Retaining walls in Thirlmere
Thirlmere has a semi-rural feel, with bigger blocks, established gardens and properties backing onto bushland. Natural-looking walls in sandstone are popular here for terraced gardens and driveway batters.
What to know before building a wall in Thirlmere
Some properties around Thirlmere, Buxton and Couridjah are mapped as bushfire prone land, which can influence the choice between timber and non-combustible walls. Ask your builder what suits your block, and check your property’s bushfire mapping with Council.
Popular wall types in Thirlmere
The most common requests we see for Thirlmere are sandstone retaining walls and concrete sleeper retaining walls. Whatever the material, a wall that lasts needs bored footings sized to the wall height and soil, and ag-pipe and gravel drainage behind the face.
Typical cost in Thirlmere
As a guide, supply and installation of engineered steel-post and concrete sleeper retaining walls typically ranges from $450 to $750+ per square metre of wall face, depending on site access, rock excavation, drainage and whether a fence is mounted on top. The builder will give you an itemised quote after a site measure.
Frequently Asked Questions
Which suburbs near Thirlmere do you cover?+
Thirlmere, Buxton and Couridjah, plus the rest of the Wollondilly Shire. Call 0415 770 509 if you’re not sure.
Do I need council approval for a retaining wall in Wollondilly Shire?+
Under NSW State Environmental Planning Policy (Exempt and Complying Development Codes), retaining walls up to 600mm high (and at least 1m from a boundary) generally qualify as exempt development. Higher walls or walls supporting structures require structural engineering and CDC/DA approval.
How Wollondilly Wall Co works
Wollondilly Wall Co is a local lead-matching service connecting Wollondilly property owners with independent, licensed structural landscapers and retaining wall contractors. When you call or send a request, we pass your details to a local builder who contacts you to arrange a site measure and quote. The builder you’re matched with is responsible for the work, its pricing and any warranties.