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Lee Jones
Jones Masonry Ltd is a trusted extension builder serving customers in Clayton and the surrounding area. Contact us to today to get a competitive qu...
Need to find an Extension Builder near you for all your extension buildering work?
Robbie Robinson provides a local, trusted extension buil...
Need to find an Extension Builder near you for all your extension buildering work?
MEP Building Services provides a local, trusted extensio...
Operating across Yorkshire and offering all joinery works to suit your needs, we can beat any genuine quote. Our commitment to craftsmanship ensure...
Robert Gladwin
RG Decorators is an established and experienced local extension builder in Clayton. Please contact us for a free, no obligation quote and competiti...
Benchmark Builders is a trusted extension builder serving customers in Clayton and the surrounding area. Contact us to today to get a competitive q...
Need an Extension Builder in Clayton? LRS Maintenance & Property Renovators has been helping local clients (20 mile radius) with their extension bu...
Relax... you have found a reliable extension builder in Clayton. MS General is a friendly and reliable company based in Clayton who consider no job...
Experienced extension builder ready to quote for your work. L J Robson (Contracts) Ltd is the best extension builder in Clayton. No obligation free...
Dave Harrison
DAVID HARRISON BUILDING are here to help customers who need an Extension Builder in Clayton. We offer a competitive rate to complete all your exten...

A flat roof extension ranges from the cheapest of £21,648 (Robbie Robinson based in HX2) to the dearest of £22,312 (Jones Masonry Ltd based in BD19), 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 Clayton by posting a job with HaMuch. We'll send it to extension builders in Clayton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bradford | £29 | £225 |
| Build A Flat Roof Extension near Bingley | £30 | £229 |
| Build A Flat Roof Extension near Halifax | £32 | £243 |
| Build A Flat Roof Extension near Shipley | £29 | £226 |
| Build A Flat Roof Extension near Brighouse | £30 | £230 |
| Build A Flat Roof Extension near Pudsey | £30 | £227 |
| Build A Flat Roof Extension near Keighley | £30 | £226 |
| Build A Flat Roof Extension near Calderdale | £33 | £253 |
| Build A Flat Roof Extension near Batley | £32 | £239 |
| Build A Flat Roof Extension near Mirfield | £31 | £236 |
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 - £17,413

Two storey extension - £87,869

Build a timber frame extension - £25,913

Build a swimming pool - £80,913

Single storey extension - £53,256

Side return extension - £40,519

Install an RSJ - £2,113

Outbuilding - £9,913

Build a Mansard loft conversion - £51,913

Loft conversion - £32,933

Build a kitchen extension - £41,913

Hip to gable loft conversion - £41,913

Granny annexe - £86,913

Garden office - £9,913

Convert a Garage - £15,913

Garage - £18,413

Build a flat roof extension - £21,913

Build a dormer loft conversion - £41,913

Concrete foundations - £6,163

Convert a bungalow loft - £28,913

Convert a basement - £36,519