Relax... you have found a reliable extension builder in Suffolk. Pinnacle Construction is a friendly and reliable company based in Suffolk who cons...
From £21,808
BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Suffolk and the surrounding area. Contact us to today to get a competiti...
From £21,864
Need an Extension Builder in Suffolk? K T GRIDLEY GENERAL BUILDER has been helping local clients (20 mile radius) with their extension buildering j...
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 £21,808 (BOWIE CONSTRUCTION LTD based in CB21) to the dearest of £22,104 (Pinnacle Construction based in CB9), 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 Suffolk by posting a job with HaMuch. We'll send it to extension builders in Suffolk.
| 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 | £38 | £271 |
| Build A Flat Roof Extension near Bury St Edmunds | £34 | £251 |
| Build A Flat Roof Extension near South Cambridgeshire | £43 | £305 |
| 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 - £17,404

Two storey extension - £87,856

Build a timber frame extension - £25,904

Build a swimming pool - £80,904

Single storey extension - £53,080

Side return extension - £40,420

Install an RSJ - £2,104

Outbuilding - £9,904

Build a Mansard loft conversion - £51,904

Loft conversion - £32,850

Build a kitchen extension - £41,904

Hip to gable loft conversion - £41,904

Granny annexe - £86,904

Garden office - £9,904

Convert a Garage - £15,904

Garage - £18,404

Build a flat roof extension - £21,904

Build a dormer loft conversion - £41,904

Concrete foundations - £6,154

Convert a bungalow loft - £28,904

Convert a basement - £36,420