Retaining Walls Costs & Council Rules in The Hills Shire
Complete statutory guide for retaining walls in The Hills Shire, NSW. Fair Work CW3 benchmarks ($$280–$$550/$lm), council exemption thresholds, and local pricing intelligence.
Statutory Legal Analysis
Statutory Code
State legislation applies
Approval Type
To be determined
Rule Summary
Contact your local council for specific requirements.
Exemption Threshold
No standard exemption threshold
Setback Requirement
Consult council
Engineering Trigger
Structural certification may be required
Local Areas Served
Serving local homeowners and builders across Castle Hill, Baulkham Hills, Kellyville.
All suburbs within the The Hills Shire local government area.
2026 Benchmark Pricing
Fair Work CW3 Rate
$280–$550
per linear metre (inc GST)