From £17,020
Relax... you have found a reliable extension builder in United Kingdom. M & K BUILDERS KESWICK LIMITED is a friendly and reliable company based in ...
From £16,892
Ian Groves is an established extension buildering business in United Kingdom. We come highly recommended and provide competitive quotes for your wo...
From £16,860
Experienced extension builder ready to quote for your work. PAUL LITTLE BUILDING MAINT is the best extension builder in United Kingdom. No obligati...
From £17,276
STAN MARTIN T/A are here to help customers who need an Extension Builder in United Kingdom. We offer a competitive rate to complete all your extens...
From £17,172
Need an Extension Builder in United Kingdom? William king Construction has been helping local clients (20 mile radius) with their extension builder...
From £16,740
Relax... you have found a reliable extension builder in United Kingdom. ASKEW CONSTRUCTION is a friendly and reliable company based in United Kingd...
From £17,156
M c trading is an established extension buildering business in United Kingdom. We come highly recommended and provide competitive quotes for your w...
From £17,356
Sc brickwork is an established and experienced local extension builder in United Kingdom. Please contact us for a free, no obligation quote and com...
From £17,140
My DC Handyman is Washington DC's best handyman service. We offer repairs and renovations for residential and commercial properties around the DMV ...
From £17,740
Cmr Developments is an established and experienced local extension builder in United Kingdom. Please contact us for a free, no obligation quote an...

Underpinning ranges from £16,740 (ASKEW CONSTRUCTION based in CA4) to £17,740 (Cmr Developments based in CA2), 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 United Kingdom by posting a job with HaMuch and we will send it to extension builders in United Kingdom.
| 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 - £17,135

Two storey extension - £87,453

Build a timber frame extension - £25,635

Build a swimming pool - £80,635

Single storey extension - £47,704

Side return extension - £37,396

Install an RSJ - £1,835

Outbuilding - £9,635

Build a Mansard loft conversion - £51,635

Loft conversion - £30,330

Build a kitchen extension - £41,635

Hip to gable loft conversion - £41,635

Granny annexe - £86,635

Garden office - £9,635

Convert a Garage - £15,635

Garage - £18,135

Build a flat roof extension - £21,635

Build a dormer loft conversion - £41,635

Concrete foundations - £5,885

Convert a bungalow loft - £28,635

Convert a basement - £33,396