From £17,316
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,404
Frisby Building have over 60 years of experience working in the building industry around Kent, specialising in kitchen and bathroom installations a...
From £17,468
Delamere Building Services is an established extension buildering business in Larkfield. We come highly recommended and provide competitive quotes ...
From £17,684
Roka Interiors is an established and experienced local extension builder in Larkfield. Please contact us for a free, no obligation quote and compet...
From £17,276
Relax... you have found a reliable extension builder in Larkfield. Carey Property Development Ltd is a friendly and reliable company based in Larkf...
From £17,588
Kitchen and Project Installations are here to help customers who need an Extension Builder in Larkfield. We offer a competitive rate to complete al...
From £17,412
Need to find an Extension Builder near you for all your extension buildering work?
Flisher Construction Ltd provides a local, trusted exten...
From £17,468
JOHN KNOWLES BUILDING SERVICES are here to help customers who need an Extension Builder in Larkfield. We offer a competitive rate to complete all y...
From £17,844
Sunley Projects is a trusted extension builder serving customers in Larkfield and the surrounding area. Contact us to today to get a competitive qu...
From £17,676
Need to find an Extension Builder near you for all your extension buildering work?
LIONSTAR CONSTRUCTION LIMITED provides a local, trusted ...

Underpinning ranges from £17,276 (Carey Property Development Ltd based in ME1) to £17,844 (Sunley Projects based in ME2), 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 Larkfield by posting a job with HaMuch and we will send it to extension builders in Larkfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Larkfield | £41 | £253 |
| Underpin A Building near Maidstone | £40 | £255 |
| Underpin A Building near Rochester | £39 | £254 |
| Underpin A Building near Chatham | £39 | £254 |
| Underpin A Building near Gillingham | £39 | £253 |
| Underpin A Building near Gravesend | £40 | £260 |
| Underpin A Building near Northfleet | £41 | £261 |
| Underpin A Building near Tonbridge | £38 | £254 |
| Underpin A Building near Sevenoaks | £38 | £234 |
| Underpin A Building near Sittingbourne | £35 | £246 |
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 - £17,514

Two storey extension - £88,020

Build a timber frame extension - £26,014

Build a swimming pool - £81,014

Single storey extension - £55,272

Side return extension - £41,653

Install an RSJ - £2,214

Outbuilding - £10,014

Build a Mansard loft conversion - £52,014

Loft conversion - £33,878

Build a kitchen extension - £42,014

Hip to gable loft conversion - £42,014

Granny annexe - £87,014

Garden office - £10,014

Convert a Garage - £16,014

Garage - £18,514

Build a flat roof extension - £22,014

Build a dormer loft conversion - £42,014

Concrete foundations - £6,264

Convert a bungalow loft - £29,014

Convert a basement - £37,653