The Lower North Shore is built on steep Hawkesbury sandstone that falls away to the harbour and Middle Harbour. Beautiful views — and some of the most challenging retaining wall sites in Sydney.
Typical Lower North Shore retaining wall jobs
- Steep harbour-side blocks in Mosman, Cremorne, Castlecrag and Northbridge that need tiered, engineered walls.
- Sandstone walls that blend with natural rock shelves and existing heritage stonework.
- Walls around pools and driveways cut into the slope.
- Rebuilding old dry-stone and timber walls that have been pushed over by tree roots and water.
What to know building here
Rock is often close to the surface, which can mean rock sawing or core-drilling post holes rather than simple digging. Access can be down steep stairs or across tight side passages. Several parts of the Lower North Shore have landslip or geotechnical controls and foreshore building lines, so taller walls usually need engineering and sometimes a geotechnical report.
Retaining walls we build in Lower North Shore
- 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 Lower North Shore
- North Sydney
- Neutral Bay
- Cremorne
- Mosman
- Cammeray
- Crows Nest
- Wollstonecraft
- Waverton
- McMahons Point
- Kirribilli
- St Leonards
- Artarmon
- Chatswood
- Willoughby
- Castlecrag
- Northbridge
- Naremburn
- Lane Cove
- Longueville
- Greenwich
- Riverview
- Linley Point
Don't see your suburb? We work right across Sydney — ask us.
Frequently asked questions
Do you build retaining walls in Lower North Shore?
Yes. We build concrete sleeper, sandstone, timber, block and engineered retaining walls across Lower North Shore, including North Sydney, Neutral Bay, Cremorne, Mosman, Cammeray, Crows Nest and surrounding suburbs.
Do I need council approval for a retaining wall in Lower North Shore?
It depends on the height, location and what the wall supports. Lower North Shore is covered by North Sydney, Willoughby, Lane Cove and Mosman Councils. 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 Lower North Shore?
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.