Custom sandstone block retaining walls across the Hawkesbury. Kurrajong, Windsor, Pitt Town, Grose Vale, Freemans Reach and beyond.
Owner-operated by Jesse Madden. Fixed-price quotes. $20M public liability. Every wall includes proper drainage, engineered footings, and a pressure-washed finish.
Jesse personally visits every site. Fixed-price. No obligation.
A cheap wall fails in 5 years. A Madden wall lasts decades. Every wall we build includes engineered footings, proper aggregate drainage with agg lines plumbed to stormwater, geofabric, and a pressure-washed finish. No shortcuts.
2-metre A Grade and B Grade sandstone blocks. Curved walls, stepped walls, tiered walls, walls with stair treads. We do it all and we do it properly.
Every wall gets aggregate backfill, socked agg lines connected to stormwater, and geofabric. Hydrostatic pressure is the #1 reason walls fail. We eliminate it.
Owner-operator. One number. No project managers, no subcontractors you've never met. Jesse quotes it, builds it, and stands behind it.
Our signature. 2-metre natural sandstone blocks with engineered footings and full drainage. Available in A Grade (premium face) and B Grade. Pressure washed on completion.
Get a quote →H-posts with concrete sleepers. Great for longer spans or where sandstone isn't the right fit. Engineered, durable, and cost-effective.
Get a quote →Multiple levels on sloped blocks. We build tiered walls that work with the land, not against it. Perfect for Hawkesbury's hilly terrain.
Get a quote →Sandstone block curved retaining walls that follow the natural contour of your property. Demo-saw cut to fit perfectly.
Get a quote →Integrated sandstone stair treads and steppers. Functional entry access built into the wall itself. Clean, seamless look.
Get a quote →Old wall leaning, cracking, or collapsed? We remove the failed wall and replace it properly with correct drainage so it doesn't happen again.
Get a quote →The Hawkesbury sits on a sandstone shelf that runs from the escarpment at Kurrajong Heights down through Grose Vale, Agnes Banks, and across to Windsor. When we build a sandstone block retaining wall on a Hawkesbury property, we're not just building a wall — we're matching the geology that's already under your feet. Every wall Madden Earthworks builds uses 2-metre natural Australian sandstone blocks, supplied locally, cut to fit, and installed with engineered drainage so they last decades.
Uniform colour, clean-cut face, minimal vein variation. A Grade sandstone is the choice for front-yard feature walls, heritage-matched walls, and any Hawkesbury wall where the finish is the whole point. Honey and gold tones dominate.
Structurally identical to A Grade, but with natural variation in face texture and colour. B Grade is the everyday choice for rural Hawkesbury retaining walls, structural walls, and anywhere the wall will weather into the landscape rather than stand out. Same strength, better price.
Sandstone doesn't fail like timber, doesn't crack like concrete sleepers, and doesn't look manufactured like render blocks. On Hawkesbury clay and sandstone country, a sandstone block wall weathers naturally, grows moss on the shaded face, and looks better at year 20 than at year 1. That's the advantage of real stone.
South Windsor clay pushes walls forward without drainage. Bowen Mountain and Bilpin sit on sandstone bedrock with tight access. Cattai and Wilberforce have ridgelines that slump without engineered footings. Agnes Banks and Richmond River flats are sandy. Every Hawkesbury suburb has its own soil personality — we've built walls in all of them and we know what each one needs.
No hidden extras. No surprise invoices. This is what every Madden retaining wall quote covers.
Tell Jesse about the wall. Photo of the site helps. We reply within 24 hours.
Jesse walks the site, checks access, soil, drainage. You get a fixed-price written quote.
Clear start date. Materials ordered. Blocks delivered. No guessing when we show up.
Pressure washed, site clean, all rubbish gone. Ready for the next trade or to enjoy your yard.
Failed walls, overgrown slopes, unusable yards — rebuilt properly, drained properly, finished properly.
Sandstone block, tiered, curved, stepped. Every wall drained properly and pressure-washed on completion.
"I would highly recommend Jesse and the team after the fantastic work he has completed at my home. He rectified a 50m long failed stone wall and completed extensive earthworks, services, fencing and landscaping all to an extremely high standard. Jesse went above and beyond to ensure the end result was millimetre perfect."
"Jesse quoted Monday, wall was built by Friday. Sandstone looks incredible and the drainage behind it is done properly. Won't be calling anyone else."
"Three tiered walls, stair treads, and landscaping. Fixed price, no surprises. Site was spotless when they left. Highly recommend Madden Earthworks."
Dan M. and Rob T. shown as illustrative examples — replace with your next two verified Google reviews.
Madden Earthworks is owner-operated. Jesse quotes the job, runs the site, and stands behind every wall. No project managers you'll never meet. No sub-contractors swapping out halfway through.
