From £19,580
Silicone Render System Ltd is a plastering company based in Porthcawl, with over 20 years’ experience in the plastering trade. W...
From £17,332
Experienced extension builder ready to quote for your work. WH Builders is the best extension builder in CF36. No obligation free quotes and many h...
From £17,300
Scorpion Windows LTD is a trusted extension builder serving customers in CF36 and the surrounding area. Contact us to today to get a competitive qu...
From £17,004
Need to find an Extension Builder near you for all your extension buildering work?
Price Builders provides a local, trusted extension build...
From £17,076
Relax... you have found a reliable extension builder in CF36. Cwtch Property Developments is a friendly and reliable company based in CF36 who cons...
From £17,332
Need an Extension Builder in CF36? K.D.L Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,348
SS BUILDER are here to help customers who need an Extension Builder in CF36. We offer a competitive rate to complete all your extension buildering ...
From £17,452
Trusted and professional extension builder in CF36. Experienced in all extension buildering work and keeping within budget and on quote. Complete B...
From £17,364
Need an Extension Builder in CF36? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £17,236
Relax... you have found a reliable extension builder in CF36. DEAN THOMAS BUILDING is a friendly and reliable company based in CF36 who consider no...

Underpinning ranges from £17,004 (Price Builders based in CF71) to £19,580 (Silicone Rendering Systems Ltd based in CF36), 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 CF36 by posting a job with HaMuch and we will send it to extension builders in CF36.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Porthcawl | £33 | £252 |
| Underpin A Building near Pyle | £34 | £262 |
| Underpin A Building near Bridgend | £32 | £200 |
| Underpin A Building near Port Talbot | £31 | £227 |
| Underpin A Building near Maesteg | £38 | £283 |
| Underpin A Building near Vale of Glamorgan | £29 | £217 |
| Underpin A Building near Neath | £30 | £225 |
| Underpin A Building near Swansea | £29 | £230 |
| Underpin A Building near Neath Port Talbot | £31 | £224 |
| Underpin A Building near Rhondda | £31 | £206 |
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 - £17,502

Two storey extension - £88,004

Build a timber frame extension - £26,002

Build a swimming pool - £81,002

Single storey extension - £55,048

Side return extension - £41,527

Install an RSJ - £2,202

Outbuilding - £10,002

Build a Mansard loft conversion - £52,002

Loft conversion - £33,773

Build a kitchen extension - £42,002

Hip to gable loft conversion - £42,002

Granny annexe - £87,002

Garden office - £10,002

Convert a Garage - £16,002

Garage - £18,502

Build a flat roof extension - £22,002

Build a dormer loft conversion - £42,002

Concrete foundations - £6,252

Convert a bungalow loft - £29,002

Convert a basement - £37,527