Development applications in Mortdale, NSW 2223
31 development applications were lodged for properties in Mortdale 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
31
incl. 10 modifications
Decided
17
10 still in progress
New dwellings proposed
156
stated on applications
Declared construction value
$12.3M
across 18 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
- 2Nov
- 0Dec
- 2Jan
- 3Feb
- 3Mar
- 1Apr
- 1May
- 5Jun
- 5Jul
- 4Aug
- 3Sep
What is being proposed
21 new applications by main type of work (modifications excluded).
- Dual occupancy & semi-detached7
- Alterations & additions4
- Demolition only3
- New houses3
- Apartments & townhouses1
- Granny flats1
- Other & change of use1
- Pools, sheds, garages & decks1
Where applications stand
Status of the 31 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 17
- Refused
- 0
- Withdrawn or not accepted
- 4
- In progress
- 10
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
31-45 Jersey Avenue
Seniors housing, Residential care facility, Hours of operation and trading
Apartments & townhouses · Lodged 12 May 2026 · 140 dwellings · Under $100K
- In progress
27 Balmoral Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 22 Aug 2026 · 2 dwellings · $1M–$5M
- Determined
40 Coleborne Avenue
Demolition, Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 11 June 2026 · 2 dwellings · $1M–$5M
- Determined
25 Princes Street
Secondary dwelling, Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 15 Nov 2025 · 2 dwellings · $1M–$5M
- Determined
25A Newman Street
Dual occupancy, Demolition, Dwelling house, Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 15 June 2026 · 2 dwellings · $1M–$5M
Most recent applications
The 30 most recent applications lodged in Mortdale, newest first. Costs are shown as bands.
- In progress
56 Broughton Street
Demolition, Erection of a new structure, Residential Accommodation
Demolition only · Lodged 17 Sept 2026 · $1M–$5M
- In progress
23 George Street
Secondary dwelling, Alterations or additions to an existing building or structure, Change of use of land or a building or the…
Granny flats · Lodged 13 Sept 2026 · 1 dwelling · $100K–$500K
- In progress
42A St Catherine Street
Shed, Erection of a new structure
Pools, sheds, garages & decks · Lodged 8 Sept 2026 · Under $100K
- In progress
56 Broughton Street
Demolition, Erection of a new structure, Residential Accommodation
Demolition only · Lodged 28 Aug 2026 · $1M–$5M
- In progress
4 4-6 Jersey Avenue
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 24 Aug 2026 · Under $100K
- In progress
27 Balmoral Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 22 Aug 2026 · 2 dwellings · $1M–$5M
- In progress
5 Baringa Road
Alterations or additions to an existing building or structure, Driveways and hard stand spaces, Earthworks, retaining walls and structural…
Alterations & additions · Lodged 5 Aug 2026 · $100K–$500K
- In progress
22A Cook Lane
Warehouse or distribution centre, Alterations or additions to an existing building or structure
Commercial, industrial & community · Lodged 28 July 2026 · Under $100K · Modification
- Determined
5A Kemp Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 15 July 2026 · 1 dwelling · $500K–$1M · Modification
- Determined
1 7 Mutual Road
Demolition
Demolition only · Lodged 11 July 2026 · Under $100K
- Determined
25 Princes Street
Secondary dwelling, Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 9 July 2026 · 2 dwellings · $1M–$5M · Modification
- Determined
37 Mutual Road
Subdivision, Erection of a new structure, Dual occupancy (detached), Garage, carport or carparking space, Minor building alterations…
Dual occupancy & semi-detached · Lodged 7 July 2026 · 2 dwellings · $500K–$1M
- In progress
37 Mutual Road
Subdivision, Erection of a new structure, Dual occupancy (detached), Garage, carport or carparking space, Minor building alterations…
Dual occupancy & semi-detached · Lodged 28 June 2026 · 2 dwellings · $500K–$1M
- In progress
5A Kemp Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 23 June 2026 · 1 dwelling · $500K–$1M · Modification
- Determined
86 Roberts Avenue
Demolition, Alterations or additions to an existing building or structure, Registered club
