From £17,236
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 £17,276
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 £17,436
Experienced extension builder ready to quote for your work. THE EAST CLIFF BUILDING CO LTD is the best extension builder in Folkestone. No obligati...
From £17,164
Pentland Homes is an established extension buildering business in Folkestone. We come highly recommended and provide competitive quotes for your wo...
From £17,244
Trusted and professional extension builder in Folkestone. Experienced in all extension buildering work and keeping within budget and on quote. Stad...
From £17,340
Trusted and professional extension builder in Folkestone. Experienced in all extension buildering work and keeping within budget and on quote. Spri...
From £17,156
John Nicoll trained as a joiner and carpenter in St Andrew's, Fife. For over 30 years, he has been operating in the London area - setting up 5 Ways...
From £17,316
Relax... you have found a reliable extension builder in Folkestone. LEVEL CONSTRUCTION is a friendly and reliable company based in Folkestone who ...
From £16,868
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £17,324
Relax... you have found a reliable extension builder in Folkestone. Cosbuild and Maintenance ltd is a friendly and reliable company based in Folkes...

Underpinning ranges from £16,868 (A-Pex Building based in CT17) to £17,436 (THE EAST CLIFF BUILDING CO LTD based in CT18), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Folkestone by posting a job with HaMuch and we will send it to extension builders in Folkestone.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Folkestone | £31 | £233 |
| Underpin A Building near Hythe | £31 | £228 |
| Underpin A Building near Dover | £29 | £226 |
| Underpin A Building near Deal | £26 | £199 |
| Underpin A Building near Canterbury | £31 | £232 |
| Underpin A Building near Ashford | £36 | £256 |
| Underpin A Building near Faversham | £34 | £235 |
| Underpin A Building near Herne Bay | £28 | £213 |
| Underpin A Building near Whitstable | £28 | £214 |
| Underpin A Building 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 - £17,236

Two storey extension - £87,604

Build a timber frame extension - £25,736

Build a swimming pool - £80,736

Single storey extension - £49,720

Side return extension - £38,530

Install an RSJ - £1,936

Outbuilding - £9,736

Build a Mansard loft conversion - £51,736

Loft conversion - £31,275

Build a kitchen extension - £41,736

Hip to gable loft conversion - £41,736

Granny annexe - £86,736

Garden office - £9,736

Convert a Garage - £15,736

Garage - £18,236

Build a flat roof extension - £21,736

Build a dormer loft conversion - £41,736

Concrete foundations - £5,986

Convert a bungalow loft - £28,736

Convert a basement - £34,530