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Benchmark Builders
Benchmark Builders is a trusted extension builder serving customers in Calderdale and the surrounding area. Contact us to today to get a competitiv...
"Loft conversion" - MORDEN, job posted 08/06/25
Robbie Robinson
Need to find an Extension Builder near you for all your extension buildering work?
Robbie Robinson provides a local, trusted extension buil...
"Loft conversion" - MORDEN, job posted 27/05/25
MEP Building Services
Need to find an Extension Builder near you for all your extension buildering work?
MEP Building Services provides a local, trusted extensio...
"Kitchen extension" - CALDERDALE, job posted 30/03/25
T Dickinson
T Dickinson are here to help customers who need an Extension Builder in Calderdale. We offer a competitive rate to complete all your extension buil...
"Single storey extension" - CALDERDALE, job posted 11/01/25
£33/hr
£251/day
RG Decorators
RG Decorators is an established and experienced local extension builder in Calderdale. Please contact us for a free, no obligation quote and compet...
"Two storey extension" - CALDERDALE, job posted 11/01/25
£31/hr
£232/day
MM Building Services
MM Building Services is a trusted extension builder serving customers in Calderdale and the surrounding area. Contact us to today to get a competit...
"Kitchen extension" - CALDERDALE, job posted 26/05/24
£25/hr
£196/day
GARY INGHAM JOINERY & BLDG LTD
Gary Ingham
Trusted and professional extension builder in Calderdale. Experienced in all extension buildering work and keeping within budget and on quote. GARY...
"Loft conversion" - CALDERDALE, job posted 17/12/23
£74/hr
£590/day
Diamond Construction (Glazing)
Relax... you have found a reliable extension builder in Calderdale. Diamond Construction (Glazing) is a friendly and reliable company based in Cald...
"Loft conversion" - CALDERDALE, job posted 01/09/23
£31/hr
£228/day
Swinteriors
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£33/hr
£250/day
H & D CONSTRUCTION
H & D CONSTRUCTION is an established and experienced local extension builder in Calderdale. Please contact us for a free, no obligation quote and c...
£31/hr
£234/day
Project Home UK Ltd
Project Home UK Ltd is an established and experienced local extension builder in Calderdale. Please contact us for a free, no obligation quote and ...
£31/hr
£233/day
Haven Building and Maintenance Ltd
Haven Building and Maintenance Ltd is a trusted extension builder serving customers in Calderdale and the surrounding area. Contact us to today to ...
Compare Calderdale extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Calderdale | £33 | £253 |
| Extension Builders near Halifax | £32 | £243 |
| Extension Builders near Brighouse | £30 | £230 |
| Extension Builders near Keighley | £30 | £226 |
| Extension Builders near Bingley | £30 | £229 |
| Extension Builders near Bradford | £29 | £225 |
| Extension Builders near Huddersfield | £29 | £224 |
| Extension Builders near Burnley | £29 | £219 |
| Extension Builders near Nelson | £27 | £214 |
| Extension Builders near Rochdale | £30 | £221 |
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 - £26,056

Garden office - £10,056

Granny annexe - £87,056

Build a flat roof extension - £22,056

Convert a Garage - £16,056

Hip to gable loft conversion - £42,056

Convert a bungalow loft - £29,056

Build a dormer loft conversion - £42,056

Build a swimming pool - £81,056

Build a Mansard loft conversion - £52,056

Concrete foundations - £6,306

Underpin a building - £17,556

Two storey extension - £88,084

Convert a basement - £38,130

Side return extension - £42,130

Loft conversion - £34,275

Garage - £18,556

Single storey extension - £56,120

Outbuilding - £10,056

Install an RSJ - £2,256

Build a kitchen extension - £42,056
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