Trusted and professional extension builder in Bedford. Experienced in all extension buildering work and keeping within budget and on quote. K FREEM...
Robert Mason
Bedford, MK40
Relax... you have found a reliable extension builder in Bedford. Bench Mark Construction is a friendly and reliable company based in Bedford who co...
RS Plumbing and Heating is a trusted extension builder serving customers in Bedford and the surrounding area. Contact us to today to get a competit...
Bedford, MK42
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
A M Interiors provides a local, trusted extension builde...
Kestutis Palaitis
Bedford, MK42
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bedford, MK40
Need an Extension Builder in Bedford? Custom Construction (UK) Ltd has been helping local clients (20 mile radius) with their extension buildering ...
Experienced extension builder ready to quote for your work. Cousins Builders Ltd is the best extension builder in Bedford. No obligation free quote...
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 £17,388
Bedford, MK41
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,124 (K FREEMAN BUILDERS LIMITED based in MK43) 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 Bedford by posting a job with HaMuch and we will send it to extension builders in Bedford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bedford | £45 | £278 |
| Underpin A Building near South Bedfordshire | £45 | £278 |
| Underpin A Building near Kempston | £44 | £273 |
| Underpin A Building near Ampthill | £38 | £258 |
| Underpin A Building near Mid Bedfordshire | £42 | £276 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near St Neots | £51 | £318 |
| Underpin A Building near Rushden | £34 | £231 |
| Underpin A Building near Milton Keynes | £39 | £263 |
| Underpin A Building near Bletchley | £39 | £265 |
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 - £17,772

Two storey extension - £88,408

Build a timber frame extension - £26,272

Build a swimming pool - £81,272

Single storey extension - £60,440

Side return extension - £44,560

Install an RSJ - £2,472

Outbuilding - £10,272

Build a Mansard loft conversion - £52,272

Loft conversion - £36,300

Build a kitchen extension - £42,272

Hip to gable loft conversion - £42,272

Granny annexe - £87,272

Garden office - £10,272

Convert a Garage - £16,272

Garage - £18,772

Build a flat roof extension - £22,272

Build a dormer loft conversion - £42,272

Concrete foundations - £6,522

Convert a bungalow loft - £29,272

Convert a basement - £40,560