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Need an Extension Builder in Calne? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for many...
Michael Walklett
All of our business is by recommendation. We have never advertised. We have been trading since 2001 and have our regular customers we have done var...
DSA CONSTRUCTION is an established extension buildering business in Calne. We come highly recommended and provide competitive quotes for your work....
Calne, SN11
Relax... you have found a reliable extension builder in Calne. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in Calne who c...
Wiltshire Builders is a trusted extension builder serving customers in Calne and the surrounding area. Contact us to today to get a competitive quo...
Relax... you have found a reliable extension builder in Calne. Lee Jackson Roofing Ltd is a friendly and reliable company based in Calne who consid...
From £21,872
Calne, SN11
MAKEPEACE BUILDING LTD is an established and experienced local extension builder in Calne. Please contact us for a free, no obligation quote and co...
From £21,864
Calne, SN11
Turnkey Building and Project Management founded on 20 years experience in high end construction and development.
From £21,800
Need an Extension Builder in Calne? PRO BUILD PROPERTIES LTD has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £21,856
Need to find an Extension Builder near you for all your extension buildering work?
Cole Brind Property Services provides a local, trusted e...

A flat roof extension ranges from the cheapest of £21,480 (RPM Services based in SN4) to the dearest of £22,112 (Wiltshire Builders based in SN15), 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 Calne by posting a job with HaMuch. We'll send it to extension builders in Calne.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Calne | £29 | £225 |
| Build A Flat Roof Extension near West Wiltshire | £32 | £242 |
| Build A Flat Roof Extension near North Wiltshire | £32 | £242 |
| Build A Flat Roof Extension near Devizes | £32 | £242 |
| Build A Flat Roof Extension near Chippenham | £34 | £258 |
| Build A Flat Roof Extension near Trowbridge | £34 | £266 |
| Build A Flat Roof Extension near Swindon | £31 | £238 |
| Build A Flat Roof Extension near Thamesdown | £31 | £239 |
| Build A Flat Roof Extension near Stratton St Margaret | £32 | £238 |
| Build A Flat Roof Extension near Yate | £34 | £263 |
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 - £17,319

Two storey extension - £87,729

Build a timber frame extension - £25,819

Build a swimming pool - £80,819

Single storey extension - £51,384

Side return extension - £39,466

Install an RSJ - £2,019

Outbuilding - £9,819

Build a Mansard loft conversion - £51,819

Loft conversion - £32,055

Build a kitchen extension - £41,819

Hip to gable loft conversion - £41,819

Granny annexe - £86,819

Garden office - £9,819

Convert a Garage - £15,819

Garage - £18,319

Build a flat roof extension - £21,819

Build a dormer loft conversion - £41,819

Concrete foundations - £6,069

Convert a bungalow loft - £28,819

Convert a basement - £35,466