From £17,492
ARC Building Services is a trusted extension builder serving customers in Bedfordshire and the surrounding area. Contact us to today to get a comp...
From £17,436
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
From £16,956
we are very efficient in our work.and make sure our client is one 100% satisfied with our work.
From £17,540
Bedfordshire, LU2
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,620
Bedfordshire, LU1
GA Plan and Design is an established and experienced local extension builder in Bedfordshire. Please contact us for a free, no obligation quote and...
From £17,908
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,724
Inkerman Building & Roofing Co are here to help customers who need an Extension Builder in Bedfordshire. We offer a competitive rate to complete al...
From £17,484
We specialise in General Building, extensions, loft conversions, complete refurbishment, exterior painting, bathroom kitchens, garage conversion an...
From £17,500
S Sherazi Home Improvement Service are here to help customers who need an Extension Builder in Bedfordshire. We offer a competitive rate to complet...
From £17,892
Bedfordshire, LU1
ACR Build is an established and experienced local extension builder in Bedfordshire. Please contact us for a free, no obligation quote and competit...

Underpinning ranges from £16,956 (Rite Builders based in LU1) to £17,908 (GRAY & SONS BUILDERS LTD based in LU2), 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 Bedfordshire by posting a job with HaMuch and we will send it to extension builders in Bedfordshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Luton | £41 | £278 |
| Underpin A Building near Dunstable | £41 | £272 |
| Underpin A Building near Harpenden | £86 | £315 |
| Underpin A Building near Hitchin | £43 | £283 |
| Underpin A Building near Hemel Hempstead | £42 | £270 |
| Underpin A Building near Mid Bedfordshire | £42 | £276 |
| Underpin A Building near St Albans | £63 | £288 |
| Underpin A Building near Dacorum | £42 | £269 |
| Underpin A Building near Berkhamsted | £41 | £263 |
| Underpin A Building near Stevenage | £44 | £282 |
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 - £17,555

Two storey extension - £88,083

Build a timber frame extension - £26,055

Build a swimming pool - £81,055

Single storey extension - £56,104

Side return extension - £42,121

Install an RSJ - £2,255

Outbuilding - £10,055

Build a Mansard loft conversion - £52,055

Loft conversion - £34,268

Build a kitchen extension - £42,055

Hip to gable loft conversion - £42,055

Granny annexe - £87,055

Garden office - £10,055

Convert a Garage - £16,055

Garage - £18,555

Build a flat roof extension - £22,055

Build a dormer loft conversion - £42,055

Concrete foundations - £6,305

Convert a bungalow loft - £29,055

Convert a basement - £38,121