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Need an Extension Builder in Malmesbury? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £21,672
Need an Extension Builder in Malmesbury? MS BUILDING & RENOVATION LTD has been helping local clients (20 mile radius) with their extension builderi...
From £22,176
CDB Building services Ltd is a trusted extension builder serving customers in Malmesbury and the surrounding area. Contact us to today to get a com...

A flat roof extension ranges from the cheapest of £21,536 (R PEARCE BUILDING based in SN15) to the dearest of £22,176 (CDB Building services Ltd based in GL8), 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 Malmesbury by posting a job with HaMuch. We'll send it to extension builders in Malmesbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Chippenham | £34 | £258 |
| Build A Flat Roof Extension near Calne | £29 | £225 |
| Build A Flat Roof Extension near Stroud | £33 | £249 |
| Build A Flat Roof Extension near Thamesdown | £31 | £239 |
| Build A Flat Roof Extension near Swindon | £31 | £238 |
| Build A Flat Roof Extension near Stratton St Margaret | £32 | £238 |
| Build A Flat Roof Extension near Yate | £34 | £263 |
| Build A Flat Roof Extension near South Gloucestershire | £34 | £260 |
| Build A Flat Roof Extension near North Wiltshire | £32 | £242 |
| Build A Flat Roof Extension near West Wiltshire | £32 | £242 |
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 - £17,295

Two storey extension - £87,692

Build a timber frame extension - £25,795

Build a swimming pool - £80,795

Single storey extension - £50,893

Side return extension - £39,190

Install an RSJ - £1,995

Outbuilding - £9,795

Build a Mansard loft conversion - £51,795

Loft conversion - £31,825

Build a kitchen extension - £41,795

Hip to gable loft conversion - £41,795

Granny annexe - £86,795

Garden office - £9,795

Convert a Garage - £15,795

Garage - £18,295

Build a flat roof extension - £21,795

Build a dormer loft conversion - £41,795

Concrete foundations - £6,045

Convert a bungalow loft - £28,795

Convert a basement - £35,190