Manly Observer provides a weekly summary of development applications lodged with Northern Beaches Council in the last week.
While every effort has been made to accurately represent the development applications, we recommend clicking the link (the DA number in the heading) which will take you to the relevant council page with detailed information.
Where exhibition periods have not yet been determined at the time of publication, Council is still gathering the required documention needed before notifying relevant parties. Once the exhibition period opens, there will be a link on the DA page for submissions – please refrain from submitting prior to this link becoming available.
A
27 Ruskin Rowe, Avalon Beach – DA2025/1741
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $968,000
Alterations and additions to an existing outbuilding and use as a studio and garage.
B
40 Boyle Street, Balgowlah – DA2025/1749
Exhibition Period: Not yet determined at time of publication
Cost of Work: $551,980
Alterations and additions to a house.
60 Bungaloe Avenue, Balgowlah – DA2025/1748
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $430,278
Alterations and additions to a house.
286 Sydney Road, Balgowlah – DA2025/1737
Exhibition Period: Not yet determined at time of publication
Cost of Work: $16,000
Subdivision of one lot into two.
101 West Street, Balgowlah – DA2025/1725
Exhibition Period: 04/12/2025 to 18/12/2025
Cost of Work: $156,750
Alterations and additions to a house.
21A Valley Road, Balgowlah Heights – DA2025/1724
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $48,737
Alterations and additions to a house.
38 Knightsbridge Avenue, Belrose – DA2025/1718
Exhibition Period: 02/12/2025 to 16/12/2025
Cost of Work: $1,453,340
Demolition works, construction of a dual occupancy and strata subdivision.
120 Old Pittwater Road, Brookvale – DA2025/1711
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $13,783,620
A $13.7 million development application has been lodged to subdivide a large commercial property at 120 Old Pittwater Road, Brookvale, into three separate lots, with the proposal including significant earthworks, tree removal and site clearing works currently under assessment by Northern Beaches Council until mid-January.
The 21,768m2 site area is proposed to be subdivided into three lots (A, B and C), clearing 142 trees and three tree groups.
It also includes a proposed storage warehouse and offices for the rear lot (Lot C), with an indication that future building works for lots A and B, will be submitted as a separate application.
C
12 Sandy Bay Road, Clontarf – DA2025/1759
Exhibition Period: 09/12/2025 to 20/01/2026
Cost of Work: $5,145,800
Demolition works and construction of a house, including a swimming pool.
52 Edgecliffe Boulevarde, Collaroy Plateau – DA2025/1729
Exhibition Period: 04/12/2025 to 18/12/2025
Cost of Work: $2,180,000
Demolition works and construction of a house, including a swimming pool.
F
75 & 77 Lauderdale Avenue, Fairlight – DA2025/1721
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $5,720,000
Construction of two dual occupancies on each lot with boundary adjustment and strata subdivision.
The properties are within the Manly Town Centre under the LMR Housing Policy and have heights up to 9.5 metres.
Each home will have a basement-level car park area and two levels above ground.
23 Bentley Avenue, Forestville – DA2025/1734
Exhibition Period: 04/12/2025 to 18/12/2025
Cost of Work: $20,042
Construction of a swimming pool.
2719/0 Cook Street, Forestville – DA2025/1735
Exhibition Period: Not yet determined at time of publication
Cost of Work: $1,850,081
Proposed replacement of roof tiles with metal sheeting to existing buildings at the Uniting Tredinnick Forestville retirement village.
9 Valley Road, Forestville – DA2025/1728
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $546,000
Alterations and additions to a house.
M
29 Eurobin Avenue, Manly – DA2025/1751
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $647,900
Alterations and additions to a house.
29 Pacific Street, Manly – DA2025/1744
Exhibition Period: 04/12/2025 to 18/12/2025
Cost of Work: $225,465
Demolition of existing garage and construction of a double garage with an attic above.
1/333 Condamine Street, Manly Vale – DA2025/1702
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $0
Use of premises as a home-based food business.
6 Dygal Street, Mona Vale – DA2025/1726
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $2,898,500
The site is within the Mona Vale town centre LMR Housing Policy. This DA seeks consent for the demolition of the existing single-storey dwelling and secondary dwelling, and the construction of two new two-storey dual occupancies. The site and zoning allows for a maximum height of 9.5 metres, however, the building will be 9 metres in height.
18 Rednal Street, Mona Vale – DA2025/1756
Exhibition Period: 05/12/2025 to 23/01/2026
Cost of Work: $116,886
Alterations and additions to a water recreation structure (slipway).
N
32 Headland Road, North Curl Curl – DA2025/1738
Exhibition Period: 04/12/2025 to 18/12/2025
Cost of Work: $2,154,230
Demolition works, and construction of a house.
181 Headland Road, North Curl Curl – DA2025/1745
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $198,000
Alterations and additions to a house, including a lift.
P
50 Bynya Road, Palm Beach – DA2025/1736
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $2,082,300
Demolition works and construction of a house, including a swimming pool.
Q
4/42 Queenscliff Road, Queenscliff – DA2025/1747
Exhibition Period: Not yet determined at time of publication
Cost of Work: $9,900
Strata subdivision.
S
2 Baringa Avenue, Seaforth – DA2025/1733
Exhibition Period: 05/12/2025 to 19/12/2025
Cost of Work: $713,443
Alterations and additions to a house, including a swimming pool and a carport.
T
21 Booralie Road, Terrey Hills – DA2025/1723
Exhibition Period: 03/12/2025 to 17/12/2025
Cost of Work: $277,750
Alterations and additions to a house.
W
16 Beauty Drive, Whale Beach – DA2025/1715
Exhibition Period: 02/12/2025 to 16/12/2025
Cost of Work: $5,348,018
Demolition works and construction of a house, including a swimming pool.
Catch up on the recent development news:
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