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STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in Crewkerne. Please contact us for a free, no obligation quot...
Hraham Evans
Firestone Surfacing Ltd is a trusted extension builder serving customers in Crewkerne and the surrounding area. Contact us to today to get a compet...
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £22,072
Our building services company MDP Building Contractors has over 30 years of experience of helping customers in Yeovil and the surrounding area by p...

A flat roof extension ranges from the cheapest of £21,856 (Firestone Surfacing Ltd based in BA21) to the dearest of £22,136 (Allen and Woodard Building Contractors Limited based in TA19), 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 Crewkerne by posting a job with HaMuch. We'll send it to extension builders in Crewkerne.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Yeovil | £34 | £294 |
| Build A Flat Roof Extension near South Somerset | £62 | £270 |
| Build A Flat Roof Extension near Taunton | £31 | £242 |
| Build A Flat Roof Extension near Bridgwater | £30 | £236 |
| Build A Flat Roof Extension near Dorchester | £30 | £230 |
| Build A Flat Roof Extension near Weymouth | £33 | £260 |
| Build A Flat Roof Extension near East Devon | £27 | £221 |
| Build A Flat Roof Extension near Frome | £33 | £263 |
| Build A Flat Roof Extension near Exmouth | £24 | £210 |
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 - £17,548

Two storey extension - £88,072

Build a timber frame extension - £26,048

Build a swimming pool - £81,048

Single storey extension - £55,960

Side return extension - £42,040

Install an RSJ - £2,248

Outbuilding - £10,048

Build a Mansard loft conversion - £52,048

Loft conversion - £34,200

Build a kitchen extension - £42,048

Hip to gable loft conversion - £42,048

Granny annexe - £87,048

Garden office - £10,048

Convert a Garage - £16,048

Garage - £18,548

Build a flat roof extension - £22,048

Build a dormer loft conversion - £42,048

Concrete foundations - £6,298

Convert a bungalow loft - £29,048

Convert a basement - £38,040