Manly Observer provides a weekly summary of development applications lodged with Northern Beaches Council in the last week in alphabetical suburb order.
B
61 Bungaloe Avenue, Balgowlah – DA2026/0833
Exhibition Period: 17/07/2026 to 31/07/2026
Cost of Work: $ 300,000
Alterations and additions to a house, including a swimming pool.
310 Lower Plateau Road, Bilgola Plateau – DA2026/0888
Exhibition Period: Not yet determined at time of publication
Cost of Work: $330,000
Alterations and additions to a house, including a carport.
173 Plateau Road, Bilgola Plateau – DA2026/0878
Exhibition Period: 17/07/2026 to 31/07/2026
Cost of Work: $60,000
Alterations and additions to a house, including the construction of an elevated timber walkway.
C
47A Alexander Street, Collaroy – DA2026/0872
Exhibition Period: Not yet determined at time of publication
Cost of Work: $49,606
Alterations and additions to a house.
37 Toronto Avenue, Cromer – DA2026/0909
Exhibition Period: Not yet determined at time of publication
Cost of Work: $1,188,000
Alterations and additions to a house, including a swimming pool, carport and driveway.
50 Adams Street, Curl Curl – DA2026/0894
Exhibition Period: 21/07/2026 to 04/08/2026
Cost of Work: $1,650,000
Demolition works and the construction of a house.
D
10/90 Howard Avenue, Dee Why – DA2026/0887
Exhibition Period: Not yet determined at time of publication
Cost of Work: $154,866
Alterations and additions to a single unit within a residential flat building.
F
11 Wareham Crescent, Frenchs Forest – DA2026/0892
Exhibition Period: 17/07/2026 to 31/07/2026
Cost of Work: $275,000
Alterations and additions to a house.
679 & 681 Warringah Road, Forestville – DA2026/0870
Exhibition Period: 17/07/2026 to 31/07/2026
Cost of Work: $19,277,467
The proposal seeks approval for the construction of a three-storey residential flat development with 30 apartments (one one-bedroom unit, 11 two-bedroom units and 18 three-bedroom units) across two buildings, over one level of basement car parking with 42 car spaces.
The site is within 800m walking distance of the State-identified Forestville town centre under the Low to Mid Rise Housing Policy.
While the site is zoned R2 Low Density, allowing for a maximum building height of 9.5m, with the inclusion of affordable housing within the development, an additional 30 per cent height is allowed, taking the maximum to 12.35m. The development falls within this at 11.8m.
There will be six affordable housing apartments which will be managed for 15 years by Bridge Housing.
K
7 Cashel Crescent, Killarney Heights – DA2026/0900
Exhibition Period: 21/07/2026 to 04/08/2026
Cost of Work: $54,890
Alterations and additions to a house, including the construction of a deck.
M
1-8/11 Osborne Road, Manly – DA2026/0874
Exhibition Period: Not yet determined at time of publication
Cost of Work: $0
Strata subdivision.
40 Emma Street, Mona Vale – DA2026/0898
Exhibition Period: Not yet determined at time of publication
Cost of Work: $5,500
Strata subdivision.
4 Halesmith Road, Mona Vale – DA2026/0911
Exhibition Period: Not yet determined at time of publication
Cost of Work: $76,230
Demolition works and Torrens Title subdivision of one lot into two.
N
141A Fuller Street, Narrabeen – DA2026/0899
Exhibition Period: Not yet determined at time of publication
Cost of Work: $63,745
Alterations and additions to a house.
6 Nullaburra Road, Newport – DA2026/0861
Exhibition Period: Not yet determined at time of publication
Cost of Work: $229,554
Construction of a secondary dwelling.
52 Amourin Street, North Manly – DA2026/0881
Exhibition Period: 17/07/2026 to 31/07/2026
Cost of Work: $1,138,500
Demolition works and construction of a house, including a swimming pool.
S
7 Clavering Road, Seaforth – DA2026/0902
Exhibition Period: Not yet determined at time of publication
Cost of Work: $2,898,500
Construction of a house, including a swimming pool.
5 Princes Promenade, Seaforth – DA2026/0914
Exhibition Period: Not yet determined at time of publication
Cost of Work: $1,303,500
Alterations and additions to a house, including a spa and outbuilding.
W
106 Warriewood Road, Warriewood – DA2026/0866
Exhibition Period: 15/07/2026 to 29/07/2026
Cost of Work: $85,000
Construction of a swimming pool and associated works.
Catch up on development news on the Beaches:
Stateoverrules Council: gives Ingleside development green(ish) light
