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The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Wallingford. Experienced in all extension buildering work and keeping within budget and on quote. Jig...
Martin Patto
Friendly local builder... professional tidy and competitive....
Relax... you have found a reliable extension builder in Wallingford. JOHN BURDER CONSTRUCTION LIMIT is a friendly and reliable company based in Wal...
From £17,660
Wallingford, OX10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,892
Need to find an Extension Builder near you for all your extension buildering work?
Steel Brook Construction provides a local, trusted exten...
From £17,668
Need to find an Extension Builder near you for all your extension buildering work?
Inside Out Oxford, Bespoke Garden Rooms provides a loca...
From £17,356
AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quot...
From £17,596
Countryside Oak is an established and experienced local extension builder in Wallingford. Please contact us for a free, no obligation quote and com...

Underpinning ranges from £17,356 (AJC PROJECT SERVICES Ltd based in OX10) to £17,892 (Steel Brook Construction based in OX10), 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 Wallingford by posting a job with HaMuch and we will send it to extension builders in Wallingford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Didcot | £36 | £266 |
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
| Underpin A Building near Caversham | £38 | £265 |
| Underpin A Building near Oxford | £38 | £270 |
| Underpin A Building near Reading | £42 | £266 |
| Underpin A Building near Wycombe | £40 | £271 |
| Underpin A Building near Woodley | £42 | £266 |
| Underpin A Building near High Wycombe | £39 | £272 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
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 - £17,600

Two storey extension - £88,150

Build a timber frame extension - £26,100

Build a swimming pool - £81,100

Single storey extension - £57,000

Side return extension - £42,625

Install an RSJ - £2,300

Outbuilding - £10,100

Build a Mansard loft conversion - £52,100

Loft conversion - £34,688

Build a kitchen extension - £42,100

Hip to gable loft conversion - £42,100

Granny annexe - £87,100

Garden office - £10,100

Convert a Garage - £16,100

Garage - £18,600

Build a flat roof extension - £22,100

Build a dormer loft conversion - £42,100

Concrete foundations - £6,350

Convert a bungalow loft - £29,100

Convert a basement - £38,625