Development applications in Collaroy Plateau, NSW 2097
32 development applications were lodged for properties in Collaroy 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
32
incl. 11 modifications
Decided
24
5 still in progress
New dwellings proposed
8
stated on applications
Declared construction value
$12.2M
across 17 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
- 4Nov
- 3Dec
- 1Jan
- 5Feb
- 2Mar
- 2Apr
- 2May
- 4Jun
- 1Jul
- 3Aug
- 3Sep
What is being proposed
21 new applications by main type of work (modifications excluded).
- Alterations & additions11
- New houses5
- Pools, sheds, garages & decks2
- Commercial, industrial & community1
- Dual occupancy & semi-detached1
- Granny flats1
Where applications stand
Status of the 32 applications lodged in the last 12 months.
- Approved
- 1
- Determined (outcome not stated)
- 23
- Refused
- 0
- Withdrawn or not accepted
- 3
- In progress
- 5
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.
- Determined
54 Stella Street
Dual occupancy, Demolition, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 4 Nov 2025 · 2 dwellings · $1M–$5M
- Determined
52 Edgecliffe Boulevard
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 26 Nov 2025 · 1 dwelling · $1M–$5M
- Determined
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 6 Mar 2026 · 1 dwelling · $1M–$5M
- In progress
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 6 Mar 2026 · 1 dwelling · $1M–$5M
- Determined
109 Parkes Road
Dwelling house, Erection of a new structure
New houses · Lodged 9 June 2026 · 1 dwelling · $500K–$1M
Most recent applications
The 30 most recent applications lodged in Collaroy Plateau, newest first. Costs are shown as bands.
- Withdrawn
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 18 Sept 2026 · 1 dwelling · $1M–$5M · Modification
- In progress
15 Stella Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 17 Sept 2026 · $500K–$1M
- In progress
132 Anzac Avenue
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 2 Sept 2026 · Under $100K
- Determined
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 27 Aug 2026 · 1 dwelling · $1M–$5M · Modification
- Determined
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 27 Aug 2026 · 1 dwelling · $1M–$5M · Modification
- In progress
8 Duncan Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 3 Aug 2026 · $500K–$1M
- Determined
17 Boomerang Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 24 July 2026 · $100K–$500K
- In progress
61 Parkes Road
Attached dwelling, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 29 June 2026 · $100K–$500K
- Determined
31 Aubreen Street
Dwelling house, Alterations or additions to an existing building or structure, Swimming pool
Alterations & additions · Lodged 16 June 2026 · $100K–$500K
- Determined
109 Parkes Road
Dwelling house, Erection of a new structure
New houses · Lodged 9 June 2026 · 1 dwelling · $500K–$1M
- Withdrawn
75 Edgecliffe Boulevard
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 June 2026 · $100K–$500K
- Determined
10 Duncan Crescent
Erection of a new structure, Residential Accommodation
Other & change of use · Lodged 13 May 2026 · $100K–$500K · Modification
- Determined
43 Idaline Street
Alterations or additions to an existing building or structure, Earthworks, retaining walls and structural support
Alterations & additions · Lodged 4 May 2026 · Under $100K · Modification
- Determined
93 Parkes Road
Dwelling house, Erection of a new structure
New houses · Lodged 13 Apr 2026 · 1 dwelling · $500K–$1M · Modification
- Determined
45 Parkes Road
Secondary dwelling, Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Granny flats · Lodged 8 Apr 2026 · 1 dwelling · $100K–$500K
- Determined
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 6 Mar 2026 · 1 dwelling · $1M–$5M
- In progress
132 Anzac Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 6 Mar 2026 · 1 dwelling · $1M–$5M
- Determined
47 Stella Street
Early Education and Care Facility, Hours of operation and trading, Supporting Development
Other & change of use · Lodged 18 Feb 2026 · Modification
- Determined
111 Anzac Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 17 Feb 2026 · $1M–$5M
- Determined
112 Claudare Street
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Minor building alterations…
Alterations & additions · Lodged 13 Feb 2026 · $100K–$500K · Modification
- Determined
10 Duncan Crescent
Erection of a new structure, Residential Accommodation
Other & change of use · Lodged 2 Feb 2026 · $100K–$500K · Modification
- Determined
10 Acacia Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 2 Feb 2026
- Determined
88 Claudare Street
Alterations or additions to an existing building or structure, Fences
Alterations & additions · Lodged 19 Jan 2026 · Under $100K
- Determined
84 Fuller Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 30 Dec 2025 · $100K–$500K
- Determined
96 Hilma Street
Dwelling house, Erection of a new structure
New houses · Lodged 10 Dec 2025 · 1 dwelling · $1M–$5M · Modification
- Withdrawn
47 Stella Street
Business premises, Change of use of land or a building or the classification of a building under the Building Code of Australia
Commercial, industrial & community · Lodged 4 Dec 2025
- Determined
52 Edgecliffe Boulevard
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 26 Nov 2025 · 1 dwelling · $1M–$5M
- Approved
78 Aubreen Street
Dwelling house, Change of use of land or a building or the classification of a building under the Building Code of Australia, Residential…
New houses · Lodged 12 Nov 2025 · 1 dwelling
- Determined
73 Stella Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 7 Nov 2025 · $500K–$1M
- Determined
54 Stella Street
Dual occupancy, Demolition, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 4 Nov 2025 · 2 dwellings · $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
Collaroy Plateau market data
Median prices, rental yield, growth, vacancy and properties for sale in Collaroy Plateau.
Sales
Recently sold in Collaroy Plateau
What buyers actually paid, days on market and recent sale prices in Collaroy Plateau.
Development in Collaroy Plateau: frequently asked questions
How many development applications were lodged in Collaroy Plateau in the last 12 months?
32 development applications were lodged for properties in Collaroy Plateau from Oct 2025 to Sep 2026. 11 were modifications to an earlier application. The busiest month was Feb 2026, with 5 applications.
What kind of development is happening in Collaroy Plateau?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (11), new houses (5), pools, sheds, garages & decks (2).
How many new homes are proposed in Collaroy Plateau?
Applications lodged in Collaroy Plateau in the last 12 months propose 8 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 Collaroy Plateau have been decided?
Of the 32 applications lodged in the last 12 months, 24 have a decision (1 recorded as approved, 23 recorded as determined without the outcome stated), 5 are still in progress and 3 were withdrawn or not accepted.
Which council assesses development applications in Collaroy Plateau?
Applications for Collaroy Plateau are lodged with Northern Beaches Council. Its public register is the authoritative record for any individual application.