From £17,020
Relax... you have found a reliable extension builder in CA13. M & K BUILDERS KESWICK LIMITED is a friendly and reliable company based in CA13 who c...
From £17,276
STAN MARTIN T/A are here to help customers who need an Extension Builder in CA13. We offer a competitive rate to complete all your extension builde...
From £16,892
Ian Groves is an established extension buildering business in CA13. We come highly recommended and provide competitive quotes for your work.
From £17,172
Need an Extension Builder in CA13? William king Construction has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £16,860
Experienced extension builder ready to quote for your work. PAUL LITTLE BUILDING MAINT is the best extension builder in CA13. No obligation free qu...
From £17,356
Sc brickwork is an established and experienced local extension builder in CA13. Please contact us for a free, no obligation quote and competitive r...

Underpinning ranges from £16,860 (PAUL LITTLE BUILDING MAINT based in CA7) to £17,356 (Sc brickwork based in CA22), 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 CA13 by posting a job with HaMuch and we will send it to extension builders in CA13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Whitehaven | £22 | £221 |
| Underpin A Building near Carlisle | £24 | £204 |
| Underpin A Building near Dumfries | £20 | £164 |
| Underpin A Building near Dumfries & Galloway | £20 | £164 |
| Underpin A Building near Kendal | £28 | £236 |
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 - £17,096

Two storey extension - £87,394

Build a timber frame extension - £25,596

Build a swimming pool - £80,596

Single storey extension - £46,920

Side return extension - £36,955

Install an RSJ - £1,796

Outbuilding - £9,596

Build a Mansard loft conversion - £51,596

Loft conversion - £29,963

Build a kitchen extension - £41,596

Hip to gable loft conversion - £41,596

Granny annexe - £86,596

Garden office - £9,596

Convert a Garage - £15,596

Garage - £18,096

Build a flat roof extension - £21,596

Build a dormer loft conversion - £41,596

Concrete foundations - £5,846

Convert a bungalow loft - £28,596

Convert a basement - £32,955