Development applications in Allambie Heights, NSW 2100
37 development applications were lodged for properties in Allambie Heights 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
37
incl. 10 modifications
Decided
24
9 still in progress
New dwellings proposed
11
stated on applications
Declared construction value
$12.9M
across 25 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.
- 3Oct
- 3Nov
- 8Dec
- 0Jan
- 2Feb
- 1Mar
- 3Apr
- 4May
- 5Jun
- 0Jul
- 4Aug
- 4Sep
What is being proposed
27 new applications by main type of work (modifications excluded).
- Alterations & additions16
- New houses4
- Pools, sheds, garages & decks2
- Subdivisions2
- Apartments & townhouses1
- Commercial, industrial & community1
- Dual occupancy & semi-detached1
Where applications stand
Status of the 37 applications lodged in the last 12 months.
- Approved
- 2
- Determined (outcome not stated)
- 22
- Refused
- 0
- Withdrawn or not accepted
- 4
- In progress
- 9
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
439 Condamine Street
Demolition, Multi-dwelling housing, Medium Density Housing, Erection of a new structure, Residential Accommodation
Apartments & townhouses · Lodged 23 Dec 2025 · 8 dwellings · $1M–$5M
- Determined
144 Allambie Road
Demolition, Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 20 May 2026 · 1 dwelling · $1M–$5M
- In progress
8 Monserra Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 8 Sept 2026 · 1 dwelling · $500K–$1M
- Determined
61 Kentwell Road
Demolition, Subdivision, Erection of a new structure, Dual occupancy (detached), Carport
Dual occupancy & semi-detached · Lodged 28 Apr 2026 · 1 dwelling · $500K–$1M
- Determined
15 Corkery Crescent
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 29 Dec 2025 · $1M–$5M
Most recent applications
The 30 most recent applications lodged in Allambie Heights, newest first. Costs are shown as bands.
- In progress
29 Canea Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 18 Sept 2026 · $100K–$500K · Modification
- In progress
8 Monserra Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 8 Sept 2026 · 1 dwelling · $500K–$1M
- In progress
7 Roosevelt Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 3 Sept 2026 · $500K–$1M · Modification
- Determined
25 Arnhem Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 1 Sept 2026 · $500K–$1M · Modification
- In progress
6 Jenna Close
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 31 Aug 2026 · $100K–$500K
- In progress
11 Moresby Place
Secondary dwelling, Dwelling house, Alterations or additions to an existing building or structure
Granny flats · Lodged 27 Aug 2026 · 2 dwellings · $100K–$500K · Modification
- Withdrawn
25 Arnhem Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 Aug 2026 · $500K–$1M · Modification
- In progress
20 Eerawy Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 Aug 2026 · $100K–$500K
- Determined
30 Kentwell Road
Demolition, Dwelling house, Subdivision, Alterations or additions to an existing building or structure, Driveways and hard stand spaces
Subdivisions · Lodged 30 June 2026 · $100K–$500K
- In progress
12 Churchill Crescent
Demolition, Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 22 June 2026 · Under $100K
- Determined
6 Palermo Place
Alterations or additions to an existing building or structure, Carport, Driveways and hard stand spaces
Alterations & additions · Lodged 15 June 2026 · $100K–$500K · Modification
- Determined
18 Cootamundra Drive
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 8 June 2026 · $500K–$1M · Modification
- In progress
54 Smith Avenue
Erection of a new structure, Driveways and hard stand spaces, Garage, carport or carparking space
Pools, sheds, garages & decks · Lodged 6 June 2026 · $100K–$500K
- Determined
431 Condamine Street
Demolition, Erection of a new structure, Fences
Pools, sheds, garages & decks · Lodged 28 May 2026 · $100K–$500K
- Determined
16 Buna Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 21 May 2026 · $100K–$500K
- Determined
144 Allambie Road
Demolition, Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 20 May 2026 · 1 dwelling · $1M–$5M
- Determined
57 Smith Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 4 May 2026 · $100K–$500K
- Determined
61 Kentwell Road
Demolition, Subdivision, Erection of a new structure, Dual occupancy (detached), Carport
Dual occupancy & semi-detached · Lodged 28 Apr 2026 · 1 dwelling · $500K–$1M
- Withdrawn
8 Monserra Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 20 Apr 2026 · 1 dwelling · $500K–$1M
- Determined
1 Nargong Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 13 Apr 2026 · $100K–$500K
- Determined
8 Smith Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 Mar 2026 · $100K–$500K · Modification
- Withdrawn
34 Roosevelt Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 25 Feb 2026 · Under $100K · Modification
- Determined
141 Allambie Road
Advertising and signage, Retail Premise
Commercial, industrial & community · Lodged 5 Feb 2026 · Under $100K
- Determined
15 Corkery Crescent
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 29 Dec 2025 · $1M–$5M
- Determined
439 Condamine Street
Demolition, Multi-dwelling housing, Medium Density Housing, Erection of a new structure, Residential Accommodation
Apartments & townhouses · Lodged 23 Dec 2025 · 8 dwellings · $1M–$5M
- Determined
1 Culbara Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 18 Dec 2025 · $100K–$500K
- Determined
2 Nargong Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 18 Dec 2025 · $100K–$500K
- Determined
13 Sanananda Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 Dec 2025 · $500K–$1M
- Withdrawn
1A Kentwell Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 4 Dec 2025 · $100K–$500K
- Determined
12 Libya Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 3 Dec 2025 · $100K–$500K
Application details as published by Northern Beaches Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Allambie Heights market data
Median prices, rental yield, growth, vacancy and properties for sale in Allambie Heights.
Sales
Recently sold in Allambie Heights
What buyers actually paid, days on market and recent sale prices in Allambie Heights.
Development in Allambie Heights: frequently asked questions
How many development applications were lodged in Allambie Heights in the last 12 months?
37 development applications were lodged for properties in Allambie Heights from Oct 2025 to Sep 2026. 10 were modifications to an earlier application. The busiest month was Dec 2025, with 8 applications.
What kind of development is happening in Allambie Heights?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (16), new houses (4), pools, sheds, garages & decks (2).
How many new homes are proposed in Allambie Heights?
Applications lodged in Allambie Heights in the last 12 months propose 11 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 Allambie Heights have been decided?
Of the 37 applications lodged in the last 12 months, 24 have a decision (2 recorded as approved, 22 recorded as determined without the outcome stated), 9 are still in progress and 4 were withdrawn or not accepted.
Which council assesses development applications in Allambie Heights?
Applications for Allambie Heights are lodged with Northern Beaches Council. Its public register is the authoritative record for any individual application.