From £21,456
DAVID LANE BUILDERS is an established and experienced local extension builder in NR12. Please contact us for a free, no obligation quote and compet...

A flat roof extension ranges from the cheapest of £21,456 (DAVID LANE BUILDERS based in NR12) to the dearest of £21,456 (DAVID LANE BUILDERS based in NR12), 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 NR12 by posting a job with HaMuch. We'll send it to extension builders in NR12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Great Yarmouth | £13 | £132 |
| Build A Flat Roof Extension near Broadland | £24 | £194 |
| Build A Flat Roof Extension near Norwich | £25 | £200 |
| Build A Flat Roof Extension near Gorleston-on-Sea | £25 | £205 |
| Build A Flat Roof Extension near Lowestoft | £24 | £197 |
| Build A Flat Roof Extension near Dereham | £25 | £203 |
| Build A Flat Roof Extension near Waveney | £24 | £200 |
| Build A Flat Roof Extension near Breckland | £28 | £248 |
| Build A Flat Roof Extension near Thetford | £42 | £277 |
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 - £16,956

Two storey extension - £87,184

Build a timber frame extension - £25,456

Build a swimming pool - £80,456

Single storey extension - £44,120

Side return extension - £35,380

Install an RSJ - £1,656

Outbuilding - £9,456

Build a Mansard loft conversion - £51,456

Loft conversion - £28,650

Build a kitchen extension - £41,456

Hip to gable loft conversion - £41,456

Granny annexe - £86,456

Garden office - £9,456

Convert a Garage - £15,456

Garage - £17,956

Build a flat roof extension - £21,456

Build a dormer loft conversion - £41,456

Concrete foundations - £5,706

Convert a bungalow loft - £28,456

Convert a basement - £31,380