BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Haverhill and the surrounding area. Contact us to today to get a competi...
From £21,864
Need an Extension Builder in Haverhill? K T GRIDLEY GENERAL BUILDER has been helping local clients (20 mile radius) with their extension buildering...
From £21,840
CO9 4R
Need to find an Extension Builder near you for all your extension buildering work?
D Mason Developments Ltd provides a local, trusted exten...

A flat roof extension ranges from the cheapest of £21,840 (D Mason Developments Ltd based in CO9) to the dearest of £22,144 (BOWIE CONSTRUCTION LTD based in CB21), 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 Haverhill by posting a job with HaMuch. We'll send it to extension builders in Haverhill.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Haverhill | £37 | £260 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Braintree | £37 | £247 |
| Build A Flat Roof Extension near Cambridge | £41 | £275 |
| Build A Flat Roof Extension near Bury St Edmunds | £34 | £251 |
| Build A Flat Roof Extension near South Cambridgeshire | £50 | £315 |
| Build A Flat Roof Extension near Bishop's Stortford | £42 | £264 |
| Build A Flat Roof Extension near Ely | £40 | £279 |
| Build A Flat Roof Extension near Witham | £36 | £240 |
| Build A Flat Roof Extension near Colchester | £34 | £232 |
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 - £17,449

Two storey extension - £87,924

Build a timber frame extension - £25,949

Build a swimming pool - £80,949

Single storey extension - £53,987

Side return extension - £40,930

Install an RSJ - £2,149

Outbuilding - £9,949

Build a Mansard loft conversion - £51,949

Loft conversion - £33,275

Build a kitchen extension - £41,949

Hip to gable loft conversion - £41,949

Granny annexe - £86,949

Garden office - £9,949

Convert a Garage - £15,949

Garage - £18,449

Build a flat roof extension - £21,949

Build a dormer loft conversion - £41,949

Concrete foundations - £6,199

Convert a bungalow loft - £28,949

Convert a basement - £36,930