
In-situ concrete walls across the Central Coast
Reinforced concrete walls poured in place, for higher walls, house cuts and engineered designs.
Poured on site, reinforced with steel
An in-situ wall is formed up on site, tied with reinforcing steel and poured as one piece of concrete. It suits higher walls, walls holding up a driveway or a house, and jobs where the engineered design calls for one.
We build the formwork, fix the steel, pour and strip it, then drain and backfill behind the wall. Reinforced concrete beams are part of the same work.





What clients say about Corrado and the team
ALLCOAST Retaining Walls installed a 3.6m high engineered wall on our sloping block. A pool and garden was installed behind the wall to marry up with the rear Alfresco of the house. This was a huge job, and the wall was installed with absolute precision. Corrado and the team at AllCoast Retaining Walls were great to work with through the planning and execution of the project.
Corrado Sana, his son Dom, and their team are an outstanding hard working, diligent and thoughtful team, designing and erecting three engineered concrete sleeper retaining walls plus a concrete slab. Corrado is flexible and imaginative in problem solving. He responds to queries quickly and is always only a phone call away. I would highly recommend Allcoast Retaining Walls and Sanna Construction.
Corrado and his team of worker did a job for me 30 m concrete retaining wall and 130 m2 concrete slab
Corrado spent time is telling me the best way to do the job and why it has to be done that way for the best out come
His team work professionally with the attitude of doing the job right and clean up when they were finish any questions I ask about the job they were happy to answer them
Allcoast retaining walls fixed a problem at my house in Terrigal that no other contractor could. Corrado and his team did an amazing job.Thanks fellas

What we build
- Formwork. Timber forms built and braced on site to the shape of the wall.
- Reinforcing steel. Steel fixed inside the forms before the pour.
- The pour. Concrete placed, then the forms stripped once it has set.
- Reinforced beams. Concrete beams poured with steel reinforcement.
How a retaining wall job runs
Three steps from the first call to a clean site.
- Call or send the detailsRing Corrado on 0450 800 156, or send a few lines and photos of the slope.
- Site visit and quoteCorrado looks at the ground, the drainage and the access, explains the options and puts it in a detailed quote.
- Built and cleaned upThe crew digs, builds and backfills the wall, keeps you posted, and leaves the site clean.
In-situ concrete walls questions
Got a different question? Give Corrado a call.
When is an in-situ wall better than a sleeper wall?
Usually for higher walls, walls close to a house or driveway, or where the engineered design specifies poured concrete. A sleeper wall is quicker and cheaper where it will do the job.
Can you work from an engineer's plans?
Yes. Engineered walls are a big part of the work, from concrete sleeper walls to poured walls.
In-situ concrete walls across the Central Coast
From our base at Kulnura we build walls right across the Coast, from Terrigal, Bateau Bay and Copacabana to Lisarow, Point Clare and Hamlyn Terrace.
We also work down to Brooklyn, and across Lake Macquarie, Newcastle and the Sydney region.
Not sure if you're in the area? Call CorradoGet a in-situ concrete walls quote
Tell Corrado about the slope, the wall or the slab, and add photos if you can.
