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Select your affordable DE74 extension builder
From £21,704
Netelect Group (UK) LTD specialise in Building Surveying, Building Services, Gas Systems and Electrical Systems.You are in safe hands with ...
From £21,648
Experienced extension builder ready to quote for your work. REYNOLDS BUILDING SERVICES LTD is the best extension builder in DE74. No obligation fre...

A flat roof extension ranges from the cheapest of £21,648 (REYNOLDS BUILDING SERVICES LTD based in NG10) to the dearest of £21,704 (Netelect Group Ltd based in DE74), 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 DE74 by posting a job with HaMuch. We'll send it to extension builders in DE74.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Long Eaton | £32 | £249 |
| Build A Flat Roof Extension near Erewash | £31 | £234 |
| Build A Flat Roof Extension near Loughborough | £32 | £262 |
| Build A Flat Roof Extension near Derby | £29 | £227 |
| Build A Flat Roof Extension near Ilkeston | £31 | £236 |
| Build A Flat Roof Extension near Coalville | £32 | £242 |
| Build A Flat Roof Extension near Broxtowe | £34 | £240 |
| Build A Flat Roof Extension near West Bridgford | £33 | £245 |
| Build A Flat Roof Extension near Nottingham | £34 | £241 |
| Build A Flat Roof Extension near Swadlincote | £32 | £249 |
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 - £17,176

Two storey extension - £87,514

Build a timber frame extension - £25,676

Build a swimming pool - £80,676

Single storey extension - £48,520

Side return extension - £37,855

Install an RSJ - £1,876

Outbuilding - £9,676

Build a Mansard loft conversion - £51,676

Loft conversion - £30,713

Build a kitchen extension - £41,676

Hip to gable loft conversion - £41,676

Granny annexe - £86,676

Garden office - £9,676

Convert a Garage - £15,676

Garage - £18,176

Build a flat roof extension - £21,676

Build a dormer loft conversion - £41,676

Concrete foundations - £5,926

Convert a bungalow loft - £28,676

Convert a basement - £33,855