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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...

Costs range from £87,892 (Flitton Bros Property Ltd based in LU6) to £88,744 (Mat al construction ltd based in LU5), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Thorn.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Dunstable | £41 | £274 |
| Two Storey Extension near Luton | £42 | £279 |
| Two Storey Extension near Leighton Buzzard | £38 | £270 |
| Two Storey Extension near Mid Bedfordshire | £42 | £276 |
| Two Storey Extension near Ampthill | £38 | £258 |
| Two Storey Extension near Harpenden | £45 | £282 |
| Two Storey Extension near Berkhamsted | £41 | £273 |
| Two Storey Extension near Bletchley | £39 | £265 |
| Two Storey Extension near Hemel Hempstead | £43 | £276 |
| Two Storey 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