From £22,400
Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...
From £22,152
Relax... you have found a reliable extension builder in East Of England. CROWNBUILD is a friendly and reliable company based in East Of England who...
From £22,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,880
Need an Extension Builder in East Of England? Mc2 Building Services has been helping local clients (20 mile radius) with their extension buildering...
From £23,360
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in East Of England. No obl...
From £22,088
Eric Handyman- builder is an established and experienced local extension builder in East Of England. Please contact us for a free, no obligation qu...
From £21,568
We are a family business providing a one stop shop to meet all your building and renervation needs
From £22,072
Relax... you have found a reliable extension builder in East Of England. D Stebbings is a friendly and reliable company based in East Of England wh...
From £22,384
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
From £22,016
Need to find an Extension Builder near you for all your extension buildering work?
A Sindall Building provides a local, trusted extension b...

A flat roof extension ranges from the cheapest of £21,568 (Sean W Scott General Builder based in IP28) to the dearest of £23,360 (ALLIED BUILDING ASSOCIATES LTD based in CB22), 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 East Of England by posting a job with HaMuch. We'll send it to extension builders in East Of England.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Haverhill | £37 | £260 |
| Build A Flat Roof Extension near Bury St Edmunds | £34 | £251 |
| Build A Flat Roof Extension near Ely | £40 | £279 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Cambridge | £38 | £271 |
| Build A Flat Roof Extension near Thetford | £42 | £277 |
| Build A Flat Roof Extension near South Cambridgeshire | £43 | £305 |
| Build A Flat Roof Extension near Stowmarket | £30 | £221 |
| Build A Flat Roof Extension near Braintree | £37 | £247 |
| Build A Flat Roof Extension near Bishop's Stortford | £42 | £264 |
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 - £17,719

Two storey extension - £88,329

Build a timber frame extension - £26,219

Build a swimming pool - £81,219

Single storey extension - £59,384

Side return extension - £43,966

Install an RSJ - £2,419

Outbuilding - £10,219

Build a Mansard loft conversion - £52,219

Loft conversion - £35,805

Build a kitchen extension - £42,219

Hip to gable loft conversion - £42,219

Granny annexe - £87,219

Garden office - £10,219

Convert a Garage - £16,219

Garage - £18,719

Build a flat roof extension - £22,219

Build a dormer loft conversion - £42,219

Concrete foundations - £6,469

Convert a bungalow loft - £29,219

Convert a basement - £39,966