From £17,548
Experienced extension builder ready to quote for your work. PPC CONSTRUCTION is the best extension builder in Wrotham. No obligation free quotes an...
From £17,788
Wrotham, TN15
M&R BUILDING & LANDCAPING LTD is a trusted extension builder serving customers in Wrotham and the surrounding area. Contact us to today to get a co...
From £17,668
Need an Extension Builder in Wrotham? Starr Installations Ltd has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £24,140
Experienced extension builder ready to quote for your work. Collins Home Improvements Ltd is the best extension builder in Wrotham. No obligation f...
From £17,596
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,396
W HARDY BUILDERS LTD is a trusted extension builder serving customers in Wrotham and the surrounding area. Contact us to today to get a competitive...
From £17,684
Roka Interiors is an established and experienced local extension builder in Wrotham. Please contact us for a free, no obligation quote and competit...
From £17,524
Spend a Penny Installations Ltd is an established extension buildering business in Wrotham. We come highly recommended and provide competitive quot...
From £17,396
M L Builders & Sons Limited is an established and experienced local extension builder in Wrotham. Please contact us for a free, no obligation quote...

Underpinning ranges from £17,396 (W HARDY BUILDERS LTD based in TN14) to £24,140 (Collins Home Improvements Ltd based in TN15), 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 Wrotham by posting a job with HaMuch and we will send it to extension builders in Wrotham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Sevenoaks | £38 | £234 |
| Underpin A Building near Tonbridge | £38 | £254 |
| Underpin A Building near Larkfield | £41 | £253 |
| Underpin A Building near Northfleet | £41 | £261 |
| Underpin A Building near Gravesend | £40 | £260 |
| Underpin A Building near Dartford | £51 | £273 |
| Underpin A Building near Bexley | £42 | £265 |
| Underpin A Building near Maidstone | £40 | £255 |
| Underpin A Building near Rochester | £39 | £254 |
| 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 - £18,226

Two storey extension - £89,090

Build a timber frame extension - £26,726

Build a swimming pool - £81,726

Single storey extension - £69,528

Side return extension - £49,672

Install an RSJ - £2,926

Outbuilding - £10,726

Build a Mansard loft conversion - £52,726

Loft conversion - £40,560

Build a kitchen extension - £42,726

Hip to gable loft conversion - £42,726

Granny annexe - £87,726

Garden office - £10,726

Convert a Garage - £16,726

Garage - £19,226

Build a flat roof extension - £22,726

Build a dormer loft conversion - £42,726

Concrete foundations - £6,976

Convert a bungalow loft - £29,726

Convert a basement - £45,672