From £17,060
TR1 Construction Ltd is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles around TR2 w...
From £17,316
Rock Construction is a trusted extension builder serving customers in TR2 and the surrounding area. Contact us to today to get a competitive quote ...
From £17,308
Need to find an Extension Builder near you for all your extension buildering work?
Pendragon Builders Ltd provides a local, trusted extensi...
From £17,460
Pendragon Builders is a Cornwall-based business with over 40 years of experience specializing in end-to-end building solutions. We specialise in e...
From £17,044
Experienced extension builder ready to quote for your work. KEAST CONSTRUCTION LTD is the best extension builder in TR2. No obligation free quotes ...
From £17,172
A Collins Building Contractor is a trusted extension builder serving customers in TR2 and the surrounding area. Contact us to today to get a compet...
From £17,132
J C MITCHELL BUILDERS LTD is a trusted extension builder serving customers in TR2 and the surrounding area. Contact us to today to get a competitiv...
From £17,132
Relax... you have found a reliable extension builder in TR2. KC DESIGN AND BUILD is a friendly and reliable company based in TR2 who consider no jo...
From £17,324
Relax... you have found a reliable extension builder in TR2. BUILDMARK BUILDERS is a friendly and reliable company based in TR2 who consider no job...
From £17,564
Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...

Underpinning ranges from £17,044 (KEAST CONSTRUCTION LTD based in TR1) to £17,564 (Probuild(cornwall) ltd based in PL25), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in TR2 by posting a job with HaMuch and we will send it to extension builders in TR2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Truro | £31 | £206 |
| Underpin A Building near Falmouth | £33 | £220 |
| Underpin A Building near St Austell | £38 | £245 |
| Underpin A Building near Newquay | £32 | £230 |
| Underpin A Building near Camborne | £28 | £196 |
| Underpin A Building near St Ives, Cornwall | £27 | £188 |
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 - £17,251

Two storey extension - £87,627

Build a timber frame extension - £25,751

Build a swimming pool - £80,751

Single storey extension - £50,024

Side return extension - £38,701

Install an RSJ - £1,951

Outbuilding - £9,751

Build a Mansard loft conversion - £51,751

Loft conversion - £31,418

Build a kitchen extension - £41,751

Hip to gable loft conversion - £41,751

Granny annexe - £86,751

Garden office - £9,751

Convert a Garage - £15,751

Garage - £18,251

Build a flat roof extension - £21,751

Build a dormer loft conversion - £41,751

Concrete foundations - £6,001

Convert a bungalow loft - £28,751

Convert a basement - £34,701