24suburbs mapped in South West SydneyAcross 3 councils — which one you lodge with changes the process and the timeline.

New South Wales · Region

Home builders in South West Sydney

24 suburbs written under 4 separate planning schemes. The rules that govern your block are the ones in its own scheme, not the ones a builder learned in the council next door.

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24South West Sydney suburbs read parcel by parcel from New South Wales's own planning data

3Councils across the region. Which one you lodge with changes the process and the timeline

5Distinct overlay families mapped across these suburbs, each one something a builder prices differently

South West Sydney suburb by suburb

Suburb	Residential zones	Height limit	Bushfire-prone	Overlays
Austral	R2 Low Density, R3 Medium Density, R4 High Density	—	Mapped	4
Bardia	R1 General, R3 Medium Density	—	Mapped	1
Camden South	R1 General, R2 Low Density	—	Mapped	1
Carnes Hill	R2 Low Density, R3 Medium Density	—	Mapped	0
Casula	R2 Low Density, R3 Medium Density, R4 High Density	15m	Mapped	1
Catherine Field	R2 Low Density, R3 Medium Density, R5 Large Lot	—	Mapped	1
Cecil Hills	R1 General, R2 Low Density, R3 Medium Density	—	Mapped	1
Cobbitty	R1 General, R2 Low Density, R5 Large Lot	—	Mapped	1
Currans Hill	R1 General, R2 Low Density, R3 Medium Density	—	Mapped	1
Edmondson Park	R1 General, R2 Low Density, R3 Medium Density	8.5m	Mapped	2
Gledswood Hills	R1 General, R2 Low Density, R5 Large Lot	—	Mapped	1
Glenfield	R2 Low Density, R3 Medium Density, R4 High Density	8.5m	Mapped	1
Gregory Hills	R1 General, R2 Low Density	—	Mapped	1
Horningsea Park	R2 Low Density, R3 Medium Density	—	Mapped	1
Leppington	R2 Low Density, R3 Medium Density, R4 High Density	—	Mapped	1
Menangle Park	R2 Low Density, R3 Medium Density, R4 High Density	9m	Mapped	2
Middleton Grange	R1 General	—	Mapped	0
Mount Annan	R2 Low Density, R3 Medium Density	—	Mapped	1
Narellan Vale	R1 General, R2 Low Density, R3 Medium Density	—	Mapped	0
Oran Park	R1 General, R2 Low Density, R3 Medium Density	—	Mapped	1
Prestons	R2 Low Density, R3 Medium Density	15m	Mapped	0
Rossmore	R2 Low Density	—	Mapped	1
Spring Farm	R1 General, R2 Low Density	—	Mapped	1
West Hoxton	R1 General, R2 Low Density	—	Mapped	2

Reading the table

Heritage mapping runs from 18 in Leppington down to none in Carnes Hill, Middleton Grange, Narellan Vale and Prestons.
5 overlay families are mapped across the region; Austral carries the most at 4.
The 24 mapped suburbs cover 226 km² between them — Cobbitty is the largest at 52 km² and Horningsea Park the smallest at 1.0 km².

What is mapped across South West Sydney

Mapped only in some suburbs	Where (in the suburb, not on a given block)
Heritage — Item - General	Austral, Bardia, Camden South, Casula, Catherine Field, Cecil Hills, Cobbitty, Currans Hill, Edmondson Park, Gledswood Hills, Glenfield, Gregory Hills, Horningsea Park, Leppington, Menangle Park, Mount Annan, Oran Park, Rossmore, Spring Farm and West Hoxton
Heritage — Item - Archaeological	Austral and Edmondson Park
Heritage — Item - Landscape	Austral and West Hoxton
Heritage — Conservation Area - Landscape	Menangle Park
Heritage — Heritage Conservation Area	Austral

Which South West Sydney suburb suits which build

Room to move
Cobbitty is the largest at 52.2 km², Horningsea Park the most compact at 1.0 km².
Fewest planning controls
Prestons, with 0 overlay families mapped against 4 in Austral.
Biggest minimum lot size
Edmondson Park at 450-474 m² minimum, against 250-299 m² minimum in Narellan Vale.

Questions about building in South West Sydney

Which council approves building work in South West Sydney?

3: Austral, Carnes Hill, Casula, Cecil Hills, Edmondson Park, Horningsea Park, Middleton Grange, Prestons, Rossmore and West Hoxton with Liverpool Council; Bardia, Glenfield and Menangle Park with Campbelltown Council; Camden South, Catherine Field, Cobbitty, Currans Hill, Gledswood Hills, Gregory Hills, Leppington, Mount Annan, Narellan Vale, Oran Park and Spring Farm with Camden Council.

Is bushfire-prone land mapped in South West Sydney?

Yes, in all 24 mapped South West Sydney suburbs: Austral, Bardia, Camden South, Carnes Hill, Casula, Catherine Field, Cecil Hills, Cobbitty, Currans Hill, Edmondson Park, Gledswood Hills, Glenfield, Gregory Hills, Horningsea Park, Leppington, Menangle Park, Middleton Grange, Mount Annan, Narellan Vale, Oran Park, Prestons, Rossmore, Spring Farm and West Hoxton.

Which South West Sydney suburb has the most planning constraints?

Austral: 4 overlay families against 0 in Prestons. Heritage — Heritage Conservation Area is mapped in Austral and in none of the others.

What planning zones apply across South West Sydney?

5: R1 General Residential, R2 Low Density Residential, R3 Medium Density Residential, R4 High Density Residential and R5 Large Lot Residential. Widest range: Casula, at 4.

Is heritage mapped in South West Sydney?

Heritage records intersecting each suburb: Leppington 18, Cobbitty 17, Austral 15, Menangle Park 13, Casula 8, Edmondson Park 6, West Hoxton 6, Rossmore 5, Camden South 4, Cecil Hills 3, Gledswood Hills 3, Glenfield 3, Mount Annan 3, Spring Farm 3, Currans Hill 2, Bardia 1, Catherine Field 1, Gregory Hills 1, Horningsea Park 1, Oran Park 1. None in Carnes Hill, Middleton Grange, Narellan Vale and Prestons.

What is the minimum lot size across South West Sydney?

Carnes Hill: 300-349 m² minimum; Casula: 300-349 m² minimum; Cecil Hills: 300-349 m² minimum; Currans Hill: 250-299 m² minimum; Edmondson Park: 450-474 m² minimum; Gledswood Hills: 250-299 m² minimum; Middleton Grange: 300-349 m² minimum; Mount Annan: 250-299 m² minimum; Narellan Vale: 250-299 m² minimum; Prestons: 300-349 m² minimum; Spring Farm: 300-349 m² minimum; West Hoxton: 300-349 m² minimum.

Lodge with: Austral, Carnes Hill, Casula, Cecil Hills, Edmondson Park, Horningsea Park, Middleton Grange, Prestons, Rossmore and West Hoxton with Liverpool Council (State Environmental Planning Policy (Precincts—Western Parkland City) 2021); Bardia, Glenfield and Menangle Park with Campbelltown Council (Campbelltown Local Environmental Plan 2015); Camden South, Catherine Field, Cobbitty, Currans Hill, Gledswood Hills, Gregory Hills, Leppington, Mount Annan, Narellan Vale, Oran Park and Spring Farm with Camden Council (Camden Local Environmental Plan 2010). Read 2026-09-20.

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Building in South West Sydney?

Tell us the suburb and what you are building. Licence checked with NSW Fair Trading, insurance sighted, still trading, and genuinely working in Austral, Bardia and Camden South. If we cannot find one worth recommending, we will say so.

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