From £17,844
Urban Space Projects is a trusted extension builder serving customers in RH8 and the surrounding area. Contact us to today to get a competitive quo...
From £17,108
We are a building and landscaping business, based in Oxted, Surrey. We cover all surrounding areas, such as Limpsfield, Woldingham, Warlingham, Wes...
From £18,052
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,764
Our building services company Accuracy Developments Ltd has over 25 years’ experience. We have been helping customers in Westerham and the surrou...
From £17,388
Relax... you have found a reliable extension builder in RH8. A C Ribbens Building & Decorating is a friendly and reliable company based in RH8 who ...
From £17,868
Relax... you have found a reliable extension builder in RH8. WMT Building Services Ltd is a friendly and reliable company based in RH8 who consider...
From £17,700
Whether you are planning a new home build, single or double storey house extension, additional lounge/bedroom extension we can help. Our Kent based...
From £17,604
Linea Home Design Ltd is an established and experienced local extension builder in RH8. Please contact us for a free, no obligation quote and compe...
From £17,908
Linea Home Design LTD is a Surrey based company with extensive knowledge and experience in design and refurbishments. Specialising in bathrooms, we...
From £17,404
Trusted and professional extension builder in RH8. Experienced in all extension buildering work and keeping within budget and on quote. T WICKHAM B...

Underpinning ranges from £17,108 (CAMERON BUILDING AND LANDSCAPING SERVICES LTD based in rh8) to £18,052 (Asprey Homes Ltd based in TN16), 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 RH8 by posting a job with HaMuch and we will send it to extension builders in RH8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Caterham | £43 | £272 |
| Underpin A Building near Redhill | £41 | £269 |
| Underpin A Building near Sevenoaks | £38 | £234 |
| Underpin A Building near East Grinstead | £37 | £259 |
| Underpin A Building near Croydon | £43 | £267 |
| Underpin A Building near Horley | £38 | £258 |
| Underpin A Building near Reigate | £40 | £270 |
| Underpin A Building near Reigate & Banstead | £41 | £271 |
| Underpin A Building near Tadworth | £41 | £271 |
| Underpin A Building near Bromley | £42 | £265 |
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 - £17,664

Two storey extension - £88,246

Build a timber frame extension - £26,164

Build a swimming pool - £81,164

Single storey extension - £58,280

Side return extension - £43,345

Install an RSJ - £2,364

Outbuilding - £10,164

Build a Mansard loft conversion - £52,164

Loft conversion - £35,288

Build a kitchen extension - £42,164

Hip to gable loft conversion - £42,164

Granny annexe - £87,164

Garden office - £10,164

Convert a Garage - £16,164

Garage - £18,664

Build a flat roof extension - £22,164

Build a dormer loft conversion - £42,164

Concrete foundations - £6,414

Convert a bungalow loft - £29,164

Convert a basement - £39,345