Just a tight Hawkesbury-based crew that turns up, cares about the detail, and leaves the site cleaner than we found it.
Based in East Kurrajong. We've built walls in every suburb listed below and service the broader Western Sydney region for larger jobs.
Madden Earthworks builds sandstone block retaining walls in Kurrajong, Kurrajong Heights, East Kurrajong, Windsor, South Windsor, Pitt Town, Freemans Reach, Glossodia, Grose Vale, Wilberforce, Richmond, North Richmond, Agnes Banks, Oakville, Cattai, Bowen Mountain, Bilpin, Penrith, Glenbrook, Castlereagh, and the broader Hawkesbury and Western Sydney regions of New South Wales, Australia. Contact Jesse Madden on 0432 085 976 for a free retaining wall quote.
Sandstone block retaining wall costs in the Hawkesbury typically range from $300 to $600 per lineal metre depending on wall height, access, soil conditions, and whether A Grade or B Grade blocks are used. Our quotes are fixed-price and fully inclusive: excavation, footings, blocks, drainage, labour, equipment, and clean-up. Call Jesse on 0432 085 976 for a free site visit and written quote.
Standard 2-metre sandstone retaining wall blocks measure roughly 2000mm long by 400mm high by 400mm deep, and weigh about 1.4 tonnes each. Both A Grade and B Grade share the same dimensions and weight - only the face finish and colour variation differs. That's why every sandstone wall we build uses a purpose-made block grab on our 5.5t Kobelco: nobody is picking these up by hand.
Our sandstone blocks are sourced from local NSW sandstone quarries and delivered directly to your Hawkesbury site. Because the stone is locally quarried, the colour and texture match the natural sandstone already present under much of the Hawkesbury - especially around Kurrajong, Grose Vale, Bowen Mountain, and the Agnes Banks escarpment. Your wall ends up looking like it grew out of your block.
We're based in East Kurrajong and service the entire Hawkesbury: Kurrajong, Kurrajong Heights, Windsor, South Windsor, Pitt Town, Freemans Reach, Glossodia, Grose Vale, Wilberforce, Richmond, North Richmond, Agnes Banks, Oakville, Cattai, Bowen Mountain, and Bilpin. We also take on larger jobs across Western Sydney including Penrith, Glenbrook, and the Blue Mountains.
A Grade sandstone blocks have a cleaner, more uniform face and are typically chosen for front yards and feature walls where appearance matters most. B Grade blocks are structurally identical but have more natural variation in colour and texture. Both come in 2-metre lengths. Jesse can show you samples and help you choose the right grade for your project.
A sandstone block wall built with proper drainage lasts 50+ years. Timber sleepers rot in 10-20, concrete sleepers crack and lean in 20-30, but sandstone is the original structural material - it doesn't degrade. The only thing that moves a sandstone wall is water pressure from behind it, and we eliminate that with socked agg lines plumbed to stormwater, aggregate backfill, and geofabric on every wall.
Yes, and that's one of its best features. Natural sandstone deepens in colour over the years, shaded faces grow moss and lichen, and the wall settles into the landscape. A Hawkesbury sandstone wall looks more at home at year 20 than year 1 - the opposite of render blocks or concrete sleepers, which look their best on day one.
Essentially zero. No sealing, no staining, no replacement. Occasional pressure wash if you want to remove moss, and keep the agg-line outlets clear of garden growth. Otherwise the wall is maintenance-free for decades.
Yes. Jesse personally visits every site to assess the job: access, soil conditions, drainage requirements, block count. You get a fixed-price written quote that includes everything. No obligation, no pressure.
Most sandstone retaining walls are built in 2 to 5 days depending on length, height, and site conditions. We typically schedule within 1 to 3 weeks of quote acceptance. You get a locked start date so you know exactly when the work begins.
The #1 cause is poor drainage. Water builds up behind the wall (hydrostatic pressure), pushes it forward, and it eventually leans or collapses. Hawkesbury clay - especially in South Windsor, Oakville and the east-rural suburbs - makes this worse. Every Madden wall includes aggregate backfill, socked agg lines plumbed to stormwater, and geofabric to prevent this. We also use proper roadbase footings so the wall doesn't shift or settle over time.
Absolutely. We remove the failed wall, excavate properly, and rebuild with correct footings and drainage so it doesn't happen again. We've replaced failed timber, concrete, and sandstone walls across the Hawkesbury.
Yes. Madden Earthworks Pty Ltd (ABN 86 683 469 712) carries $20 million public liability insurance. We're White Card certified, WHS compliant, and DBYD registered. Certificates of currency available on request.
Free site visit. Fixed-price quote. No obligation. Usually back to you the same day.