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Have Faith Plasterers is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote an...
Birmingham, B44
Need an Extension Builder in Birmingham? D&J Advanced Builders has been helping local clients (20 mile radius) with their extension buildering jobs...
Birmingham, B44
Relax... you have found a reliable extension builder in Birmingham. MD Services is a friendly and reliable company based in Birmingham who consider...
Birmingham, B44
Dave Mattock is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote and competi...
Experienced extension builder ready to quote for your work. Plowman & Wood is the best extension builder in Birmingham. No obligation free quotes a...
Oakham Brickwork is an established extension buildering business in Birmingham. We come highly recommended and provide competitive quotes for your ...
Relax... you have found a reliable extension builder in Birmingham. Tucker Construction is a friendly and reliable company based in Birmingham who ...
SM&S General Property Repairs is a trusted extension builder serving customers in Birmingham and the surrounding area. Contact us to today to get a...
Wilson & Son is an established and experienced local extension builder in Birmingham. Please contact us for a free, no obligation quote and competi...
Need to find an Extension Builder near you for all your extension buildering work?
Michael Locke Garage Doors provides a local, trusted ext...

A flat roof extension ranges from the cheapest of £21,568 (Dave Mattock based in B44) to the dearest of £21,984 (Have Faith Plasterers based in B70), 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 Birmingham by posting a job with HaMuch. We'll send it to extension builders in Birmingham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Birmingham | £29 | £229 |
| Build A Flat Roof Extension near Smethwick | £29 | £230 |
| Build A Flat Roof Extension near Oldbury | £29 | £229 |
| Build A Flat Roof Extension near West Bromwich | £29 | £228 |
| Build A Flat Roof Extension near Sutton Coldfield | £29 | £228 |
| Build A Flat Roof Extension near Sandwell | £29 | £231 |
| Build A Flat Roof Extension near Halesowen | £28 | £225 |
| Build A Flat Roof Extension near Rowley Regis | £29 | £228 |
| Build A Flat Roof Extension near Solihull | £29 | £231 |
| Build A Flat Roof Extension near Wednesbury | £29 | £230 |
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 - £17,333

Two storey extension - £87,749

Build a timber frame extension - £25,833

Build a swimming pool - £80,833

Single storey extension - £51,656

Side return extension - £39,619

Install an RSJ - £2,033

Outbuilding - £9,833

Build a Mansard loft conversion - £51,833

Loft conversion - £32,183

Build a kitchen extension - £41,833

Hip to gable loft conversion - £41,833

Granny annexe - £86,833

Garden office - £9,833

Convert a Garage - £15,833

Garage - £18,333

Build a flat roof extension - £21,833

Build a dormer loft conversion - £41,833

Concrete foundations - £6,083

Convert a bungalow loft - £28,833

Convert a basement - £35,619