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A.B Building Services Ltd
Relax... you have found a reliable extension builder in Birkenhead. A.B Building Services Ltd is a friendly and reliable company based in Birkenhea...
"Single storey extension" - L4, job posted 14/08/26
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...
"Kitchen extension" - LIVERPOOL, job posted 02/07/26
Robuild - Waterwise
Robuild - Waterwise is an established extension buildering business in Birkenhead. We come highly recommended and provide competitive quotes for yo...
"RSJ installation" - LIVERPOOL, job posted 21/06/26
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" - CH41, job posted 09/06/26
DW Brickwork
Trusted and professional extension builder in Birkenhead. Experienced in all extension buildering work and keeping within budget and on quote. DW B...
"Dormer loft conversion" - BEBINGTON, job posted 14/05/26
PK.Builders
Need an Extension Builder in Birkenhead? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
"Single storey extension" - WIRRAL, job posted 23/04/26
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...
"Loft conversion" - WIRRAL, job posted 22/03/26
Danny Anderson Builder
Danny Anderson
Danny Anderson Builder is an established extension buildering business in Birkenhead. We come highly recommended and provide competitive quotes for...
"Dormer loft conversion" - L18, job posted 25/02/26
NIGEL WILLIAMS BUILDING LTD
Experienced extension builder ready to quote for your work. NIGEL WILLIAMS BUILDING LTD is the best extension builder in Birkenhead. No obligation ...
"RSJ installation" - WIRRAL, job posted 01/02/26
Nathan Thomas Plumbing
Nathan Thomas
Nathan Thomas Plumbing is an established extension buildering business in Birkenhead. We come highly recommended and provide competitive quotes for...
"Convert a garage make a utility room and a small toilet and a living room with a slant roof and knock through to the main residence." - CH49, job posted 28/01/26
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 Birkenhead. No obligation free...
"Loft conversion" - LIVERPOOL, job posted 28/01/26
J.M.C Building Services
J.M.C Building Services is a trusted extension builder serving customers in Birkenhead and the surrounding area. Contact us to today to get a compe...
"L shape extention with doom loft" - L4, job posted 27/01/26
KM Building Services
Relax... you have found a reliable extension builder in Birkenhead. KM Building Services is a friendly and reliable company based in Birkenhead who...
"Hip to gable loft conversion" - WIRRAL, job posted 21/11/25
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...
"Two storey extension" - LIVERPOOL, job posted 12/10/25
Bob the Builder
Need an Extension Builder in Birkenhead? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for m...
"Loft conversion" - LIVERPOOL, job posted 04/10/25
R J Property Maintenance & Repair
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - LIVERPOOL, job posted 24/09/25
SJBuild Ltd
Sean Mooney
SJBuild Ltd is an established and experienced local extension builder in Birkenhead. Please contact us for a free, no obligation quote and competit...
"Kitchen extension" - L15, job posted 24/08/25
BTC Bernstef Ltd
BTC Bernstef Ltd is an established extension buildering business in Birkenhead. We come highly recommended and provide competitive quotes for your ...
"Swimming pool" - LIVERPOOL, job posted 19/07/25
T&T Building Contractors
Thomas Healey
Need an Extension Builder in Birkenhead? T&T Building Contractors has been helping local clients (20 mile radius) with their extension buildering j...
"Two storey extension" - LIVERPOOL, job posted 10/07/25
CJ Construction
CJ Construction are here to help customers who need an Extension Builder in Birkenhead. We offer a competitive rate to complete all your extension ...
"Loft conversion" - WIRRAL, job posted 26/06/25
Compare Birkenhead extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Birkenhead | £31 | £219 |
| Extension Builders near Wallasey | £32 | £224 |
| Extension Builders near Liverpool | £31 | £222 |
| Extension Builders near Wirral | £31 | £219 |
| Extension Builders near Bebington | £31 | £222 |
| Extension Builders near Bootle | £33 | £228 |
| Extension Builders near Heswall | £30 | £213 |
| Extension Builders near Crosby | £35 | £234 |
| Extension Builders near Sefton | £35 | £234 |
| Extension Builders near Kirkby | £31 | £224 |
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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