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Select your affordable WS11 extension builder
Infinity Property Improvements Limited are here to help customers who need an Extension Builder in WS11. We offer a competitive rate to complete al...
Empire Builders is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitiv...
From £31,425
Carl Mills
Need an Extension Builder in WS11? C A MILLS BUILDING CONTR LTD has been helping local clients (20 mile radius) with their extension buildering job...
From £34,650
RJB BUILDERS is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitive r...

Comparing extension builders estimates for Loft conversion 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 of a loft conversion in WS11 by posting your job to extension builders in WS11.
"Loft conversion" - BLOXWICH, job posted 04/11/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Cannock | £28 | £227 |
| Loft Conversion near Burntwood | £29 | £229 |
| Loft Conversion near Brownhills | £28 | £225 |
| Loft Conversion near Bloxwich | £28 | £225 |
| Loft Conversion near Rugeley | £30 | £230 |
| Loft Conversion near Walsall | £29 | £229 |
| Loft Conversion near Willenhall | £29 | £228 |
| Loft Conversion near Darlaston | £29 | £229 |
| Loft Conversion near Lichfield | £29 | £227 |
| Loft Conversion near Wolverhampton | £28 | £222 |
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 - £17,426

Two storey extension - £87,889

Build a timber frame extension - £25,926

Build a swimming pool - £80,926

Single storey extension - £53,520

Side return extension - £40,668

Install an RSJ - £2,126

Outbuilding - £9,926

Build a Mansard loft conversion - £51,926

Loft conversion - £33,056

Build a kitchen extension - £41,926

Hip to gable loft conversion - £41,926

Granny annexe - £86,926

Garden office - £9,926

Convert a Garage - £15,926

Garage - £18,426

Build a flat roof extension - £21,926

Build a dormer loft conversion - £41,926

Concrete foundations - £6,176

Convert a bungalow loft - £28,926

Convert a basement - £36,668