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S.L.P Property Maintenance
Need to find an Extension Builder near you for all your extension buildering work?
S.L.P Property Maintenance provides a local, trusted ext...
"Two storey extension" - L10, job posted 13/09/26
Derek J Platt & Co
Need to find an Extension Builder near you for all your extension buildering work?
Derek J Platt & Co provides a local, trusted extension b...
"Loft conversion" - L31, job posted 04/07/26
Robuild - Waterwise
Robuild - Waterwise is an established extension buildering business in Crosby. We come highly recommended and provide competitive quotes for your w...
"Flat roof extension" - FORMBY, job posted 23/11/24
DW Brickwork
Trusted and professional extension builder in Crosby. Experienced in all extension buildering work and keeping within budget and on quote. DW Brick...
G J Builders Wirral
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
P & P Building Services
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Crosby. No obligation free quo...
J.M.C Building Services
J.M.C Building Services is a trusted extension builder serving customers in Crosby and the surrounding area. Contact us to today to get a competiti...
KM Building Services
Relax... you have found a reliable extension builder in Crosby. KM Building Services is a friendly and reliable company based in Crosby who conside...
Render & External Insulation Specialist
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bob the Builder
Need an Extension Builder in Crosby? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
BTC Bernstef Ltd
Crosby, L23
BTC Bernstef Ltd is an established extension buildering business in Crosby. We come highly recommended and provide competitive quotes for your work...
T&T Building Contractors
Thomas Healey
Need an Extension Builder in Crosby? T&T Building Contractors has been helping local clients (20 mile radius) with their extension buildering jobs ...
CJ Construction
CJ Construction are here to help customers who need an Extension Builder in Crosby. We offer a competitive rate to complete all your extension buil...
Liverpool Builder
Liverpool Builder is an established extension buildering business in Crosby. We come highly recommended and provide competitive quotes for your wor...
J J Nuttall Specialist Roofing Ltd
J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in Crosby. We offer a competitive rate to complete all ...
MA Roofing & Building Services
Trusted and professional extension builder in Crosby. Experienced in all extension buildering work and keeping within budget and on quote. MA Roofi...
dbd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Oxygen Property Partners
Experienced extension builder ready to quote for your work. Oxygen Property Partners is the best extension builder in Crosby. No obligation free q...
Art Henry's
Art Henry's are here to help customers who need an Extension Builder in Crosby. We offer a competitive rate to complete all your extension builderi...
Hyst
Relax... you have found a reliable extension builder in Crosby. Hyst is a friendly and reliable company based in Crosby who consider no job as too ...
Compare Crosby extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Crosby | £35 | £234 |
| Extension Builders near Sefton | £35 | £234 |
| Extension Builders near Bootle | £33 | £228 |
| Extension Builders near Maghull | £34 | £231 |
| Extension Builders near Formby | £28 | £206 |
| Extension Builders near Wallasey | £32 | £224 |
| Extension Builders near Kirkby | £31 | £224 |
| Extension Builders near Liverpool | £31 | £222 |
| Extension Builders near Birkenhead | £31 | £219 |
| Extension Builders near Ormskirk | £29 | £206 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,808

Garden office - £9,808

Granny annexe - £86,808

Build a flat roof extension - £21,808

Convert a Garage - £15,808

Hip to gable loft conversion - £41,808

Convert a bungalow loft - £28,808

Build a dormer loft conversion - £41,808

Build a swimming pool - £80,808

Build a Mansard loft conversion - £51,808

Concrete foundations - £6,058

Underpin a building - £17,308

Two storey extension - £87,712

Convert a basement - £35,340

Side return extension - £39,340

Loft conversion - £31,950

Garage - £18,308

Single storey extension - £51,160

Outbuilding - £9,808

Install an RSJ - £2,008

Build a kitchen extension - £41,808
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