Relax... you have found a reliable extension builder in Ewell. GDW Construction is a friendly and reliable company based in Ewell who consider no j...
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Ewell. No obligation free quote...
Need an Extension Builder in Ewell? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs for man...
Tenfold Renovation
Need to find an Extension Builder near you for all your extension buildering work?
Tenfold Renovation provides a local, trusted extension b...
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
Hilton building contractors ltd is a trusted extension builder serving customers in Ewell and the surrounding area. Contact us to today to get a co...
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...
Our building services company Refine Property Maintenance Ltd was established in 2020. Since then we have been helping customers in and around Epso...

Underpinning ranges from £17,436 (D A P CONSTRUCTION based in KT4) to £18,300 (GDW Construction based in SM3), 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 Ewell by posting a job with HaMuch and we will send it to extension builders in Ewell.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ewell | £43 | £274 |
| Underpin A Building near Epsom | £43 | £274 |
| Underpin A Building near Sutton | £43 | £273 |
| Underpin A Building near Kingston Upon Thames | £43 | £271 |
| Underpin A Building near Esher | £43 | £274 |
| Underpin A Building near Tadworth | £41 | £271 |
| Underpin A Building near Reigate & Banstead | £41 | £271 |
| Underpin A Building near Wimbledon | £43 | £273 |
| Underpin A Building near Merton | £43 | £272 |
| Underpin A Building near Richmond Upon Thames | £43 | £274 |
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 - £17,771

Two storey extension - £88,407

Build a timber frame extension - £26,271

Build a swimming pool - £81,271

Single storey extension - £60,424

Side return extension - £44,551

Install an RSJ - £2,471

Outbuilding - £10,271

Build a Mansard loft conversion - £52,271

Loft conversion - £36,293

Build a kitchen extension - £42,271

Hip to gable loft conversion - £42,271

Granny annexe - £87,271

Garden office - £10,271

Convert a Garage - £16,271

Garage - £18,771

Build a flat roof extension - £22,271

Build a dormer loft conversion - £42,271

Concrete foundations - £6,521

Convert a bungalow loft - £29,271

Convert a basement - £40,551