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Select an affordable extension builder
Need to find an Extension Builder near you for all your extension buildering work?
BAIN BUILDING COMPANY provides a local, trusted extensio...
From £22,168
Need to find an Extension Builder near you for all your extension buildering work?
Forth Building and Development Ltd. provides a local, tr...
From £21,968
N & D Property Maintenance based in Haddington, East Lothian is a well-established business with 18 years' experience in all aspects of building ma...

A flat roof extension ranges from the cheapest of £21,968 (N & D Property Maintenance based in EH41) to the dearest of £22,168 (Forth Building and Development Ltd. based in Eh41), 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 EH41 by posting a job with HaMuch. We'll send it to extension builders in EH41.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Haddington | £35 | £255 |
| Build A Flat Roof Extension near Musselburgh | £36 | £262 |
| Build A Flat Roof Extension near Dalkeith | £35 | £256 |
| Build A Flat Roof Extension near Bonnyrigg | £37 | £263 |
| Build A Flat Roof Extension near Edinburgh | £36 | £263 |
| Build A Flat Roof Extension near Kirkcaldy | £42 | £296 |
| Build A Flat Roof Extension near Penicuik | £36 | £264 |
| Build A Flat Roof Extension near Fife | £44 | £310 |
| Build A Flat Roof Extension near Glenrothes | £42 | £304 |
| Build A Flat Roof Extension near Broxburn | £34 | £252 |
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 - £17,543

Two storey extension - £88,064

Build a timber frame extension - £26,043

Build a swimming pool - £81,043

Single storey extension - £55,853

Side return extension - £41,980

Install an RSJ - £2,243

Outbuilding - £10,043

Build a Mansard loft conversion - £52,043

Loft conversion - £34,150

Build a kitchen extension - £42,043

Hip to gable loft conversion - £42,043

Granny annexe - £87,043

Garden office - £10,043

Convert a Garage - £16,043

Garage - £18,543

Build a flat roof extension - £22,043

Build a dormer loft conversion - £42,043

Concrete foundations - £6,293

Convert a bungalow loft - £29,043

Convert a basement - £37,980