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Select your affordable WS12 extension builder
Infinity Property Improvements Limited are here to help customers who need an Extension Builder in WS12. We offer a competitive rate to complete al...
Empire Builders is an established and experienced local extension builder in WS12. Please contact us for a free, no obligation quote and competitiv...
From £32,730
Experienced extension builder ready to quote for your work. LONGDON CONSTRUCTION LTD is the best extension builder in WS12. No obligation free quot...
From £38,580
RJB BUILDERS is an established and experienced local extension builder in WS12. Please contact us for a free, no obligation quote and competitive r...

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 WS12 by posting a job with HaMuch and we will send it to extension builders in WS12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Cannock | £28 | £227 |
| Convert A Basement near Burntwood | £29 | £229 |
| Convert A Basement near Rugeley | £30 | £230 |
| Convert A Basement near Brownhills | £28 | £225 |
| Convert A Basement near Bloxwich | £28 | £225 |
| Convert A Basement near Lichfield | £29 | £227 |
| Convert A Basement near Walsall | £29 | £229 |
| Convert A Basement near Stafford | £29 | £224 |
| Convert A Basement near Willenhall | £29 | £228 |
| Convert A Basement near Darlaston | £29 | £229 |
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 - £17,382

Two storey extension - £87,823

Build a timber frame extension - £25,882

Build a swimming pool - £80,882

Single storey extension - £52,640

Side return extension - £40,173

Install an RSJ - £2,082

Outbuilding - £9,882

Build a Mansard loft conversion - £51,882

Loft conversion - £32,644

Build a kitchen extension - £41,882

Hip to gable loft conversion - £41,882

Granny annexe - £86,882

Garden office - £9,882

Convert a Garage - £15,882

Garage - £18,382

Build a flat roof extension - £21,882

Build a dormer loft conversion - £41,882

Concrete foundations - £6,132

Convert a bungalow loft - £28,882

Convert a basement - £36,173