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Thanas Ntosti
Often, it is hard to find a plumber near you, particularly in the case of an emergency. NT Thanas has been providing trusted, rate...
Alan Hicks
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...
Need to find an Extension Builder near you for all your extension buildering work?
Picking your Local Builder provides a local, trusted ext...
Trusted and professional extension builder in Kingsthorpe. Experienced in all extension buildering work and keeping within budget and on quote. Nor...
Kingsthorpe, NN2
Walsh Builders Ltd is an established and experienced local extension builder in Kingsthorpe. Please contact us for a free, no obligation quote and ...
M Home Renovations is an established extension buildering business in Kingsthorpe. We come highly recommended and provide competitive quotes for yo...
Need an Extension Builder in Kingsthorpe? Twelftree Builders has been helping local clients (20 mile radius) with their extension buildering jobs f...
Relax... you have found a reliable extension builder in Kingsthorpe. Wright Building is a friendly and reliable company based in Kingsthorpe who co...
Need an Extension Builder in Kingsthorpe? DAB & K&G Building Services has been helping local clients (20 mile radius) with their extension builderi...
Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...

A flat roof extension ranges from the cheapest of £21,544 (A G Hicks Building Services based in NN3) to the dearest of £22,248 (Samrai Associates Limited based in NN3), 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 Kingsthorpe by posting a job with HaMuch. We'll send it to extension builders in Kingsthorpe.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Northampton | £35 | £239 |
| Build A Flat Roof Extension near Wellingborough | £39 | £251 |
| Build A Flat Roof Extension near Daventry | £31 | £230 |
| Build A Flat Roof Extension near Kettering | £34 | £237 |
| Build A Flat Roof Extension near Rushden | £34 | £231 |
| Build A Flat Roof Extension near Market Harborough | £31 | £217 |
| Build A Flat Roof Extension near Milton Keynes | £39 | £263 |
| Build A Flat Roof Extension near Rugby | £31 | £224 |
| Build A Flat Roof Extension near Corby | £30 | £214 |
| Build A Flat Roof Extension near South Bedfordshire | £45 | £278 |
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 - £17,394

Two storey extension - £87,842

Build a timber frame extension - £25,894

Build a swimming pool - £80,894

Single storey extension - £52,888

Side return extension - £40,312

Install an RSJ - £2,094

Outbuilding - £9,894

Build a Mansard loft conversion - £51,894

Loft conversion - £32,760

Build a kitchen extension - £41,894

Hip to gable loft conversion - £41,894

Granny annexe - £86,894

Garden office - £9,894

Convert a Garage - £15,894

Garage - £18,394

Build a flat roof extension - £21,894

Build a dormer loft conversion - £41,894

Concrete foundations - £6,144

Convert a bungalow loft - £28,894

Convert a basement - £36,312