Development applications in Sadleir, NSW 2168

17 development applications were lodged for properties in Sadleir from Oct 2025 to Sep 2026. What is being built, how much of it is housing, and where each application stands.

Latest council activity: 18 Sept 2026

Applications lodged

last 12 months

Decided

16 still in progress

New dwellings proposed

stated on applications

Declared construction value

$17.3M

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.

0
Oct
0
Nov
0
Dec
0
Jan
0
Feb
0
Mar
0
Apr
2
May
6
Jun
6
Jul
0
Aug
3
Sep

What is being proposed

17 new applications by main type of work (modifications excluded).

Apartments & townhouses4
Granny flats4
Alterations & additions3
Dual occupancy & semi-detached2
New houses2
Commercial, industrial & community1
Pools, sheds, garages & decks1

Where applications stand

Status of the 17 applications lodged in the last 12 months.

Approved: 0
Determined (outcome not stated): 1
Refused: 0
Withdrawn or not accepted: 0
In progress: 16

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.

147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 23 July 2026 · 10 dwellings · $1M–$5M
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 28 May 2026 · 9 dwellings · $1M–$5M
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 15 July 2026 · 5 dwellings · $1M–$5M
18 Glenwari Street
Demolition, Erection of a new structure, Semi-detached dwelling
In progress
Dual occupancy & semi-detached · Lodged 1 June 2026 · 2 dwellings · $1M–$5M
156 Maxwells Avenue
Change of use of land or a building or the classification of a building under the Building Code of Australia, Dual occupancy (detached)
In progress
Dual occupancy & semi-detached · Lodged 18 Sept 2026 · 2 dwellings

Most recent applications

The 27 applications lodged in Sadleir, newest first. Costs are shown as bands.

156 Maxwells Avenue
Change of use of land or a building or the classification of a building under the Building Code of Australia, Dual occupancy (detached)
In progress
Dual occupancy & semi-detached · Lodged 18 Sept 2026 · 2 dwellings
89 Heckenberg Avenue
Dwelling house, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 11 Sept 2026 · $100K–$500K
50 Gabo Crescent
Secondary dwelling, Erection of a new structure
In progress
Granny flats · Lodged 9 Sept 2026 · 1 dwelling · $100K–$500K
50 Gabo Crescent
Secondary dwelling, Erection of a new structure
In progress
Granny flats · Lodged 28 July 2026 · 1 dwelling · $100K–$500K
148 Maxwells Avenue
Dwelling house, Erection of a new structure
In progress
New houses · Lodged 24 July 2026 · 1 dwelling · $500K–$1M
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 23 July 2026 · 10 dwellings · $1M–$5M
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 15 July 2026 · 5 dwellings · $1M–$5M
13 Insignia Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
In progress
Alterations & additions · Lodged 9 July 2026 · Under $100K
50 Gabo Crescent
Secondary dwelling, Erection of a new structure
In progress
Granny flats · Lodged 5 July 2026 · 1 dwelling · $100K–$500K
89 Heckenberg Avenue
Dwelling house, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 30 June 2026 · Under $100K
54 Celebration Road
Mobile food and drink outlet, Food and drink premise, Take away food and drink, Hours of operation and trading
In progress
Commercial, industrial & community · Lodged 26 June 2026 · Under $100K
148 Maxwells Avenue
Dwelling house, Erection of a new structure
In progress
New houses · Lodged 19 June 2026 · 1 dwelling · $500K–$1M
21 Glenwari Street
Secondary dwelling, Alterations or additions to an existing building or structure
In progress
Granny flats · Lodged 4 June 2026 · 1 dwelling · $100K–$500K
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 3 June 2026 · 10 dwellings · $1M–$5M
18 Glenwari Street
Demolition, Erection of a new structure, Semi-detached dwelling
In progress
Dual occupancy & semi-detached · Lodged 1 June 2026 · 2 dwellings · $1M–$5M
147 Cartwright Avenue
Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 28 May 2026 · 9 dwellings · $1M–$5M
45 Warrigo Street
Demolition, Erection of a new structure, Balcony, deck, patio, terrace or verandah
Determined
Pools, sheds, garages & decks · Lodged 25 May 2026 · Under $100K
3 Heckenberg Avenue
Shop top housing, Commercial development, Office Premise, Erection of a new structure, Residential Accommodation
Determined
Apartments & townhouses · Lodged 26 Sept 2025 · 1 dwelling · $1M–$5M
1 Eureka Crescent
Dwelling house, Alterations or additions to an existing building or structure, Erection of a new structure
Determined
Alterations & additions · Lodged 18 Aug 2025 · $100K–$500K
7 Kendee Street
Secondary dwelling, Erection of a new structure
Determined
Granny flats · Lodged 26 June 2025 · 1 dwelling · $100K–$500K
1-5 Spica Street
Demolition, Alterations or additions to an existing building or structure, Early Education and Care Facility, Centre-based child care
Determined
Commercial, industrial & community · Lodged 20 Feb 2025 · $1M–$5M
30 Bobin Road
Secondary dwelling, Demolition, Erection of a new structure, Garage, carport or carparking space
Determined
Granny flats · Lodged 31 Jan 2025 · 1 dwelling · $100K–$500K
3A Warrigo Street
Secondary dwelling, Erection of a new structure
Determined
Granny flats · Lodged 15 Nov 2024 · 1 dwelling · $100K–$500K
4 Ghurka Street
Demolition, Subdivision, Erection of a new structure, Semi-detached dwelling
Determined
Dual occupancy & semi-detached · Lodged 25 Oct 2024 · 2 dwellings · $500K–$1M
7 Dundee Street
Dwelling house, Alterations or additions to an existing building or structure
Determined
Alterations & additions · Lodged 8 Aug 2024 · Under $100K · Modification
3 Bobin Road
Erection of a new structure, Semi-detached dwelling
Withdrawn
Dual occupancy & semi-detached · Lodged 10 July 2024 · 2 dwellings · $500K–$1M
16 Festival Street
Demolition, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 2 May 2024 · 2 dwellings · $500K–$1M

Application details as published by Liverpool City Council. The council's own register is the authoritative record for any individual application.

Suburb profile

Sadleir market data

Median prices, rental yield, growth, vacancy and properties for sale in Sadleir.

Sales

Recently sold in Sadleir

What buyers actually paid, days on market and recent sale prices in Sadleir.

Development in Sadleir: frequently asked questions

How many development applications were lodged in Sadleir in the last 12 months?

17 development applications were lodged for properties in Sadleir from Oct 2025 to Sep 2026. The busiest month was Jun 2026, with 6 applications.

What kind of development is happening in Sadleir?

Of the new applications lodged in the last 12 months, the most common were apartments & townhouses (4), granny flats (4), alterations & additions (3).

How many new homes are proposed in Sadleir?

Applications lodged in Sadleir in the last 12 months propose 44 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 Sadleir have been decided?

Of the 17 applications lodged in the last 12 months, 1 has a decision (1 recorded as determined without the outcome stated), 16 are still in progress and 0 were withdrawn or not accepted.

Which council assesses development applications in Sadleir?

Applications for Sadleir are lodged with Liverpool City Council. Its public register is the authoritative record for any individual application.