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P ALLEN BUILDERS is an established and experienced local extension builder in Pontyclun. Please contact us for a free, no obligation quote and comp...
The Philog Paving Services is an established extension buildering business in Pontyclun. We come highly recommended and provide competitive quotes ...
Experienced extension builder ready to quote for your work. Chapman Builders is the best extension builder in Pontyclun. No obligation free quotes ...
We are a small family run business, established over 35 years ago, specialising in Hard Landscaping (Patios) and Block Paving.We a...
Experienced extension builder ready to quote for your work. WH Builders is the best extension builder in Pontyclun. No obligation free quotes and m...
Pontyclun, CF72
Relax... you have found a reliable extension builder in Pontyclun. WESTGATE BUILDING SERVICES LTD is a friendly and reliable company based in Ponty...
Pontyclun, CF72
S J S Services (Wales) Ltd is a trusted extension builder serving customers in Pontyclun and the surrounding area. Contact us to today to get a com...
Need an Extension Builder in Pontyclun? SP Property Maintenance has been helping local clients (20 mile radius) with their extension buildering job...
MARWAY BUILDING LTD is a trusted extension builder serving customers in Pontyclun and the surrounding area. Contact us to today to get a competitiv...
Trusted and professional extension builder in Pontyclun. Experienced in all extension buildering work and keeping within budget and on quote. Elite...

Underpinning ranges from £17,052 (P ALLEN BUILDERS based in CF37) to £17,364 (SP Property Maintenance based in CF35), 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 Pontyclun by posting a job with HaMuch and we will send it to extension builders in Pontyclun.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Church Village | £34 | £214 |
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Rhondda | £31 | £206 |
| Underpin A Building near Bridgend | £32 | £200 |
| Underpin A Building near Rhondda, Cynon, Taff | £31 | £209 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Vale of Glamorgan | £29 | £217 |
| Underpin A Building near Barry | £33 | £223 |
| Underpin A Building near Cardiff | £34 | £223 |
| Underpin A Building near Penarth | £35 | £224 |
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 - £17,224

Two storey extension - £87,586

Build a timber frame extension - £25,724

Build a swimming pool - £80,724

Single storey extension - £49,480

Side return extension - £38,395

Install an RSJ - £1,924

Outbuilding - £9,724

Build a Mansard loft conversion - £51,724

Loft conversion - £31,163

Build a kitchen extension - £41,724

Hip to gable loft conversion - £41,724

Granny annexe - £86,724

Garden office - £9,724

Convert a Garage - £15,724

Garage - £18,224

Build a flat roof extension - £21,724

Build a dormer loft conversion - £41,724

Concrete foundations - £5,974

Convert a bungalow loft - £28,724

Convert a basement - £34,395