From £21,864
Need to find an Extension Builder near you for all your extension buildering work?
Axminster Design and Build Limited provides a local, tru...
From £22,024
Experienced extension builder ready to quote for your work. LYME BAY BUILDING CO LTD is the best extension builder in EX13. No obligation free quot...
From £22,488
Trusted and professional extension builder in EX13. Experienced in all extension buildering work and keeping within budget and on quote. Mew Develo...
From £21,984
Professional personnel local service with personally over 30 years in trade and word of mouth customers within a 25mile radius. Strive to giv...
From £22,072
Need to find an Extension Builder near you for all your extension buildering work?
CB Construction provides a local, trusted extension buil...
From £22,136
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £22,184
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in EX13. No obligation free quotes ...
From £21,720
Relax... you have found a reliable extension builder in EX13. Chris Field General Builder is a friendly and reliable company based in EX13 who cons...
From £22,128
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in EX13. Please contact us for a free, no obligation quote and...
From £22,128
M J MUDFORD BUILDG CONTRACTOR is a trusted extension builder serving customers in EX13 and the surrounding area. Contact us to today to get a compe...

A flat roof extension ranges from the cheapest of £21,720 (Chris Field General Builder based in EX11) to the dearest of £22,488 (Mew Developments Ltd based in DT7), 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 EX13 by posting a job with HaMuch. We'll send it to extension builders in EX13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near East Devon | £27 | £221 |
| Build A Flat Roof Extension near Taunton | £31 | £242 |
| Build A Flat Roof Extension near Yeovil | £34 | £294 |
| Build A Flat Roof Extension near Exmouth | £24 | £210 |
| Build A Flat Roof Extension near South Somerset | £62 | £270 |
| Build A Flat Roof Extension near Tiverton | £25 | £202 |
| Build A Flat Roof Extension near Bridgwater | £30 | £236 |
| Build A Flat Roof Extension near Exeter | £27 | £221 |
| Build A Flat Roof Extension near Dorchester | £30 | £230 |
| Build A Flat Roof Extension near Weymouth | £33 | £260 |
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 - £17,573

Two storey extension - £88,109

Build a timber frame extension - £26,073

Build a swimming pool - £81,073

Single storey extension - £56,456

Side return extension - £42,319

Install an RSJ - £2,273

Outbuilding - £10,073

Build a Mansard loft conversion - £52,073

Loft conversion - £34,433

Build a kitchen extension - £42,073

Hip to gable loft conversion - £42,073

Granny annexe - £87,073

Garden office - £10,073

Convert a Garage - £16,073

Garage - £18,573

Build a flat roof extension - £22,073

Build a dormer loft conversion - £42,073

Concrete foundations - £6,323

Convert a bungalow loft - £29,073

Convert a basement - £38,319