Commercial, industrial & community · Lodged 17 June 2026 · $500K–$1M · Modification
- Determined
25A Newman Street
Dual occupancy, Demolition, Dwelling house, Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 15 June 2026 · 2 dwellings · $1M–$5M
- Determined
40 Coleborne Avenue
Demolition, Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 11 June 2026 · 2 dwellings · $1M–$5M
- Determined
31-45 Jersey Avenue
Seniors housing, Residential care facility, Hours of operation and trading
Apartments & townhouses · Lodged 12 May 2026 · 140 dwellings · Under $100K
- Withdrawn
23 Balmoral Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 12 Apr 2026 · $500K–$1M
- Determined
2 Blackshaw Avenue
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Minor building alterations…
Alterations & additions · Lodged 31 Mar 2026 · $100K–$500K
- Determined
84D Roberts Avenue
Change of use of land or a building or the classification of a building under the Building Code of Australia, Light industry
Commercial, industrial & community · Lodged 26 Mar 2026 · $100K–$500K · Modification
- Determined
84D Roberts Avenue
Ancillary commercial development, Hours of operation and trading
Commercial, industrial & community · Lodged 20 Mar 2026 · Modification
- Determined
22 Morts Road
Alterations or additions to an existing building or structure, Fences
Alterations & additions · Lodged 26 Feb 2026 · $100K–$500K
- Determined
83 Judd Street
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 23 Feb 2026 · $100K–$500K · Modification
- Determined
48 Universal Street
Dwelling house, Erection of a new structure, Semi-detached dwelling, Garage, carport or carparking space, Residential Accommodation
Dual occupancy & semi-detached · Lodged 18 Feb 2026 · 2 dwellings · $500K–$1M
- Withdrawn
48 Universal Street
Dwelling house, Erection of a new structure, Semi-detached dwelling, Garage, carport or carparking space, Residential Accommodation
Dual occupancy & semi-detached · Lodged 20 Jan 2026 · 2 dwellings · $500K–$1M
- Determined
86 Roberts Avenue
Demolition, Alterations or additions to an existing building or structure, Registered club
Commercial, industrial & community · Lodged 14 Jan 2026 · $500K–$1M · Modification
- Determined
25 Princes Street
Secondary dwelling, Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 15 Nov 2025 · 2 dwellings · $1M–$5M
- Withdrawn
8 Blackshaw Avenue
Dual occupancy, Demolition, Erection of a new structure, Dual occupancy (attached), Swimming pool
Dual occupancy & semi-detached · Lodged 4 Nov 2025 · 2 dwellings · $500K–$1M · Modification
- Determined
5A Kemp Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 31 Oct 2025 · 1 dwelling · $500K–$1M
Application details as published by Georges River Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Mortdale market data
Median prices, rental yield, growth, vacancy and properties for sale in Mortdale.
Sales
Recently sold in Mortdale
What buyers actually paid, days on market and recent sale prices in Mortdale.
Development in Mortdale: frequently asked questions
How many development applications were lodged in Mortdale in the last 12 months?
31 development applications were lodged for properties in Mortdale from Oct 2025 to Sep 2026. 10 were modifications to an earlier application. The busiest month was Jun 2026, with 5 applications.
What kind of development is happening in Mortdale?
Of the new applications lodged in the last 12 months, the most common were dual occupancy & semi-detached (7), alterations & additions (4), demolition only (3).
How many new homes are proposed in Mortdale?
Applications lodged in Mortdale in the last 12 months propose 156 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 Mortdale have been decided?
Of the 31 applications lodged in the last 12 months, 17 have a decision (17 recorded as determined without the outcome stated), 10 are still in progress and 4 were withdrawn or not accepted.
Which council assesses development applications in Mortdale?
Applications for Mortdale are lodged with Georges River Council. Its public register is the authoritative record for any individual application.