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Lee Jones
Jones Masonry Ltd is a trusted extension builder serving customers in Dewsbury and the surrounding area. Contact us to today to get a competitive q...
Experienced extension builder ready to quote for your work. L J Robson (Contracts) Ltd is the best extension builder in Dewsbury. No obligation fre...
Dave Harrison
DAVID HARRISON BUILDING are here to help customers who need an Extension Builder in Dewsbury. We offer a competitive rate to complete all your exte...
Need an Extension Builder in Dewsbury? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension buildering job...
PR Brick & Stone is an established extension buildering business in Dewsbury. We come highly recommended and provide competitive quotes for your wo...
Trusted and professional extension builder in Dewsbury. Experienced in all extension buildering work and keeping within budget and on quote. Garage...
Paul Brook Quality Builder is a trusted extension builder serving customers in Dewsbury and the surrounding area. Contact us to today to get a comp...
Relax... you have found a reliable extension builder in Dewsbury. Walkden Bricklaying is a friendly and reliable company based in Dewsbury who cons...
SJL Construction is a trusted extension builder serving customers in Dewsbury and the surrounding area. Contact us to today to get a competitive qu...
Relax... you have found a reliable extension builder in Dewsbury. Foundation Building Services is a friendly and reliable company based in Dewsbury...

A flat roof extension ranges from the cheapest of £21,664 (Walkden Bricklaying based in HD5) to the dearest of £22,312 (Jones Masonry Ltd based in BD19), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Dewsbury by posting a job with HaMuch. We'll send it to extension builders in Dewsbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Dewsbury | £33 | £245 |
| Build A Flat Roof Extension near Ossett | £33 | £245 |
| Build A Flat Roof Extension near Batley | £32 | £239 |
| Build A Flat Roof Extension near Mirfield | £31 | £236 |
| Build A Flat Roof Extension near Morley | £31 | £239 |
| Build A Flat Roof Extension near Wakefield | £31 | £240 |
| Build A Flat Roof Extension near Brighouse | £30 | £230 |
| Build A Flat Roof Extension near Beeston | £31 | £236 |
| Build A Flat Roof Extension near Huddersfield | £29 | £224 |
| Build A Flat Roof Extension near Pudsey | £30 | £227 |
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 - £17,385

Two storey extension - £87,827

Build a timber frame extension - £25,885

Build a swimming pool - £80,885

Single storey extension - £52,696

Side return extension - £40,204

Install an RSJ - £2,085

Outbuilding - £9,885

Build a Mansard loft conversion - £51,885

Loft conversion - £32,670

Build a kitchen extension - £41,885

Hip to gable loft conversion - £41,885

Granny annexe - £86,885

Garden office - £9,885

Convert a Garage - £15,885

Garage - £18,385

Build a flat roof extension - £21,885

Build a dormer loft conversion - £41,885

Concrete foundations - £6,135

Convert a bungalow loft - £28,885

Convert a basement - £36,204