Development applications in Oatley, NSW 2223
60 development applications were lodged for properties in Oatley 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
60
incl. 19 modifications
Decided
41
11 still in progress
New dwellings proposed
20
stated on applications
Declared construction value
$32.1M
across 34 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.
- 5Oct
- 5Nov
- 4Dec
- 6Jan
- 4Feb
- 5Mar
- 3Apr
- 7May
- 5Jun
- 5Jul
- 8Aug
- 3Sep
What is being proposed
41 new applications by main type of work (modifications excluded).
- Alterations & additions11
- New houses11
- Dual occupancy & semi-detached8
- Subdivisions5
- Commercial, industrial & community2
- Pools, sheds, garages & decks2
- Granny flats1
- Other & change of use1
Where applications stand
Status of the 60 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 41
- Refused
- 0
- Withdrawn or not accepted
- 8
- In progress
- 11
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
124 Mi Mi Street
Dual occupancy, Demolition, Subdivision, Erection of a new structure, Dual occupancy (detached), Driveways and hard stand spaces, Garage…
Dual occupancy & semi-detached · Lodged 11 Sept 2026 · 2 dwellings · $1M–$5M
- In progress
93 Seaforth Avenue
Dual occupancy, Demolition, Erection of a new structure, Dual occupancy (detached)
Dual occupancy & semi-detached · Lodged 15 Sept 2026 · 2 dwellings · $1M–$5M
- Determined
24 Yarran Road
Dual occupancy, Demolition, Erection of a new structure, Dual occupancy (detached)
Dual occupancy & semi-detached · Lodged 24 Mar 2026 · 2 dwellings · $500K–$1M
- Determined
88 Rosa Street
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 4 May 2026 · 1 dwelling · $1M–$5M
- Determined
20 Llewellyn Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 11 May 2026 · 1 dwelling · $1M–$5M
Most recent applications
The 30 most recent applications lodged in Oatley, newest first. Costs are shown as bands.
- In progress
93 Seaforth Avenue
Dual occupancy, Demolition, Erection of a new structure, Dual occupancy (detached)
Dual occupancy & semi-detached · Lodged 15 Sept 2026 · 2 dwellings · $1M–$5M
- In progress
124 Mi Mi Street
Dual occupancy, Demolition, Subdivision, Erection of a new structure, Dual occupancy (detached), Driveways and hard stand spaces, Garage…
Dual occupancy & semi-detached · Lodged 11 Sept 2026 · 2 dwellings · $1M–$5M
- In progress
36 Asquith Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 Sept 2026 · $500K–$1M · Modification
- Determined
83 Yarran Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 29 Aug 2026 · $100K–$500K · Modification
- In progress
66 Lansdowne Parade
Alterations or additions to an existing building or structure, Earthworks, retaining walls and structural support, Swimming pool
Alterations & additions · Lodged 28 Aug 2026 · Under $100K
- In progress
124 Mi Mi Street
Dual occupancy, Demolition, Subdivision, Erection of a new structure, Dual occupancy (detached), Driveways and hard stand spaces, Garage…
Dual occupancy & semi-detached · Lodged 27 Aug 2026 · 2 dwellings · $1M–$5M
- Determined
140 Hurstville Road
Dwelling house, Erection of a new structure
New houses · Lodged 26 Aug 2026 · 1 dwelling · $100K–$500K · Modification
- In progress
99 Gungah Bay Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 15 Aug 2026 · $100K–$500K
- In progress
38 Mulga Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 13 Aug 2026 · $100K–$500K
- Determined
23A Kitchener Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 6 Aug 2026 · Under $100K
- In progress
33 Mi Mi Street
Subdivision
Subdivisions · Lodged 4 Aug 2026 · Under $100K
- Determined
15 Kitchener Street
Subdivision
Subdivisions · Lodged 21 July 2026 · Under $100K
- In progress
15 Kitchener Street
Subdivision
Subdivisions · Lodged 13 July 2026 · Under $100K
- In progress
113 Letitia Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 10 July 2026 · $100K–$500K
- Determined
75 Yarran Road
Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 7 July 2026 · 1 dwelling · $1M–$5M · Modification
- Determined
32 Ada Street
Erection of a new structure, Earthworks, retaining walls and structural support, Fences, Landscaping structures
Pools, sheds, garages & decks · Lodged 1 July 2026 · Under $100K
- In progress
75 Yarran Road
Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 29 June 2026 · 1 dwelling · $1M–$5M · Modification
- Withdrawn
25 Wyong Street
Demolition, Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah (screened enclosures)…
Alterations & additions · Lodged 22 June 2026 · $100K–$500K
- Withdrawn
62 Mulga Road
Demolition, Subdivision, Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 17 June 2026 · 2 dwellings · $1M–$5M
- Determined
32 Mulga Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 7 June 2026 · 1 dwelling · $1M–$5M
- Determined
2A Mountbatten Street
Subdivision
Subdivisions · Lodged 5 June 2026 · Under $100K
- Determined
126 Myall Street
Alterations or additions to an existing building or structure, Swimming pool
Alterations & additions · Lodged 29 May 2026 · $100K–$500K
- Determined
66 Lansdowne Parade
Erection of a new structure, Jetty
Commercial, industrial & community · Lodged 22 May 2026 · Under $100K
- Determined
2L Algernon Street
Dwelling house, Erection of a new structure
New houses · Lodged 15 May 2026 · 1 dwelling · $1M–$5M · Modification
- Determined
47 Wyong Street
Subdivision
Subdivisions · Lodged 13 May 2026
- Determined
20 Llewellyn Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 11 May 2026 · 1 dwelling · $1M–$5M
- Determined
30 Annette Street
Alterations or additions to an existing building or structure, Dual occupancy (detached)
Dual occupancy & semi-detached · Lodged 8 May 2026 · 1 dwelling · $1M–$5M
- Determined
88 Rosa Street
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
New houses · Lodged 4 May 2026 · 1 dwelling · $1M–$5M
- Withdrawn
151 Hurstville Road
Home business, Change of use of land or a building or the classification of a building under the Building Code of Australia
Other & change of use · Lodged 9 Apr 2026 · Under $100K
- Determined
27 Baker Street
Dwelling house, Erection of a new structure
New houses · Lodged 9 Apr 2026 · 1 dwelling · $100K–$500K · Modification
Application details as published by Georges River Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Oatley market data
Median prices, rental yield, growth, vacancy and properties for sale in Oatley.
Sales
Recently sold in Oatley
What buyers actually paid, days on market and recent sale prices in Oatley.
Development in Oatley: frequently asked questions
How many development applications were lodged in Oatley in the last 12 months?
60 development applications were lodged for properties in Oatley from Oct 2025 to Sep 2026. 19 were modifications to an earlier application. The busiest month was Aug 2026, with 8 applications.
What kind of development is happening in Oatley?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (11), new houses (11), dual occupancy & semi-detached (8).
How many new homes are proposed in Oatley?
Applications lodged in Oatley in the last 12 months propose 20 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 Oatley have been decided?
Of the 60 applications lodged in the last 12 months, 41 have a decision (41 recorded as determined without the outcome stated), 11 are still in progress and 8 were withdrawn or not accepted.
Which council assesses development applications in Oatley?
Applications for Oatley are lodged with Georges River Council. Its public register is the authoritative record for any individual application.