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Select your affordable Thorn extension builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Elena nuta Radu
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
Top Notch Tradesmen is an established and experienced local extension builder in Thorn. Please contact us for a free, no obligation quote and compe...
A.J Builders is an established and experienced local extension builder in Thorn. Please contact us for a free, no obligation quote and competitive ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Klajdi Progja
Need to find an Extension Builder near you for all your extension buildering work?
Mat al construction ltd provides a local, trusted exten...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
We use only the highest quality products, and you can rest assured knowing that we are fully certified and registered with the relevant authorities...
Trusted and professional extension builder in Thorn. Experienced in all extension buildering work and keeping within budget and on quote. Flitton B...

A flat roof extension ranges from the cheapest of £21,928 (Flitton Bros Property Ltd based in LU6) to the dearest of £22,496 (Mat al construction ltd based in LU5), 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 Thorn by posting a job with HaMuch. We'll send it to extension builders in Thorn.
"Flat roof extension" - LU4, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Dunstable | £41 | £274 |
| Build A Flat Roof Extension near Luton | £42 | £279 |
| Build A Flat Roof Extension near Leighton Buzzard | £38 | £270 |
| Build A Flat Roof Extension near Mid Bedfordshire | £42 | £276 |
| Build A Flat Roof Extension near Ampthill | £38 | £258 |
| Build A Flat Roof Extension near Harpenden | £45 | £282 |
| Build A Flat Roof Extension near Berkhamsted | £41 | £273 |
| Build A Flat Roof Extension near Bletchley | £39 | £265 |
| Build A Flat Roof Extension near Hemel Hempstead | £43 | £276 |
| Build A Flat Roof Extension near Hitchin | £43 | £283 |
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 - £17,683

Two storey extension - £88,275

Build a timber frame extension - £26,183

Build a swimming pool - £81,183

Single storey extension - £58,664

Side return extension - £43,561

Install an RSJ - £2,383

Outbuilding - £10,183

Build a Mansard loft conversion - £52,183

Loft conversion - £35,468

Build a kitchen extension - £42,183

Hip to gable loft conversion - £42,183

Granny annexe - £87,183

Garden office - £10,183

Convert a Garage - £16,183

Garage - £18,683

Build a flat roof extension - £22,183

Build a dormer loft conversion - £42,183

Concrete foundations - £6,433

Convert a bungalow loft - £29,183

Convert a basement - £39,561