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Select your affordable Newmarket extension builder
Newmarket, CB8
Relax... you have found a reliable extension builder in Newmarket. Adams & Eden Restoration is a friendly and reliable company based in Newmarket w...
From £22,120
Newmarket, CB8
John Kirk Building Ltd is an established extension buildering business in Newmarket. We come highly recommended and provide competitive quotes for ...
From £22,168
Newmarket, CB8
Experienced extension builder ready to quote for your work. J&G HARDING BUILDING SERVICES is the best extension builder in Newmarket. No obligation...
From £21,992
Newmarket, CB8
Trusted and professional extension builder in Newmarket. Experienced in all extension buildering work and keeping within budget and on quote. Doug ...
From £22,072
Trusted and professional extension builder in Newmarket. Experienced in all extension buildering work and keeping within budget and on quote. Forem...
From £21,888
Need to find an Extension Builder near you for all your extension buildering work?
Bespoke Build and Restoration ltd provides a local, trus...
From £22,000
All In One Building Services is an established and experienced local extension builder in Newmarket. Please contact us for a free, no obligation qu...
From £21,848
Need to find an Extension Builder near you for all your extension buildering work?
John Jarvis Builders provides a local, trusted extension...

A flat roof extension ranges from the cheapest of £21,848 (John Jarvis Builders based in IP28) to the dearest of £22,560 (Adams & Eden Restoration based in Cb8), 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 Newmarket by posting a job with HaMuch. We'll send it to extension builders in Newmarket.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Haverhill | £37 | £260 |
| Build A Flat Roof Extension near Ely | £40 | £279 |
| Build A Flat Roof Extension near Bury St Edmunds | £34 | £251 |
| Build A Flat Roof Extension near Cambridge | £41 | £275 |
| Build A Flat Roof Extension near South Cambridgeshire | £50 | £315 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Thetford | £42 | £277 |
| Build A Flat Roof Extension near Braintree | £37 | £247 |
| Build A Flat Roof Extension near Stowmarket | £30 | £221 |
| Build A Flat Roof Extension near Huntingdon | £38 | £284 |
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 - £17,581

Two storey extension - £88,122

Build a timber frame extension - £26,081

Build a swimming pool - £81,081

Single storey extension - £56,620

Side return extension - £42,411

Install an RSJ - £2,281

Outbuilding - £10,081

Build a Mansard loft conversion - £52,081

Loft conversion - £34,509

Build a kitchen extension - £42,081

Hip to gable loft conversion - £42,081

Granny annexe - £87,081

Garden office - £10,081

Convert a Garage - £16,081

Garage - £18,581

Build a flat roof extension - £22,081

Build a dormer loft conversion - £42,081

Concrete foundations - £6,331

Convert a bungalow loft - £29,081

Convert a basement - £38,411