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S J S Services (Wales) Ltd is a trusted extension builder serving customers in CF71 and the surrounding area. Contact us to today to get a competit...

Underpinning ranges from £17,284 (S J S Services (Wales) Ltd based in CF72) to £17,284 (S J S Services (Wales) Ltd based in CF72), 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 CF71 by posting a job with HaMuch and we will send it to extension builders in CF71.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Vale of Glamorgan | £29 | £217 |
| Underpin A Building near Bridgend | £32 | £200 |
| Underpin A Building near Barry | £33 | £223 |
| Underpin A Building near Church Village | £34 | £214 |
| Underpin A Building near Porthcawl | £33 | £252 |
| Underpin A Building near Rhondda | £31 | £206 |
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Pyle | £34 | £262 |
| Underpin A Building near Penarth | £35 | £224 |
| Underpin A Building near Cardiff | £34 | £223 |
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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070