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Select your affordable CF48 extension builder
From £17,308
Dare Fitness is an established extension buildering business in CF48. We come highly recommended and provide competitive quotes for your work.
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Underpinning ranges from £17,308 (Dare Fitness based in CF44) to £17,308 (Dare Fitness based in CF44), 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 CF48 by posting a job with HaMuch and we will send it to extension builders in CF48.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Merthyr Tydfil | £33 | £220 |
| Underpin A Building near Aberdare | £32 | £212 |
| Underpin A Building near Tredegar | £30 | £217 |
| Underpin A Building near Rhondda, Cynon, Taff | £31 | £209 |
| Underpin A Building near Ebbw Vale | £30 | £217 |
| Underpin A Building near Rhondda | £31 | £206 |
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Church Village | £34 | £214 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Pontypool | £30 | £210 |
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 - £17,308

Two storey extension - £87,712

Build a timber frame extension - £25,808

Build a swimming pool - £80,808

Single storey extension - £51,160

Side return extension - £39,340

Install an RSJ - £2,008

Outbuilding - £9,808

Build a Mansard loft conversion - £51,808

Loft conversion - £31,950

Build a kitchen extension - £41,808

Hip to gable loft conversion - £41,808

Granny annexe - £86,808

Garden office - £9,808

Convert a Garage - £15,808

Garage - £18,308

Build a flat roof extension - £21,808

Build a dormer loft conversion - £41,808

Concrete foundations - £6,058

Convert a bungalow loft - £28,808

Convert a basement - £35,340