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Relax... you have found a reliable extension builder in St Austell. BUILDMARK BUILDERS is a friendly and reliable company based in St Austell who c...
SANDSTONE BUILDERS T/A is a trusted extension builder serving customers in St Austell and the surrounding area. Contact us to today to get a compet...
From £6,338
Need an Extension Builder in St Austell? DAVEY CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering job...
From £6,034
HAM & PEARCE CONSTRUCTION LTD is a trusted extension builder serving customers in St Austell and the surrounding area. Contact us to today to get a...
From £6,338
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,354
We are a part of the award-winning Refresh Renovation franchise network.Whether you want a simple bathroom remodel, or a large double storey extens...
From £6,314
Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...
From £6,354
Need an Extension Builder in St Austell? Paul Clarke Architectural Builders has been helping local clients (20 mile radius) with their extension bu...
From £6,090
Aston Construction Project Management is a trusted extension builder serving customers in St Austell and the surrounding area. Contact us to today ...
From £6,058
Need to find an Extension Builder near you for all your extension buildering work?
Pendragon Builders Ltd provides a local, trusted extensi...

Concrete foundations range from the £6,034 (HAM & PEARCE CONSTRUCTION LTD based in PL23) to £6,354 (Refresh Renovations Cornwall based in PL25) in St Austell.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in St Austell by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near St Austell | £38 | £245 |
| Concrete Foundations near Truro | £31 | £206 |
| Concrete Foundations near Newquay | £32 | £230 |
| Concrete Foundations near Falmouth | £33 | £220 |
| Concrete Foundations near Camborne | £28 | £196 |
| Concrete Foundations near Plymouth | £30 | £230 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,464

Two storey extension - £87,946

Build a timber frame extension - £25,964

Build a swimming pool - £80,964

Single storey extension - £54,280

Side return extension - £41,095

Install an RSJ - £2,164

Outbuilding - £9,964

Build a Mansard loft conversion - £51,964

Loft conversion - £33,413

Build a kitchen extension - £41,964

Hip to gable loft conversion - £41,964

Granny annexe - £86,964

Garden office - £9,964

Convert a Garage - £15,964

Garage - £18,464

Build a flat roof extension - £21,964

Build a dormer loft conversion - £41,964

Concrete foundations - £6,214

Convert a bungalow loft - £28,964

Convert a basement - £37,095