From £17,068
Timber Master LTD are here to help customers who need an Extension Builder in CV23. We offer a competitive rate to complete all your extension buil...
From £17,204
Experienced extension builder ready to quote for your work. AmCam Construction is the best extension builder in CV23. No obligation free quotes and...
From £17,460
P Harding Home Improvements is an established and experienced local extension builder in CV23. Please contact us for a free, no obligation quote an...
From £17,156
CW Construction are here to help customers who need an Extension Builder in CV23. We offer a competitive rate to complete all your extension builde...
From £17,428
GRB Building & Roofing is a trusted extension builder serving customers in CV23 and the surrounding area. Contact us to today to get a competitive ...
From £17,316
Arvin Carpentry and Building Services was founded in 2011. We specialise in Bespoke Carpentry, Extensions, and Full Home Refurbishments. Managing D...
From £17,356
Our building services company Thomas Ford Construction Ltd was established in 2017, but have been providing quality building services in Rugby and ...
From £17,420
BTDoor Repairs is an established extension buildering business in CV23. We come highly recommended and provide competitive quotes for your work.
From £17,164
Need to find an Extension Builder near you for all your extension buildering work?
MIDDLEMARCH CONSTRUCTION LTD provides a local, trusted e...
From £17,316
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,068 (Timber Master LTD based in CV22) to £17,460 (P Harding Home Improvements based in CV22), 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 CV23 by posting a job with HaMuch and we will send it to extension builders in CV23.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Rugby | £31 | £224 |
| Underpin A Building near Coventry | £28 | £222 |
| Underpin A Building near Kenilworth | £29 | £224 |
| Underpin A Building near Daventry | £31 | £230 |
| Underpin A Building near Bedworth | £28 | £219 |
| Underpin A Building near Nuneaton & Bedworth | £28 | £219 |
| Underpin A Building near Leamington Spa | £27 | £212 |
| Underpin A Building near Hinckley | £29 | £224 |
| Underpin A Building near Warwick | £28 | £213 |
| Underpin A Building near Nuneaton | £29 | £225 |
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 - £17,289

Two storey extension - £87,683

Build a timber frame extension - £25,789

Build a swimming pool - £80,789

Single storey extension - £50,776

Side return extension - £39,124

Install an RSJ - £1,989

Outbuilding - £9,789

Build a Mansard loft conversion - £51,789

Loft conversion - £31,770

Build a kitchen extension - £41,789

Hip to gable loft conversion - £41,789

Granny annexe - £86,789

Garden office - £9,789

Convert a Garage - £15,789

Garage - £18,289

Build a flat roof extension - £21,789

Build a dormer loft conversion - £41,789

Concrete foundations - £6,039

Convert a bungalow loft - £28,789

Convert a basement - £35,124