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Need to find an Extension Builder near you for all your extension buildering work?
TK Builders provides a local, trusted extension builderi...
MM Building Services is an established and experienced local extension builder in Cramlington. Please contact us for a free, no obligation quote an...
Cramlington, NE23
Trusted and professional extension builder in Cramlington. Experienced in all extension buildering work and keeping within budget and on quote. DGS...
Arrowhead Construction is a trusted extension builder serving customers in Cramlington and the surrounding area. Contact us to today to get a compe...
Relax... you have found a reliable extension builder in Cramlington. SB Building Solutions is a friendly and reliable company based in Cramlington ...
JT Roofing is an established and experienced local extension builder in Cramlington. Please contact us for a free, no obligation quote and competit...
Relax... you have found a reliable extension builder in Cramlington. J3 BUILDING SOLUTIONS LTD is a friendly and reliable company based in Cramling...
Relax... you have found a reliable extension builder in Cramlington. Gdt builders is a friendly and reliable company based in Cramlington who consi...
From £22,880
Cramlington, NE23
Experienced extension builder ready to quote for your work. Premier Preservations Ltd is the best extension builder in Cramlington. No obligation f...
From £22,152
We cover all of your building needs from house conversions, extensions, kitchens, bathrooms, room design, bespoke features and much more.Contact us...

A flat roof extension ranges from the cheapest of £21,720 (J3 BUILDING SOLUTIONS LTD based in NE61) to the dearest of £22,880 (Premier Preservations Ltd based in NE23), 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 Cramlington by posting a job with HaMuch. We'll send it to extension builders in Cramlington.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Cramlington | £36 | £256 |
| Build A Flat Roof Extension near Blyth | £42 | £288 |
| Build A Flat Roof Extension near Whitley Bay | £38 | £268 |
| Build A Flat Roof Extension near Longbenton | £34 | £234 |
| Build A Flat Roof Extension near North Tyneside | £35 | £253 |
| Build A Flat Roof Extension near Wallsend | £34 | £245 |
| Build A Flat Roof Extension near Ashington | £44 | £280 |
| Build A Flat Roof Extension near Tynemouth | £36 | £257 |
| Build A Flat Roof Extension near Newcastle Upon Tyne | £33 | £236 |
| Build A Flat Roof Extension near Hebburn | £34 | £246 |
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 - £17,572

Two storey extension - £88,108

Build a timber frame extension - £26,072

Build a swimming pool - £81,072

Single storey extension - £56,440

Side return extension - £42,310

Install an RSJ - £2,272

Outbuilding - £10,072

Build a Mansard loft conversion - £52,072

Loft conversion - £34,425

Build a kitchen extension - £42,072

Hip to gable loft conversion - £42,072

Granny annexe - £87,072

Garden office - £10,072

Convert a Garage - £16,072

Garage - £18,572

Build a flat roof extension - £22,072

Build a dormer loft conversion - £42,072

Concrete foundations - £6,322

Convert a bungalow loft - £29,072

Convert a basement - £38,310