From £18,068
We strive for quality for our clients. With over 37 years experience in the building industry we can offer a full service for our clients including...
From £18,052
Blue Conker are dedicated to creating spaces for you to enjoy living. From the planning stages through to the finishing touches, our team of profes...
From £17,772
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,932
Experienced extension builder ready to quote for your work. SWANEY CONSTRUCTION LTD is the best extension builder in Mid Bedfordshire. No obligatio...
From £17,780
Trusted and professional extension builder in Mid Bedfordshire. Experienced in all extension buildering work and keeping within budget and on quote...
From £17,828
Our building services company David Douglas Developments has over 30 years’ experience, and built an established reputation of providing customer...
From £17,852
Relax... you have found a reliable extension builder in Mid Bedfordshire. Claridge Interiors Ltd is a friendly and reliable company based in Mid Be...
From £17,988
Need an Extension Builder in Mid Bedfordshire? J B Smith Construction Limited has been helping local clients (20 mile radius) with their extension ...
From £17,740
G/WORKS & GENERAL BUILDING is an established extension buildering business in Mid Bedfordshire. We come highly recommended and provide competitive ...
From £17,764
Experienced extension builder ready to quote for your work. S & M Constructions is the best extension builder in Mid Bedfordshire. No obligation fr...

Underpinning ranges from £17,740 (G/WORKS & GENERAL BUILDING based in MK43) to £18,068 (O & E Developments Ld based in MK45), 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 Mid Bedfordshire by posting a job with HaMuch and we will send it to extension builders in Mid Bedfordshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Mid Bedfordshire | £42 | £276 |
| Underpin A Building near Ampthill | £38 | £258 |
| Underpin A Building near Kempston | £44 | £273 |
| Underpin A Building near Luton | £41 | £278 |
| Underpin A Building near South Bedfordshire | £45 | £278 |
| Underpin A Building near Bedford | £45 | £278 |
| Underpin A Building near Dunstable | £41 | £272 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near Hitchin | £43 | £283 |
| Underpin A Building near Letchworth | £44 | £283 |
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 - £17,878

Two storey extension - £88,566

Build a timber frame extension - £26,378

Build a swimming pool - £81,378

Single storey extension - £62,552

Side return extension - £45,748

Install an RSJ - £2,578

Outbuilding - £10,378

Build a Mansard loft conversion - £52,378

Loft conversion - £37,290

Build a kitchen extension - £42,378

Hip to gable loft conversion - £42,378

Granny annexe - £87,378

Garden office - £10,378

Convert a Garage - £16,378

Garage - £18,878

Build a flat roof extension - £22,378

Build a dormer loft conversion - £42,378

Concrete foundations - £6,628

Convert a bungalow loft - £29,378

Convert a basement - £41,748