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Adam Porter
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
Relax... you have found a reliable extension builder in Folkestone. LEVEL CONSTRUCTION is a friendly and reliable company based in Folkestone who ...
Experienced extension builder ready to quote for your work. THE EAST CLIFF BUILDING CO LTD is the best extension builder in Folkestone. No obligati...
Folkestone, CT19
Need an Extension Builder in Folkestone? M LONG T/A MJ BUILDINGS has been helping local clients (20 mile radius) with their extension buildering jo...
From £21,824
Relax... you have found a reliable extension builder in Folkestone. Cosbuild and Maintenance ltd is a friendly and reliable company based in Folkes...
From £21,776
Tom Clark - Raison Home UK is a trusted extension builder serving customers in Folkestone and the surrounding area. Contact us to today to get a co...
From £21,664
Pentland Homes is an established extension buildering business in Folkestone. We come highly recommended and provide competitive quotes for your wo...
From £21,744
Trusted and professional extension builder in Folkestone. Experienced in all extension buildering work and keeping within budget and on quote. Stad...
From £21,840
Trusted and professional extension builder in Folkestone. Experienced in all extension buildering work and keeping within budget and on quote. Spri...

A flat roof extension ranges from the cheapest of £21,368 (A-Pex Building based in CT17) to the dearest of £21,936 (THE EAST CLIFF BUILDING CO LTD based in CT18), 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 Folkestone by posting a job with HaMuch. We'll send it to extension builders in Folkestone.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Folkestone | £31 | £233 |
| Build A Flat Roof Extension near Hythe | £31 | £228 |
| Build A Flat Roof Extension near Dover | £29 | £226 |
| Build A Flat Roof Extension near Deal | £26 | £199 |
| Build A Flat Roof Extension near Canterbury | £31 | £232 |
| Build A Flat Roof Extension near Ashford | £36 | £256 |
| Build A Flat Roof Extension near Faversham | £34 | £235 |
| Build A Flat Roof Extension near Herne Bay | £28 | £213 |
| Build A Flat Roof Extension near Whitstable | £28 | £214 |
| Build A Flat Roof Extension near Margate | £27 | £208 |
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 - £17,245

Two storey extension - £87,617

Build a timber frame extension - £25,745

Build a swimming pool - £80,745

Single storey extension - £49,898

Side return extension - £38,630

Install an RSJ - £1,945

Outbuilding - £9,745

Build a Mansard loft conversion - £51,745

Loft conversion - £31,358

Build a kitchen extension - £41,745

Hip to gable loft conversion - £41,745

Granny annexe - £86,745

Garden office - £9,745

Convert a Garage - £15,745

Garage - £18,245

Build a flat roof extension - £21,745

Build a dormer loft conversion - £41,745

Concrete foundations - £5,995

Convert a bungalow loft - £28,745

Convert a basement - £34,630