How High Can You Go?

Generally, you can build a retaining wall up to 1.0m high in Qld without needing to engage a structural Engineer or organise a development approval.

Often manufacturers of retaining materials will specify the maximum height that products can be built to without engineering.

Requirements change from state to state, and local council to council.

Other regulations may also need to be considered, such as:

  • Minimum distances to a neighbouring property
  • Planning scheme overlays (heritage, flood, acid sulphate soil etc)
  • They must not divert water to a neighbouring property
  • Minimum distances to easements, sewerage pipes and water mains
  • Minimum distances to bodies of water such as lakes, dams, creeks and rivers.
  • In some cases, a retaining wall may be needed instead of a fence between properties.
    In this case, it is the responsibility of both homeowners to build the retaining wall according to Australian Standards

“Retaining walls can become a matter of dispute if a neighbour experiences unwanted effects from the construction of a retaining wall. They may experience water coming into their yard or other effects from the construction of a retaining wall. If that is the case, they may lodge a complaint to council and the builder of the retaining wall will have to tear it down or make adjustments to the retaining wall to be sure it doesn’t have an effect on a neighbouring property.”

What is the cheapest option?

Retaining walls are often made of a range of materials depending on look, asthetics and function required.
The cheapest options are usually treated pine or hardwood sleeper retaining walls, followed by blocks (stone, concrete or besser blocks).

For More help…

For more information on retaining wall rules within Brisbane City Council, read here.

Moreton Bay Council requirements.

Sources: hipages

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