From £17,604
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,716
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Abingdon-on-thames. No obligation fre...
From £17,636
Need to find an Extension Builder near you for all your extension buildering work?
THAMESIDE CONSTRUCTION provides a local, trusted extensi...
From £17,620
Bluestones Garden Design Ltd is an established and experienced local extension builder in Abingdon-on-thames. Please contact us for a free, no obli...
From £17,532
Trusted and professional extension builder in Abingdon-on-thames. Experienced in all extension buildering work and keeping within budget and on quo...
From £17,484
Lambert Home Builds is a trusted extension builder serving customers in Abingdon-on-thames and the surrounding area. Contact us to today to get a c...
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 £17,740
Approved extension builder in Abingdon-on-thames, covering 20 miles.
Whatever extension buildering work you need, including emergency repair...
From £17,476
D.Bradbury Property Services are here to help customers who need an Extension Builder in Abingdon-on-thames. We offer a competitive rate to complet...
From £17,460
Friendly local builder... professional tidy and competitive....

Underpinning ranges from £17,380 (JKT BUILDERS based in OX4) to £17,740 (APH Construction Limited based in OX2), 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 Abingdon-on-thames by posting a job with HaMuch and we will send it to extension builders in Abingdon-on-thames.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Oxford | £37 | £263 |
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near Witney | £32 | £244 |
| Underpin A Building near Cherwell | £35 | £249 |
| Underpin A Building near Bicester | £35 | £249 |
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Caversham | £38 | £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 - £17,565

Two storey extension - £88,097

Build a timber frame extension - £26,065

Build a swimming pool - £81,065

Single storey extension - £56,296

Side return extension - £42,229

Install an RSJ - £2,265

Outbuilding - £10,065

Build a Mansard loft conversion - £52,065

Loft conversion - £34,358

Build a kitchen extension - £42,065

Hip to gable loft conversion - £42,065

Granny annexe - £87,065

Garden office - £10,065

Convert a Garage - £16,065

Garage - £18,565

Build a flat roof extension - £22,065

Build a dormer loft conversion - £42,065

Concrete foundations - £6,315

Convert a bungalow loft - £29,065

Convert a basement - £38,229