From £17,348
A J TOMLIN BUILDING CONTR is an established extension buildering business in MK44. We come highly recommended and provide competitive quotes for yo...
From £17,804
Our building services company MH Building have a combined thirty-five years of experience and have been helping customers in Bedfordshire and the s...
From £17,828
Need an Extension Builder in MK44? Custom Construction (UK) Ltd has been helping local clients (20 mile radius) with their extension buildering job...
From £17,644
A.S. OHM Electrics Ltd is a trusted extension builder serving customers in MK44 and the surrounding area. Contact us to today to get a competitive ...
From £17,700
Relax... you have found a reliable extension builder in MK44. R G BUILDERS UK LTD is a friendly and reliable company based in MK44 who consider no ...
From £17,700
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,524
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,948
Relax... you have found a reliable extension builder in MK44. Bench Mark Construction is a friendly and reliable company based in MK44 who consider...
From £17,764
Relax... you have found a reliable extension builder in MK44. Applewood Design and Build Ltd is a friendly and reliable company based in MK44 who c...
From £18,308
Need to find an Extension Builder near you for all your extension buildering work?
A M Interiors provides a local, trusted extension builde...

Underpinning ranges from £17,348 (A J TOMLIN BUILDING CONTR based in MK44) to £18,524 (J K L Building Contractors Ltd based in MK42), 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 MK44 by posting a job with HaMuch and we will send it to extension builders in MK44.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Bedfordshire | £45 | £278 |
| Underpin A Building near Bedford | £45 | £278 |
| Underpin A Building near Kempston | £44 | £273 |
| Underpin A Building near St Neots | £51 | £318 |
| Underpin A Building near Rushden | £34 | £231 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near Ampthill | £38 | £258 |
| Underpin A Building near Mid Bedfordshire | £42 | £276 |
| Underpin A Building near Wellingborough | £39 | £251 |
| Underpin A Building near Huntingdon | £38 | £284 |
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 - £17,857

Two storey extension - £88,535

Build a timber frame extension - £26,357

Build a swimming pool - £81,357

Single storey extension - £62,136

Side return extension - £45,514

Install an RSJ - £2,557

Outbuilding - £10,357

Build a Mansard loft conversion - £52,357

Loft conversion - £37,095

Build a kitchen extension - £42,357

Hip to gable loft conversion - £42,357

Granny annexe - £87,357

Garden office - £10,357

Convert a Garage - £16,357

Garage - £18,857

Build a flat roof extension - £22,357

Build a dormer loft conversion - £42,357

Concrete foundations - £6,607

Convert a bungalow loft - £29,357

Convert a basement - £41,514