Retaining walls for Officer’s sloping blocks.

Officer sits on the western edge of the Cardinia Shire, between Beaconsfield and Pakenham. The land here is genuinely sloped — the new estates were terraced rather than levelled, which means most blocks have a 1–3 metre fall from front to back, or one side to the other.

That fall has to be retained somewhere. Either the developer did it (front of the block, common in Arcadia) or the homeowner has to do it (rear or side fence line, very common in Aspect and Riverbank). The walls left for the homeowner are the ones we build.

Common Officer retaining wall scenarios

• Rear yard cut-and-fill walls — usually 0.6–1.5m, often crossing the fence line. Requires neighbour notification under the Fences Act.
• Side-boundary tiered walls — two or three short walls stepping down a slope, far stronger than a single tall wall.
• Driveway retaining — supporting a sloped driveway against the house pad.
• Pool surround walls — many Officer pools are partially in-ground because of the slope, which means short walls all around.

What Officer estates have in common

Reactive clay subsoil and developer-imported fill on top. The fill is often poorly compacted and holds water. A retaining wall built into this without proper drainage and footing depth will lean within 5–10 years. We dig past the fill, footing into the clay, and run an ag-pipe to a legal stormwater point on every job.