From £17,052
Pontypridd, CF37
P ALLEN BUILDERS is an established and experienced local extension builder in Pontypridd. Please contact us for a free, no obligation quote and com...
From £17,116
Pontypridd, CF37
EXTEND & BUILD LTD is an established and experienced local extension builder in Pontypridd. Please contact us for a free, no obligation quote and c...
From £17,204
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,348
Relax... you have found a reliable extension builder in Pontypridd. Professional Concrete Solutions is a friendly and reliable company based in Pon...
From £17,116
Excel Home Design Ltd is an established extension buildering business in Pontypridd. We come highly recommended and provide competitive quotes for ...
From £17,348
Atlantic Building Services Ltd is an established extension buildering business in Pontypridd. We come highly recommended and provide competitive qu...
From £16,996
Trusted and professional extension builder in Pontypridd. Experienced in all extension buildering work and keeping within budget and on quote. RJ C...
From £17,428
Need to find an Extension Builder near you for all your extension buildering work?
GOODE BUILDING SERVICES provides a local, trusted extens...
From £17,292
We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...
From £17,316
G T Brickwork is an established extension buildering business in Pontypridd. We come highly recommended and provide competitive quotes for your wor...

Underpinning ranges from £16,996 (RJ CONSTRUCTION based in CF40) to £17,428 (GOODE BUILDING SERVICES based in CF83), 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 Pontypridd by posting a job with HaMuch and we will send it to extension builders in Pontypridd.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Church Village | £34 | £214 |
| Underpin A Building near Rhondda | £31 | £206 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Rhondda, Cynon, Taff | £31 | £209 |
| Underpin A Building near Aberdare | £32 | £212 |
| Underpin A Building near Risca | £32 | £218 |
| Underpin A Building near Merthyr Tydfil | £33 | £220 |
| Underpin A Building near Cardiff | £35 | £219 |
| Underpin A Building near Tredegar | £28 | £218 |
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 - £17,222

Two storey extension - £87,582

Build a timber frame extension - £25,722

Build a swimming pool - £80,722

Single storey extension - £49,432

Side return extension - £38,368

Install an RSJ - £1,922

Outbuilding - £9,722

Build a Mansard loft conversion - £51,722

Loft conversion - £31,140

Build a kitchen extension - £41,722

Hip to gable loft conversion - £41,722

Granny annexe - £86,722

Garden office - £9,722

Convert a Garage - £15,722

Garage - £18,222

Build a flat roof extension - £21,722

Build a dormer loft conversion - £41,722

Concrete foundations - £5,972

Convert a bungalow loft - £28,722

Convert a basement - £34,368