New homes in
Southern River.
Southern River is a family suburb in the City of Gosnells, around 21km southeast of Perth. Master-planned estates such as The Brook, Southbrook and Sapphire shaped the suburb, drawing owner-occupier families wanting larger blocks, parklands and access to the Southern River College catchment.
IndicativeEstimate only, not a quote or an offer. Figures combine a home design starting price with the suburb siteworks and do not include land. Designs, builders, land and pricing change and are subject to availability. We confirm a fixed price with your matched builder on enquiry.
Southern River medians have firmed strongly through 2025 and 2026 alongside the broader Perth surge. Growth drivers include larger newer homes, the Southern River College catchment and improved rail access via the Thornlie-Cockburn line nearby.
Estates. The Brook, Southbrook Estate, Sapphire Estate, Southern Oaks Private Estate, Bletchley Park.
Transport. Ranford Road, Southern River Road and Tonkin Highway carry traffic toward the CBD. Bus routes connect Southern River to Thornlie and the new Thornlie-Cockburn METRONET stations, with the drive to the CBD around 30 to 35 minutes off peak.
Schools. Southern River College, Bletchley Park Primary School, Excelsior Primary School, Carey Baptist College.
Amenity. The Vale Shopping Centre and Southern River Square serve local retail, with foreshore reserves and Sutherlands Park for recreation.
First home buyers. Buyers building a first home on a Southern River lot may qualify for the $10,000 First Home Owner Grant and WA first-home transfer duty relief within the value caps. Established homes here often sit above first-home duty thresholds, so check eligibility before committing.
Investors. Family-sized homes near schools and parkland attract long-term tenants. The southeast corridor has seen sustained rental demand and low vacancy, supporting interest from investors targeting stable family tenancies.
Each design below shows an indicative estimate for Southern River (its starting price plus Southern River siteworks, land excluded). Figures are a guide only, not a quote. The builder for each is matched and revealed when you request access.
WA · Southern River 3 bed 
WA · Southern River 4 bed 
WA · Southern River 3 bed Add rentable income on your Southern River block. WA allows ancillary dwellings up to 70m2 to be rented out. Indicative estimates use Southern River siteworks, land excluded.
Independent and on your side. We are paid by the builder, never by you.
Where is Southern River?
Southern River is a southeastern Perth suburb in the City of Gosnells, about 21km from the CBD. It neighbours Gosnells, Canning Vale, Harrisdale and Huntingdale, and is framed by Ranford Road, Southern River Road and the Tonkin Highway corridor.
What estates are in Southern River?
Southern River was shaped by master-planned communities including The Brook, Southbrook, Sapphire Estate, Southern Oaks Private Estate and parts of Bletchley Park. These delivered the parks, lakes and walking trails that define the suburb's family-focused layout today.
Is Southern River good for investors?
Southern River appeals to investors wanting newer family homes near schools and parks. The southeast corridor has held very low rental vacancy through Perth's tight market, which has supported steady demand from family tenants and consistent owner-occupier resale interest.
How much does it cost to build a new home in Southern River?
As an indicative guide in Southern River, a home design starting price plus siteworks works out from around $240,628. This is an estimate only, not a quote, it excludes land, and it is subject to design and builder availability. We confirm a fixed price with your matched builder on enquiry.
What are siteworks and why do they change the cost in Southern River?
Siteworks are the costs to prepare your block for building, including earthworks, drainage, retaining and connections. They vary by suburb and by lot. For Southern River we use an indicative figure of $23,128 to estimate, your real siteworks are confirmed against your specific block.
Can I get the first home owner grant in Southern River?
Eligible first home buyers building a new home in Southern River may access the WA First Home Owner Grant and stamp duty concessions. Use our first home incentive estimator to see what you could claim, then book a free call to confirm against your situation.
Who are the builders in Southern River?
The Property Plug works with a curated panel of verified builders covering Southern River. Every design in our collection comes with one of them, and we introduce your matched builder once we have matched them to your design and block, at no cost to you.
Tell us your brief and we match you to the right builder and design for your Southern River block, then confirm a fixed price. Free to you, no obligation.
Build in Southern River for the right price
One request matches your builder and a fixed price for your Southern River block. Free to you.