Development applications in Bilgola Plateau, NSW 2107
31 development applications were lodged for properties in Bilgola Plateau from Oct 2025 to Sep 2026. What is being built, how much of it is housing, and where each application stands.
Latest council activity:
Applications lodged
31
incl. 11 modifications
Decided
24
6 still in progress
New dwellings proposed
5
stated on applications
Declared construction value
$9.6M
across 19 applications
Applications lodged each month
Oct 2025 to Sep 2026. The latest month is month-to-date, and councils can publish applications a few weeks after lodgement.
- 2Oct
- 5Nov
- 2Dec
- 0Jan
- 1Feb
- 1Mar
- 1Apr
- 2May
- 5Jun
- 8Jul
- 3Aug
- 1Sep
What is being proposed
20 new applications by main type of work (modifications excluded).
- Alterations & additions14
- New houses5
- Pools, sheds, garages & decks1
Where applications stand
Status of the 31 applications lodged in the last 12 months.
- Approved
- 1
- Determined (outcome not stated)
- 23
- Refused
- 0
- Withdrawn or not accepted
- 1
- In progress
- 6
Many council records only say an application was "determined", without saying whether it was approved, so those are shown separately rather than counted as approvals.
Largest projects in the last 12 months
Ranked by dwellings proposed, then declared construction cost.
- In progress
13 Bilberry Avenue
Dwelling house, Erection of a new structure
New houses · Lodged 13 July 2026 · 1 dwelling · $1M–$5M
- Determined
290 Lower Plateau Road
Dwelling house, Erection of a new structure
New houses · Lodged 27 Oct 2025 · 1 dwelling · $1M–$5M
- Determined
80 Plateau Road
Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 1 Dec 2025 · 1 dwelling · $1M–$5M
- Approved
3 Lisa Place
Dwelling house, Erection of a new structure
New houses · Lodged 13 Nov 2025 · 1 dwelling · $500K–$1M
- Determined
12 Kanimbla Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 15 Apr 2026 · 1 dwelling · Under $100K
Most recent applications
The 30 most recent applications lodged in Bilgola Plateau, newest first. Costs are shown as bands.
- In progress
18 Argyle Street
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Carport, Driveways and hard stand…
Alterations & additions · Lodged 15 Sept 2026 · $100K–$500K
- In progress
218 Lower Plateau Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 26 Aug 2026 · $1M–$5M
- Determined
290 Lower Plateau Road
Dwelling house, Erection of a new structure
New houses · Lodged 11 Aug 2026 · 1 dwelling · $1M–$5M · Modification
- Determined
131 Plateau Road
Alterations or additions to an existing building or structure, Earthworks, retaining walls and structural support, Garage, carport or…
Alterations & additions · Lodged 6 Aug 2026 · Under $100K
- Determined
12 Bilga Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 July 2026 · $500K–$1M · Modification
- In progress
10 The Circle
Dwelling house, Erection of a new structure
New houses · Lodged 23 July 2026 · 1 dwelling · $500K–$1M · Modification
- Determined
39 Bilwara Avenue
Alterations or additions to an existing building or structure, Minor building alterations (internal), Minor building alterations (external)
Alterations & additions · Lodged 23 July 2026 · $100K–$500K · Modification
- In progress
13 Bilberry Avenue
Dwelling house, Erection of a new structure
New houses · Lodged 13 July 2026 · 1 dwelling · $1M–$5M
- Withdrawn
310 Lower Plateau Road
Alterations or additions to an existing building or structure, Carport
Alterations & additions · Lodged 8 July 2026 · $100K–$500K
- Determined
154 Plateau Road
Alterations or additions to an existing building or structure, Driveways and hard stand spaces, Garage, carport or carparking space, Minor…
Alterations & additions · Lodged 6 July 2026 · $500K–$1M · Modification
- Determined
173 Plateau Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 6 July 2026 · Under $100K
- Determined
234 Lower Plateau Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 6 July 2026 · $100K–$500K
- In progress
39 Bilwara Avenue
Alterations or additions to an existing building or structure, Minor building alterations (internal), Minor building alterations (external)
Alterations & additions · Lodged 29 June 2026 · $100K–$500K · Modification
- Determined
42 Argyle Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 22 June 2026 · $100K–$500K
- Determined
9 Bilkurra Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 15 June 2026 · Modification
- In progress
173 Plateau Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 June 2026 · Under $100K
- Determined
1 Bilkurra Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 2 June 2026 · $100K–$500K
- Determined
2 Kemble Place
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 28 May 2026 · Under $100K
- Determined
24 Kanimbla Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 28 May 2026 · $100K–$500K
- Determined
12 Kanimbla Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 15 Apr 2026 · 1 dwelling · Under $100K
- Determined
33 Mariposa Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 25 Mar 2026 · $500K–$1M
- Determined
7 Hansford Parade
Dwelling house, Alterations or additions to an existing building or structure, Erection of a new structure
Alterations & additions · Lodged 27 Feb 2026 · $100K–$500K
- Determined
162 Plateau Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 9 Dec 2025 · $100K–$500K
- Determined
80 Plateau Road
Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 1 Dec 2025 · 1 dwelling · $1M–$5M
- Determined
15 Hansford Parade
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 Nov 2025 · $100K–$500K · Modification
- Determined
10 Mirrabooka Street
Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 20 Nov 2025 · Under $100K · Modification
- Approved
3 Lisa Place
Dwelling house, Erection of a new structure
New houses · Lodged 13 Nov 2025 · 1 dwelling · $500K–$1M
- Determined
87 The Outlook
Dwelling house, Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Pathways and…
Alterations & additions · Lodged 4 Nov 2025 · $500K–$1M · Modification
- Determined
6 5A Wollombi Road
Dwelling house, Erection of a new structure
New houses · Lodged 2 Nov 2025 · 1 dwelling · $1M–$5M · Modification
- Determined
290 Lower Plateau Road
Dwelling house, Erection of a new structure
New houses · Lodged 27 Oct 2025 · 1 dwelling · $1M–$5M
Application details as published by Northern Beaches Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Bilgola Plateau market data
Median prices, rental yield, growth, vacancy and properties for sale in Bilgola Plateau.
Sales
Recently sold in Bilgola Plateau
What buyers actually paid, days on market and recent sale prices in Bilgola Plateau.
Development in Bilgola Plateau: frequently asked questions
How many development applications were lodged in Bilgola Plateau in the last 12 months?
31 development applications were lodged for properties in Bilgola Plateau from Oct 2025 to Sep 2026. 11 were modifications to an earlier application. The busiest month was Jul 2026, with 8 applications.
What kind of development is happening in Bilgola Plateau?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (14), new houses (5), pools, sheds, garages & decks (1).
How many new homes are proposed in Bilgola Plateau?
Applications lodged in Bilgola Plateau in the last 12 months propose 5 new dwellings, counting new houses, granny flats, dual occupancies, townhouses and apartments where the application states a dwelling count. Withdrawn applications and modifications are excluded.
How many development applications in Bilgola Plateau have been decided?
Of the 31 applications lodged in the last 12 months, 24 have a decision (1 recorded as approved, 23 recorded as determined without the outcome stated), 6 are still in progress and 1 was withdrawn or not accepted.
Which council assesses development applications in Bilgola Plateau?
Applications for Bilgola Plateau are lodged with Northern Beaches Council. Its public register is the authoritative record for any individual application.