Development applications in Killarney Heights, NSW 2087
19 development applications were lodged for properties in Killarney 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
19
incl. 3 modifications
Decided
16
3 still in progress
New dwellings proposed
5
stated on applications
Declared construction value
$7.3M
across 16 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.
- 4Oct
- 1Nov
- 1Dec
- 1Jan
- 0Feb
- 3Mar
- 3Apr
- 1May
- 0Jun
- 2Jul
- 1Aug
- 2Sep
What is being proposed
16 new applications by main type of work (modifications excluded).
- Alterations & additions7
- New houses5
- Commercial, industrial & community2
- Pools, sheds, garages & decks2
Where applications stand
Status of the 19 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 16
- Refused
- 0
- Withdrawn or not accepted
- 0
- In progress
- 3
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
4 Athlone Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 8 Sept 2026 · 1 dwelling · $1M–$5M
- In progress
59 Roscommon Crescent
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 16 Jan 2026 · 1 dwelling · $1M–$5M
- Determined
18 Finian Avenue
Demolition, Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 25 Mar 2026 · 1 dwelling · $1M–$5M
- Determined
102 Starkey Street
Dwelling house, Erection of a new structure
New houses · Lodged 24 Apr 2026 · 1 dwelling · $500K–$1M
- Determined
4 Athlone Crescent
Demolition, Dwelling house
New houses · Lodged 17 Apr 2026 · 1 dwelling · Under $100K
Most recent applications
The 30 most recent applications lodged in Killarney Heights, newest first. Costs are shown as bands.
- In progress
4 Athlone Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 8 Sept 2026 · 1 dwelling · $1M–$5M
- Determined
7 Cashel Crescent
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah
Alterations & additions · Lodged 4 Sept 2026 · Modification
- In progress
20 Donegal Road
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah
Alterations & additions · Lodged 12 Aug 2026 · Under $100K
- Determined
39 Tramore Place
Alterations or additions to an existing building or structure, Take away food and drink
Commercial, industrial & community · Lodged 14 July 2026 · $100K–$500K
- Determined
7 Cashel Crescent
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah
Alterations & additions · Lodged 9 July 2026 · Under $100K
- Determined
8 Hyde Avenue
Alterations or additions to an existing building or structure, Carport, Residential Accommodation
Alterations & additions · Lodged 5 May 2026 · Under $100K
- Determined
102 Starkey Street
Dwelling house, Erection of a new structure
New houses · Lodged 24 Apr 2026 · 1 dwelling · $500K–$1M
- Determined
4 Athlone Crescent
Demolition, Dwelling house
New houses · Lodged 17 Apr 2026 · 1 dwelling · Under $100K
- Determined
8 Westmeath Avenue
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 1 Apr 2026 · $100K–$500K
- Determined
18 Finian Avenue
Demolition, Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 25 Mar 2026 · 1 dwelling · $1M–$5M
- Determined
26 Cashel Crescent
Alterations or additions to an existing building or structure, Minor building alterations (external)
Alterations & additions · Lodged 23 Mar 2026 · Under $100K
- Determined
29 Roscommon Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 16 Mar 2026 · $100K–$500K
- In progress
59 Roscommon Crescent
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 16 Jan 2026 · 1 dwelling · $1M–$5M
- Determined
139 Starkey Street
Medical centre, Change of use of land or a building or the classification of a building under the Building Code of Australia
Commercial, industrial & community · Lodged 10 Dec 2025 · $100K–$500K
- Determined
11 Wilde Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 14 Nov 2025 · $500K–$1M
- Determined
27 Donegal Road
Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 30 Oct 2025 · 1 dwelling · Modification
- Determined
60 Ballyshannon Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 Oct 2025 · $100K–$500K
- Determined
8 Dublin Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 17 Oct 2025 · Modification
- Determined
12 Rathowen Parade
Erection of a new structure, Carport
Pools, sheds, garages & decks · Lodged 14 Oct 2025 · Under $100K
- Determined
32 Cashel Crescent
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 22 Sept 2025 · Under $100K
- Determined
95 Ballyshannon Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 15 Sept 2025 · Under $100K
- Determined
2 Emmett Place
Subdivision, Change of use of land or a building or the classification of a building under the Building Code of Australia, Dual occupancy…
Dual occupancy & semi-detached · Lodged 5 Sept 2025 · 2 dwellings
- Determined
7 Downpatrick Road
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 28 Aug 2025 · $100K–$500K
- Determined
37 Lanford Avenue
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 17 June 2025 · $500K–$1M
- Determined
32 Londonderry Drive
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 11 June 2025 · 1 dwelling · $1M–$5M · Modification
- Determined
87 Starkey Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 4 June 2025 · Under $100K
- Determined
142 Melwood Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 May 2025 · $100K–$500K · Modification
- Determined
133 Starkey Street
Temporary building, structure or use, Garage, carport or carparking space
Pools, sheds, garages & decks · Lodged 23 May 2025 · Modification
- Determined
16 Yeats Avenue
Dwelling house, Erection of a new structure
New houses · Lodged 2 May 2025 · 1 dwelling · $500K–$1M · Modification
- Withdrawn
87 Starkey Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 28 Mar 2025 · Under $100K · Modification
Application details as published by Northern Beaches Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Killarney Heights market data
Median prices, rental yield, growth, vacancy and properties for sale in Killarney Heights.
Sales
Recently sold in Killarney Heights
What buyers actually paid, days on market and recent sale prices in Killarney Heights.
Development in Killarney Heights: frequently asked questions
How many development applications were lodged in Killarney Heights in the last 12 months?
19 development applications were lodged for properties in Killarney Heights from Oct 2025 to Sep 2026. 3 were modifications to an earlier application. The busiest month was Oct 2025, with 4 applications.
What kind of development is happening in Killarney Heights?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (7), new houses (5), commercial, industrial & community (2).
How many new homes are proposed in Killarney Heights?
Applications lodged in Killarney Heights 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 Killarney Heights have been decided?
Of the 19 applications lodged in the last 12 months, 16 have a decision (16 recorded as determined without the outcome stated), 3 are still in progress and 0 were withdrawn or not accepted.
Which council assesses development applications in Killarney Heights?
Applications for Killarney Heights are lodged with Northern Beaches Council. Its public register is the authoritative record for any individual application.