From £21,536
4D BUILDERS LTD are here to help customers who need an Extension Builder in CT14. We offer a competitive rate to complete all your e...

A flat roof extension ranges from the cheapest of £21,536 (4D BUILDERS LTD based in CT14) to the dearest of £21,536 (4D BUILDERS LTD based in CT14), 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 CT14 by posting a job with HaMuch. We'll send it to extension builders in CT14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Deal | £26 | £199 |
| Build A Flat Roof Extension near Dover | £29 | £226 |
| Build A Flat Roof Extension near Margate | £27 | £208 |
| Build A Flat Roof Extension near Ramsgate | £27 | £208 |
| Build A Flat Roof Extension near Thanet | £27 | £208 |
| Build A Flat Roof Extension near Broadstairs | £27 | £208 |
| Build A Flat Roof Extension near Folkestone | £31 | £233 |
| Build A Flat Roof Extension near Canterbury | £31 | £232 |
| Build A Flat Roof Extension near Herne Bay | £28 | £213 |
| Build A Flat Roof Extension near Hythe | £31 | £228 |
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 - £17,036

Two storey extension - £87,304

Build a timber frame extension - £25,536

Build a swimming pool - £80,536

Single storey extension - £45,720

Side return extension - £36,280

Install an RSJ - £1,736

Outbuilding - £9,536

Build a Mansard loft conversion - £51,536

Loft conversion - £29,400

Build a kitchen extension - £41,536

Hip to gable loft conversion - £41,536

Granny annexe - £86,536

Garden office - £9,536

Convert a Garage - £15,536

Garage - £18,036

Build a flat roof extension - £21,536

Build a dormer loft conversion - £41,536

Concrete foundations - £5,786

Convert a bungalow loft - £28,536

Convert a basement - £32,280