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Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in Street. No obligation free quo...
Trusted and professional extension builder in Street. Experienced in all extension buildering work and keeping within budget and on quote. MICHAEL ...
From £43,080
Experienced extension builder ready to quote for your work. Tim Stradling is the best extension builder in Street. No obligation free quotes and ma...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Street by posting a job with HaMuch and we will send it to extension builders in Street.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near South Somerset | £62 | £270 |
| Convert A Basement near Bridgwater | £30 | £236 |
| Convert A Basement near Yeovil | £34 | £294 |
| Convert A Basement near Taunton | £31 | £242 |
| Convert A Basement near Bath | £32 | £249 |
| Convert A Basement near Weston-super-Mare | £33 | £253 |
| Convert A Basement near North Somerset | £32 | £245 |
| Convert A Basement near Frome | £33 | £263 |
| Convert A Basement near Clevedon | £32 | £243 |
| Convert A Basement near Keynsham | £33 | £251 |
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 - £17,540

Two storey extension - £88,060

Build a timber frame extension - £26,040

Build a swimming pool - £81,040

Single storey extension - £55,800

Side return extension - £41,950

Install an RSJ - £2,240

Outbuilding - £10,040

Build a Mansard loft conversion - £52,040

Loft conversion - £34,125

Build a kitchen extension - £42,040

Hip to gable loft conversion - £42,040

Granny annexe - £87,040

Garden office - £10,040

Convert a Garage - £16,040

Garage - £18,540

Build a flat roof extension - £22,040

Build a dormer loft conversion - £42,040

Concrete foundations - £6,290

Convert a bungalow loft - £29,040

Convert a basement - £37,950