Development applications in Illawong, NSW 2234
26 development applications were lodged for properties in Illawong 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
26
incl. 5 modifications
Decided
16
8 still in progress
New dwellings proposed
5
stated on applications
Declared construction value
$13.8M
across 20 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.
- 0Oct
- 2Nov
- 5Dec
- 2Jan
- 1Feb
- 1Mar
- 3Apr
- 2May
- 3Jun
- 1Jul
- 3Aug
- 3Sep
What is being proposed
21 new applications by main type of work (modifications excluded).
- Alterations & additions10
- New houses6
- Pools, sheds, garages & decks4
- Commercial, industrial & community1
Where applications stand
Status of the 26 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 16
- Refused
- 0
- Withdrawn or not accepted
- 2
- In progress
- 8
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
121 Fowler Road
Dwelling house, Erection of a new structure
New houses · Lodged 4 Dec 2025 · 1 dwelling · $1M–$5M
- In progress
1 Spencer Place
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 15 May 2026 · 1 dwelling · $1M–$5M
- Determined
131 Fowler Road
Dwelling house, Erection of a new structure
New houses · Lodged 10 Jan 2026 · 1 dwelling · $1M–$5M
- In progress
50 Hobart Place
Dwelling house, Erection of a new structure, Balcony, deck, patio, terrace or verandah, Driveways and hard stand spaces, Earthworks…
New houses · Lodged 13 Sept 2026 · 1 dwelling · $1M–$5M
- Determined
59 Old Ferry Road
Dwelling house, Erection of a new structure
New houses · Lodged 29 June 2026 · 1 dwelling · $100K–$500K
Most recent applications
The 30 most recent applications lodged in Illawong, newest first. Costs are shown as bands.
- In progress
79 Sylvan Ridge Drive
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 14 Sept 2026 · $500K–$1M · Modification
- In progress
50 Hobart Place
Dwelling house, Erection of a new structure, Balcony, deck, patio, terrace or verandah, Driveways and hard stand spaces, Earthworks…
New houses · Lodged 13 Sept 2026 · 1 dwelling · $1M–$5M
- In progress
25 Kinsella Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 2 Sept 2026 · $500K–$1M
- In progress
131 Fowler Road
Dwelling house, Erection of a new structure
New houses · Lodged 24 Aug 2026 · 1 dwelling · $1M–$5M · Modification
- Withdrawn
79 Sylvan Ridge Drive
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 17 Aug 2026 · $500K–$1M · Modification
- In progress
6 Tabard Place
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 3 Aug 2026 · $100K–$500K
- Determined
17 Stuart Close
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 7 July 2026 · Under $100K
- Determined
59 Old Ferry Road
Dwelling house, Erection of a new structure
New houses · Lodged 29 June 2026 · 1 dwelling · $100K–$500K
- In progress
32 Mariner Road
Demolition, Alterations or additions to an existing building or structure, Erection of a new structure, Balcony, deck, patio, terrace or…
Alterations & additions · Lodged 5 June 2026 · $100K–$500K
- In progress
17 Stuart Close
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 2 June 2026 · Under $100K
- In progress
1 Spencer Place
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 15 May 2026 · 1 dwelling · $1M–$5M
- Determined
6 Peru Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 8 May 2026 · $100K–$500K
- Determined
82-84 Fowler Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 21 Apr 2026 · $1M–$5M
- Determined
8 Prior Close
Erection of a new structure, Balcony, deck, patio, terrace or verandah
Pools, sheds, garages & decks · Lodged 9 Apr 2026 · Under $100K
- Determined
64 Osprey Drive
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 7 Apr 2026 · $500K–$1M
- Determined
215 Fowler Road
Alterations or additions to an existing building or structure, Landscaping structures, Swimming pool
Alterations & additions · Lodged 12 Mar 2026 · $100K–$500K
- Determined
41 Mariner Road
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 2 Feb 2026 · $100K–$500K · Modification
- Withdrawn
8 Prior Close
Erection of a new structure, Balcony, deck, patio, terrace or verandah
Pools, sheds, garages & decks · Lodged 27 Jan 2026 · Under $100K
- Determined
131 Fowler Road
Dwelling house, Erection of a new structure
New houses · Lodged 10 Jan 2026 · 1 dwelling · $1M–$5M
- Determined
79 Sylvan Ridge Drive
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 9 Dec 2025 · $500K–$1M
- Determined
71 Bignell Street
Alterations or additions to an existing building or structure, Earthworks, retaining walls and structural support, Swimming pool
Alterations & additions · Lodged 9 Dec 2025 · Under $100K
- Determined
169 Fowler Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 Dec 2025 · $500K–$1M
- Determined
16 Austin Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 Dec 2025 · $100K–$500K
- Determined
121 Fowler Road
Dwelling house, Erection of a new structure
New houses · Lodged 4 Dec 2025 · 1 dwelling · $1M–$5M
- Determined
130-132 Fowler Road
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 19 Nov 2025 · Modification
- Determined
129 Fowler Road
Erection of a new structure, Jetty
Commercial, industrial & community · Lodged 6 Nov 2025 · Under $100K
- Determined
9 Ocean Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 25 Sept 2025 · $100K–$500K
- Determined
7 Bond Place
Alterations or additions to an existing building or structure, Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses…
Alterations & additions · Lodged 15 Sept 2025 · $100K–$500K
- Determined
62 Fowler Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 1 Sept 2025 · 1 dwelling · $1M–$5M
- Determined
119 Fowler Road
Secondary dwelling, Erection of a new structure
Granny flats · Lodged 14 Aug 2025 · 1 dwelling · $100K–$500K
Application details as published by Sutherland Shire Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Illawong market data
Median prices, rental yield, growth, vacancy and properties for sale in Illawong.
Sales
Recently sold in Illawong
What buyers actually paid, days on market and recent sale prices in Illawong.
Development in Illawong: frequently asked questions
How many development applications were lodged in Illawong in the last 12 months?
26 development applications were lodged for properties in Illawong from Oct 2025 to Sep 2026. 5 were modifications to an earlier application. The busiest month was Dec 2025, with 5 applications.
What kind of development is happening in Illawong?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (10), new houses (6), pools, sheds, garages & decks (4).
How many new homes are proposed in Illawong?
Applications lodged in Illawong 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 Illawong have been decided?
Of the 26 applications lodged in the last 12 months, 16 have a decision (16 recorded as determined without the outcome stated), 8 are still in progress and 2 were withdrawn or not accepted.
Which council assesses development applications in Illawong?
Applications for Illawong are lodged with Sutherland Shire Council. Its public register is the authoritative record for any individual application.