Escarpments, headlands and sandy flats — the Northern Beaches has every kind of retaining wall site. Homes on Collaroy Plateau, Seaforth, Bilgola and Newport often sit on steep slopes where the retaining walls are the most important structure on the block.
Typical Northern Beaches retaining wall jobs
- Steep escarpment blocks needing tiered or engineered walls.
- Raised gardens and terraces in concrete sleeper and sandstone finishes.
- Coastal sandy sites where old walls have been undermined by washout.
- Pool and driveway walls on sloping blocks.
What to know building here
Northern Beaches Council maps geotechnical hazard / landslip risk areas, particularly in the former Pittwater area, and walls on these sites often need a geotechnical report and engineering. Salt air calls for hot-dip galvanised steel. Parts of the peninsula are also bushfire-prone. We check the planning maps for your address before we quote.
Retaining walls we build in Northern Beaches
- Concrete Sleeper Retaining Walls
- Sandstone Retaining Walls
- Timber Retaining Walls
- Block & Besser Retaining Walls
- Gabion Retaining Walls
- Engineered Retaining Walls
- Retaining Wall Repairs & Replacement
- Retaining Wall Drainage
Suburbs we service in Northern Beaches
- Manly
- Fairlight
- Balgowlah
- Seaforth
- Clontarf
- Freshwater
- Curl Curl
- Dee Why
- Collaroy
- Collaroy Plateau
- Narrabeen
- Cromer
- Beacon Hill
- Brookvale
- Frenchs Forest
- Belrose
- Forestville
- Mona Vale
- Newport
- Avalon
- Bilgola
- Palm Beach
Don't see your suburb? We work right across Sydney — ask us.
Frequently asked questions
Do you build retaining walls in Northern Beaches?
Yes. We build concrete sleeper, sandstone, timber, block and engineered retaining walls across Northern Beaches, including Manly, Fairlight, Balgowlah, Seaforth, Clontarf, Freshwater and surrounding suburbs.
Do I need council approval for a retaining wall in Northern Beaches?
It depends on the height, location and what the wall supports. Northern Beaches is covered by Northern Beaches Council. Low walls meeting the NSW exempt development standards often don't need approval; taller or boundary walls usually do. We check the controls for your address — see our approval guide.
How much does a retaining wall cost in Northern Beaches?
Most walls fall between roughly $300 and $1,400 per square metre of wall face depending on material, height and access. Tight access and rock can add cost. See our cost guide or ask for a free fixed quote.