost: $2,728,950
Determined

16 Illawarra Street Mosman 2088

Alterations or additions to an existing building or structure · Residential Accommodation

8.2003.75.4 · Lodged 31 Aug 2026Reported estimated cost: $26,455
Under assessment

1a Magic Grove Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.107.1 · Lodged 28 Aug 2026Reported estimated cost: $1,032,207
Under assessment

47 Spofforth Street Mosman 2088

Signage · Advertising and signage · Recreation area · Hours of operation and trading

8.2026.161.1 · Lodged 28 Aug 2026Reported estimated cost: $11,000
Under assessment

8 Rickard Avenue Mosman 2088

Demolition · Dwelling house · Erection of a new structure

8.2026.160.1 · Lodged 28 Aug 2026Reported estimated cost: $3,500,329
Under assessment

18 Esther Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.157.1 · Lodged 27 Aug 2026Reported estimated cost: $930,710
Determined

3 Elfrida Street Mosman 2088

Alterations or additions to an existing building or structure · Dwelling house

8.2026.3.4 · Lodged 27 Aug 2026Reported estimated cost: $195,360
Under assessment

39 Spencer Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure

8.2026.159.1 · Lodged 27 Aug 2026Reported estimated cost: $99,000
Determined

40 Stanley Avenue Mosman 2088

Demolition · Dwelling house · Erection of a new structure

8.2026.91.1 · Lodged 26 Aug 2026Reported estimated cost: $4,699,272
Under assessment

46 Royalist Road Mosman 2088

Alterations or additions to an existing building or structure · Earthworks, retaining walls and structural support · Fences · Swimming pool

8.2026.155.1 · Lodged 26 Aug 2026Reported estimated cost: $119,280
Under assessment

19 Clanalpine Street Mosman 2088

Demolition · Dwelling house · Erection of a new structure

8.2026.81.1 · Lodged 26 Aug 2026Reported estimated cost: $4,235,000
Under assessment

16 Gordon Street Mosman 2088

Alterations or additions to an existing building or structure · Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses

8.2026.42.2 · Lodged 24 Aug 2026
Under assessment

12 Keston Avenue Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.147.1 · Lodged 19 Aug 2026Reported estimated cost: $161,700
Under assessment

26 Middle Head Road Mosman 2088

Dwelling house · Alterations or additions to an existing building or structure · Residential Accommodation

8.2026.150.1 · Lodged 19 Aug 2026Reported estimated cost: $73,260

Recorded application locations, not surveyed site boundaries. Map shows applications listed on this page.

Suburbs in these records

Public NSW Planning Portal records. Council coverage, locations and update times vary. Determined does not necessarily mean approved. Data sources and limitations.