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G. Finnigan Builders is an established extension buildering business in Ashton-in-makerfield. We come highly recommended and provide competitive qu...
Relax... you have found a reliable extension builder in Ashton-in-makerfield. Jc Properties is a friendly and reliable company based in Ashton-in-m...
J.T.Construction is a trusted extension builder serving customers in Ashton-in-makerfield and the surrounding area. Contact us to today to get a co...
Fixit Cheshire is an established and experienced local extension builder in Ashton-in-makerfield. Please contact us for a free, no obligation quote...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
NJD Joinery provides a local, trusted extension builderi...
Need an Extension Builder in Ashton-in-makerfield? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jo...
Mark Robinson
Trusted and professional extension builder in Ashton-in-makerfield. Experienced in all extension buildering work and keeping within budget and on q...
Trusted and professional extension builder in Ashton-in-makerfield. Experienced in all extension buildering work and keeping within budget and on q...

A flat roof extension ranges from the cheapest of £21,608 (M L R Building Services based in WA11) to the dearest of £21,992 (J.T.Construction based in WA5), 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 Ashton-in-makerfield by posting a job with HaMuch. We'll send it to extension builders in Ashton-in-makerfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Ashton-in-Makerfield | £30 | £220 |
| Build A Flat Roof Extension near Golborne | £30 | £222 |
| Build A Flat Roof Extension near Newton-le-Willows | £31 | £221 |
| Build A Flat Roof Extension near Wigan | £30 | £220 |
| Build A Flat Roof Extension near Hindley | £30 | £219 |
| Build A Flat Roof Extension near Orrell | £29 | £214 |
| Build A Flat Roof Extension near St Helens | £31 | £224 |
| Build A Flat Roof Extension near Leigh | £31 | £224 |
| Build A Flat Roof Extension near Westhoughton | £31 | £222 |
| Build A Flat Roof Extension near Skelmersdale | £28 | £210 |
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 - £17,282

Two storey extension - £87,672

Build a timber frame extension - £25,782

Build a swimming pool - £80,782

Single storey extension - £50,632

Side return extension - £39,043

Install an RSJ - £1,982

Outbuilding - £9,782

Build a Mansard loft conversion - £51,782

Loft conversion - £31,703

Build a kitchen extension - £41,782

Hip to gable loft conversion - £41,782

Granny annexe - £86,782

Garden office - £9,782

Convert a Garage - £15,782

Garage - £18,282

Build a flat roof extension - £21,782

Build a dormer loft conversion - £41,782

Concrete foundations - £6,032

Convert a bungalow loft - £28,782

Convert a basement - £35,043