Trusted and professional extension builder in M46. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in M46. No obligation free quotes...
Relax... you have found a reliable extension builder in M46. R A C Gas is a friendly and reliable company based in M46 who consider no job as too b...
Liverpool Builder is an established extension buildering business in M46. We come highly recommended and provide competitive quotes for your work.<...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ethos Property Developments Limited is an established extension buildering business in M46. We come highly recommended and provide competitive quot...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in M46. David Anderson Builders is a friendly and reliable company based in M46 who consider n...
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...

A flat roof extension ranges from the cheapest of £20,960 (Aquatec Builder based in OL10) to the dearest of £22,008 (Ethos Property Developments Limited based in SK15), 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 M46 by posting a job with HaMuch. We'll send it to extension builders in M46.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Atherton | £31 | £223 |
| Build A Flat Roof Extension near Westhoughton | £31 | £222 |
| Build A Flat Roof Extension near Leigh | £31 | £224 |
| Build A Flat Roof Extension near Little Hulton | £30 | £220 |
| Build A Flat Roof Extension near Hindley | £30 | £219 |
| Build A Flat Roof Extension near Farnworth | £30 | £219 |
| Build A Flat Roof Extension near Bolton | £31 | £219 |
| Build A Flat Roof Extension near Horwich | £30 | £219 |
| Build A Flat Roof Extension near Golborne | £30 | £222 |
| Build A Flat Roof Extension near Wigan | £30 | £220 |
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 - £17,177

Two storey extension - £87,515

Build a timber frame extension - £25,677

Build a swimming pool - £80,677

Single storey extension - £48,536

Side return extension - £37,864

Install an RSJ - £1,877

Outbuilding - £9,677

Build a Mansard loft conversion - £51,677

Loft conversion - £30,720

Build a kitchen extension - £41,677

Hip to gable loft conversion - £41,677

Granny annexe - £86,677

Garden office - £9,677

Convert a Garage - £15,677

Garage - £18,177

Build a flat roof extension - £21,677

Build a dormer loft conversion - £41,677

Concrete foundations - £5,927

Convert a bungalow loft - £28,677

Convert a basement - £33,864