From £17,260
Bootle, L20
CJ Construction are here to help customers who need an Extension Builder in Bootle. We offer a competitive rate to complete all your extension buil...
From £17,404
Bootle, L20
Need an Extension Builder in Bootle? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £17,268
Relax... you have found a reliable extension builder in Bootle. KM Building Services is a friendly and reliable company based in Bootle who conside...
From £17,172
J.M.C Building Services is a trusted extension builder serving customers in Bootle and the surrounding area. Contact us to today to get a competiti...
From £17,380
Need to find an Extension Builder near you for all your extension buildering work?
Sbetts Building provides a local, trusted extension buil...
From £17,212
PARKFIELD CONSTRUCTION LTD is an established extension buildering business in Bootle. We come highly recommended and provide competitive quotes for...
From £17,412
Need to find an Extension Builder near you for all your extension buildering work?
Derek J Platt & Co provides a local, trusted extension b...
From £17,436
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Bootle. No obligation free quo...
From £16,972
Bootle, L30
Trusted and professional extension builder in Bootle. Experienced in all extension buildering work and keeping within budget and on quote. Jones La...
From £17,468
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,972 (Jones Landscaping based in L30) to £17,468 (Dbd based in L3), 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 Bootle by posting a job with HaMuch and we will send it to extension builders in Bootle.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bootle | £32 | £223 |
| Underpin A Building near Crosby | £34 | £223 |
| Underpin A Building near Liverpool | £31 | £222 |
| Underpin A Building near Wallasey | £33 | £224 |
| Underpin A Building near Sefton | £34 | £221 |
| Underpin A Building near Birkenhead | £31 | £219 |
| Underpin A Building near Kirkby | £31 | £222 |
| Underpin A Building near Maghull | £33 | £219 |
| Underpin A Building near Wirral | £31 | £219 |
| Underpin A Building near Knowsley | £31 | £221 |
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 - £17,298

Two storey extension - £87,698

Build a timber frame extension - £25,798

Build a swimming pool - £80,798

Single storey extension - £50,968

Side return extension - £39,232

Install an RSJ - £1,998

Outbuilding - £9,798

Build a Mansard loft conversion - £51,798

Loft conversion - £31,860

Build a kitchen extension - £41,798

Hip to gable loft conversion - £41,798

Granny annexe - £86,798

Garden office - £9,798

Convert a Garage - £15,798

Garage - £18,298

Build a flat roof extension - £21,798

Build a dormer loft conversion - £41,798

Concrete foundations - £6,048

Convert a bungalow loft - £28,798

Convert a basement - £35,232