From £17,844
Trusted and professional extension builder in Botley. Experienced in all extension buildering work and keeping within budget and on quote. Crawford...
From £17,764
MG Property Maintenance & Services is a trusted extension builder serving customers in Botley and the surrounding area. Contact us to today to get ...
From £17,452
Trusted and professional extension builder in Botley. Experienced in all extension buildering work and keeping within budget and on quote. Design &...
From £17,324
Botley, OX2
R AND J CONSTRUCTION is an established and experienced local extension builder in Botley. Please contact us for a free, no obligation quote and com...
From £17,724
TNT CONSTRUCTION are here to help customers who need an Extension Builder in Botley. We offer a competitive rate to complete all your extension bui...
From £18,012
Michael E Phillips is an established extension buildering business in Botley. We come highly recommended and provide competitive quotes for your wo...
From £17,724
Botley, OX2
Need an Extension Builder in Botley? K C CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for many...
From £17,356
Trusted and professional extension builder in Botley. Experienced in all extension buildering work and keeping within budget and on quote. Spatial ...
From £17,532
CROWN CONSTRUCTION is an established extension buildering business in Botley. We come highly recommended and provide competitive quotes for your wo...
From £17,668
Singh Builders is an established extension buildering business in Botley. We come highly recommended and provide competitive quotes for your work.<...

Underpinning ranges from £17,324 (R AND J CONSTRUCTION based in OX2) to £18,012 (Michael E Phillips 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 Botley by posting a job with HaMuch and we will send it to extension builders in Botley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Oxford | £37 | £261 |
| Underpin A Building near Abingdon-on-Thames | £35 | £258 |
| 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 Didcot | £36 | £266 |
| Underpin A Building near South Oxfordshire | £36 | £253 |
| Underpin A Building near Vale of White Horse | £36 | £271 |
| Underpin A Building near Aylesbury Vale | £36 | £246 |
| Underpin A Building near Aylesbury | £42 | £270 |
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 - £17,640

Two storey extension - £88,210

Build a timber frame extension - £26,140

Build a swimming pool - £81,140

Single storey extension - £57,800

Side return extension - £43,075

Install an RSJ - £2,340

Outbuilding - £10,140

Build a Mansard loft conversion - £52,140

Loft conversion - £35,063

Build a kitchen extension - £42,140

Hip to gable loft conversion - £42,140

Granny annexe - £87,140

Garden office - £10,140

Convert a Garage - £16,140

Garage - £18,640

Build a flat roof extension - £22,140

Build a dormer loft conversion - £42,140

Concrete foundations - £6,390

Convert a bungalow loft - £29,140

Convert a basement - £39,075