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 £6,186
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 £6,074
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...
From £6,394
Relax... you have found a reliable extension builder in St Austell. Daniel Job Building & Roofing Contractor Ltd is a friendly and reliable company...
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...
From £6,210
Pendragon Builders is a Cornwall-based business with over 40 years of experience specializing in end-to-end building solutions. We specialise in e...

Concrete foundations range from the £6,058 (Pendragon Builders Ltd based in PL26) to £6,394 (Daniel Job Building & Roofing Contractor Ltd based in PL24) 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 - £17,487

Two storey extension - £87,981

Build a timber frame extension - £25,987

Build a swimming pool - £80,987

Single storey extension - £54,744

Side return extension - £41,356

Install an RSJ - £2,187

Outbuilding - £9,987

Build a Mansard loft conversion - £51,987

Loft conversion - £33,630

Build a kitchen extension - £41,987

Hip to gable loft conversion - £41,987

Granny annexe - £86,987

Garden office - £9,987

Convert a Garage - £15,987

Garage - £18,487

Build a flat roof extension - £21,987

Build a dormer loft conversion - £41,987

Concrete foundations - £6,237

Convert a bungalow loft - £28,987

Convert a basement - £37,356