Retaining walls in Tahmoor
Tahmoor has a mix of established homes and newer subdivisions. Older timber sleeper walls in established backyards are a common replacement job, along with new walls for extensions, sheds and pools.
What to know before building a wall in Tahmoor
Tahmoor is mining country, and parts of the area are in a declared mine subsidence district. If your property is affected, check with Subsidence Advisory NSW whether your retaining wall needs their approval, and tell your builder so the design can allow for it.
Popular wall types in Tahmoor
The most common requests we see for Tahmoor are timber retaining wall replacement and block and Besser 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 Tahmoor
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 Tahmoor do you cover?+
Tahmoor and surrounding streets off Remembrance Driveway, 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.