"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
Alpha Projects Ltd are here to help customers who need an Extension Builder in ME15. We offer a competitive rate to complete all your extension bui...
JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in ME15. We offer a competitive rate to complete all your e...
From £17,580
We thrive on a challenge, and really enjoy working with our client's to provide a high quality finished product within the budget required. Whether...
From £17,500
Experienced extension builder ready to quote for your work. Elite Building & Refurbishment Ltd is the best extension builder in ME15. No obligation...
From £17,756
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,228
Stewart Epps
Experienced extension builder ready to quote for your work. Lande Solutions Ltd is the best extension builder in ME15. No obligation free quotes an...
From £17,372
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
Experienced extension builder ready to quote for your work. Direct Build Ltd is the best extension builder in ME15. No obligation free quotes and m...
From £17,828
JLS Contstruction is an established and experienced local extension builder in ME15. Please contact us for a free, no obligation quote and competit...

Underpinning ranges from £16,868 (Rafs based in ME15) to £17,828 (JLS Contstruction based in ME15), 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 ME15 by posting a job with HaMuch and we will send it to extension builders in ME15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Maidstone | £40 | £255 |
| Underpin A Building near Larkfield | £41 | £253 |
| Underpin A Building near Rochester | £39 | £254 |
| Underpin A Building near Gillingham | £39 | £253 |
| Underpin A Building near Chatham | £39 | £254 |
| Underpin A Building near Sittingbourne | £35 | £246 |
| Underpin A Building near Tonbridge | £38 | £254 |
| Underpin A Building near Swale | £35 | £241 |
| Underpin A Building near Gravesend | £40 | £260 |
| Underpin A Building near Tunbridge Wells | £37 | £258 |
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 - £17,446

Two storey extension - £87,918

Build a timber frame extension - £25,946

Build a swimming pool - £80,946

Single storey extension - £53,912

Side return extension - £40,888

Install an RSJ - £2,146

Outbuilding - £9,946

Build a Mansard loft conversion - £51,946

Loft conversion - £33,240

Build a kitchen extension - £41,946

Hip to gable loft conversion - £41,946

Granny annexe - £86,946

Garden office - £9,946

Convert a Garage - £15,946

Garage - £18,446

Build a flat roof extension - £21,946

Build a dormer loft conversion - £41,946

Concrete foundations - £6,196

Convert a bungalow loft - £28,946

Convert a basement - £36,888