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Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in Glastonbury. No obligation fre...
Trusted and professional extension builder in Glastonbury. Experienced in all extension buildering work and keeping within budget and on quote. MIC...

A flat roof extension ranges from the cheapest of £21,528 (C O JOYCE LIMITED based in BA16) to the dearest of £22,184 (MICHAEL PARKER BUILDING CONTR. based in BS28), 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 Glastonbury by posting a job with HaMuch. We'll send it to extension builders in Glastonbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near South Somerset | £62 | £270 |
| Build A Flat Roof Extension near Bridgwater | £30 | £236 |
| Build A Flat Roof Extension near Yeovil | £34 | £294 |
| Build A Flat Roof Extension near Bath | £32 | £249 |
| Build A Flat Roof Extension near North Somerset | £32 | £245 |
| Build A Flat Roof Extension near Frome | £33 | £263 |
| Build A Flat Roof Extension near Weston-super-Mare | £33 | £253 |
| Build A Flat Roof Extension near Taunton | £31 | £242 |
| Build A Flat Roof Extension near Keynsham | £33 | £251 |
| Build A Flat Roof Extension near Clevedon | £32 | £243 |
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 - £17,388

Two storey extension - £87,832

Build a timber frame extension - £25,888

Build a swimming pool - £80,888

Single storey extension - £52,760

Side return extension - £40,240

Install an RSJ - £2,088

Outbuilding - £9,888

Build a Mansard loft conversion - £51,888

Loft conversion - £32,700

Build a kitchen extension - £41,888

Hip to gable loft conversion - £41,888

Granny annexe - £86,888

Garden office - £9,888

Convert a Garage - £15,888

Garage - £18,388

Build a flat roof extension - £21,888

Build a dormer loft conversion - £41,888

Concrete foundations - £6,138

Convert a bungalow loft - £28,888

Convert a basement - £36,240