From £17,596
MJ solutions is an established and experienced local extension builder in Wantage. Please contact us for a free, no obligation quote and competiti...
From £17,484
Lambert Home Builds is a trusted extension builder serving customers in Wantage and the surrounding area. Contact us to today to get a competitive ...
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 £17,796
Pinnacle Property Services is a trusted extension builder serving customers in Wantage and the surrounding area. Contact us to today to get a compe...
From £17,300
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,652
Prestige Build Services LTD is a trusted extension builder serving customers in Wantage and the surrounding area. Contact us to today to get a comp...
From £17,700
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £17,716
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Wantage. No obligation free quotes an...
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 £17,628
Wantage, OX12
Relax... you have found a reliable extension builder in Wantage. CHF CONSTRUCTION is a friendly and reliable company based in Wantage who consider ...

Underpinning ranges from £17,300 (First Call Direct based in SN5) to £17,796 (Pinnacle Property Services based in RG31), 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 Wantage by posting a job with HaMuch and we will send it to extension builders in Wantage.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
| Underpin A Building near Oxford | £37 | £261 |
| Underpin A Building near Witney | £32 | £244 |
| Underpin A Building near Newbury | £37 | £262 |
| Underpin A Building near Stratton St Margaret | £37 | £238 |
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Swindon | £38 | £238 |
| Underpin A Building near Thatcham | £38 | £266 |
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 - £17,628

Two storey extension - £88,192

Build a timber frame extension - £26,128

Build a swimming pool - £81,128

Single storey extension - £57,560

Side return extension - £42,940

Install an RSJ - £2,328

Outbuilding - £10,128

Build a Mansard loft conversion - £52,128

Loft conversion - £34,950

Build a kitchen extension - £42,128

Hip to gable loft conversion - £42,128

Granny annexe - £87,128

Garden office - £10,128

Convert a Garage - £16,128

Garage - £18,628

Build a flat roof extension - £22,128

Build a dormer loft conversion - £42,128

Concrete foundations - £6,378

Convert a bungalow loft - £29,128

Convert a basement - £38,940