Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in CB24. Please contact us for a free, no obligati...
Silverwood Construction (Cambridge) Ltd are here to help customers who need an Extension Builder in CB24. We offer a competitive rate to complete a...

A flat roof extension ranges from the cheapest of £21,920 (Inspire Carpentry and Construction Ltd based in CB24) to the dearest of £22,160 (Silverwood Construction (Cambridge) Ltd based in PE28), 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 CB24 by posting a job with HaMuch. We'll send it to extension builders in CB24.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Cambridge | £41 | £275 |
| Build A Flat Roof Extension near Huntingdon | £38 | £284 |
| Build A Flat Roof Extension near South Cambridgeshire | £50 | £315 |
| Build A Flat Roof Extension near Ely | £40 | £279 |
| Build A Flat Roof Extension near Huntingdonshire | £36 | £290 |
| Build A Flat Roof Extension near St Neots | £51 | £318 |
| Build A Flat Roof Extension near Biggleswade | £41 | £268 |
| Build A Flat Roof Extension near Peterborough | £40 | £281 |
| Build A Flat Roof Extension near Haverhill | £37 | £260 |
| Build A Flat Roof Extension near South Bedfordshire | £45 | £278 |
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 - £17,540

Two storey extension - £88,060

Build a timber frame extension - £26,040

Build a swimming pool - £81,040

Single storey extension - £55,800

Side return extension - £41,950

Install an RSJ - £2,240

Outbuilding - £10,040

Build a Mansard loft conversion - £52,040

Loft conversion - £34,125

Build a kitchen extension - £42,040

Hip to gable loft conversion - £42,040

Granny annexe - £87,040

Garden office - £10,040

Convert a Garage - £16,040

Garage - £18,540

Build a flat roof extension - £22,040

Build a dormer loft conversion - £42,040

Concrete foundations - £6,290

Convert a bungalow loft - £29,040

Convert a basement - £37,950