From £17,380
Relax... you have found a reliable extension builder in OX44. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in OX44 who c...
From £17,852
Draisey is an established extension buildering business in OX44. We come highly recommended and provide competitive quotes for your work.
From £17,492
Need to find an Extension Builder near you for all your extension buildering work?
Brian Watts Partners Ltd provides a local, trusted exten...
From £17,380
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,716
Need to find an Extension Builder near you for all your extension buildering work?
BA Knott Oxford Ltd provides a local, trusted extension ...
From £17,356
AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in OX44. Please contact us for a free, no obligation quote and c...
From £17,692
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £15,516
Trusted and professional extension builder in OX44. Experienced in all extension buildering work and keeping within budget and on quote. Beaumont D...
From £17,596
Trusted and professional extension builder in OX44. Experienced in all extension buildering work and keeping within budget and on quote. E.N.K. Con...
From £17,532
CROWN CONSTRUCTION is an established extension buildering business in OX44. We come highly recommended and provide competitive quotes for your work...

Underpinning ranges from £15,516 (Beaumont Design & Build Ltd based in OX4) to £17,852 (Draisey based in ox33), 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 OX44 by posting a job with HaMuch and we will send it to extension builders in OX44.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Oxford | £37 | £261 |
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Cherwell | £35 | £249 |
| Underpin A Building near Bicester | £35 | £249 |
| Underpin A Building near Wycombe | £39 | £271 |
| Underpin A Building near Aylesbury | £42 | £270 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near High Wycombe | £39 | £272 |
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 - £17,351

Two storey extension - £87,777

Build a timber frame extension - £25,851

Build a swimming pool - £80,851

Single storey extension - £52,024

Side return extension - £39,826

Install an RSJ - £2,051

Outbuilding - £9,851

Build a Mansard loft conversion - £51,851

Loft conversion - £32,355

Build a kitchen extension - £41,851

Hip to gable loft conversion - £41,851

Granny annexe - £86,851

Garden office - £9,851

Convert a Garage - £15,851

Garage - £18,351

Build a flat roof extension - £21,851

Build a dormer loft conversion - £41,851

Concrete foundations - £6,101

Convert a bungalow loft - £28,851

Convert a basement - £35,826