From £50,200
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 £53,080
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 £50,360
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 £48,440
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 £52,600
Need to find an Extension Builder near you for all your extension buildering work?
Sbetts Building provides a local, trusted extension buil...
From £49,240
PARKFIELD CONSTRUCTION LTD is an established extension buildering business in Bootle. We come highly recommended and provide competitive quotes for...
From £53,240
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 £53,720
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 £44,440
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 £54,360
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

"L shape extention with doom loft" - L4 27/01/2026
"Single storey extension" - L4 14/08/2026
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Bootle | £32 | £223 |
| Single Storey Extension near Crosby | £34 | £223 |
| Single Storey Extension near Liverpool | £31 | £222 |
| Single Storey Extension near Wallasey | £33 | £224 |
| Single Storey Extension near Sefton | £34 | £221 |
| Single Storey Extension near Birkenhead | £31 | £219 |
| Single Storey Extension near Kirkby | £31 | £222 |
| Single Storey Extension near Maghull | £33 | £219 |
| Single Storey Extension near Wirral | £31 | £219 |
| Single Storey Extension 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