From £17,292
Adamsdown, CF24
MCp Home Improvements is an established and experienced local extension builder in Adamsdown. Please contact us for a free, no obligation quote and...
From £17,284
Adamsdown, CF24
Experienced extension builder ready to quote for your work. TOR BUILD is the best extension builder in Adamsdown. No obligation free quotes and man...
From £17,148
Experienced extension builder ready to quote for your work. Charles James Developments is the best extension builder in Adamsdown. No obligation fr...
From £17,348
Need to find an Extension Builder near you for all your extension buildering work?
HECTOR CONSTRUCTION provides a local, trusted extension ...
From £17,532
Need to find an Extension Builder near you for all your extension buildering work?
Heath Windows & Doors Ltd provides a local, trusted exte...
From £16,996
Trusted and professional extension builder in Adamsdown. Experienced in all extension buildering work and keeping within budget and on quote. TGH &...
From £17,116
Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Adamsdown. No obligation free ...
From £17,196
Experienced extension builder ready to quote for your work. Studio369 is the best extension builder in Adamsdown. No obligation free quotes and man...
From £17,124
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,220
Relax... you have found a reliable extension builder in Adamsdown. MGKB Ltd is a friendly and reliable company based in Adamsdown who consider no j...

Underpinning ranges from £16,996 (TGH & Sons based in cf23) to £17,532 (Heath Windows & Doors Ltd based in CF24), 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 Adamsdown by posting a job with HaMuch and we will send it to extension builders in Adamsdown.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Cardiff | £34 | £219 |
| Underpin A Building near Penarth | £35 | £218 |
| Underpin A Building near Caerphilly | £33 | £208 |
| Underpin A Building near Barry | £33 | £218 |
| Underpin A Building near Church Village | £34 | £214 |
| Underpin A Building near Risca | £32 | £218 |
| Underpin A Building near Newport | £41 | £233 |
| Underpin A Building near Pontypridd | £33 | £211 |
| Underpin A Building near Cwmbran | £43 | £219 |
| Underpin A Building near Weston-super-Mare | £33 | £253 |
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 - £17,226

Two storey extension - £87,588

Build a timber frame extension - £25,726

Build a swimming pool - £80,726

Single storey extension - £49,512

Side return extension - £38,413

Install an RSJ - £1,926

Outbuilding - £9,726

Build a Mansard loft conversion - £51,726

Loft conversion - £31,178

Build a kitchen extension - £41,726

Hip to gable loft conversion - £41,726

Granny annexe - £86,726

Garden office - £9,726

Convert a Garage - £15,726

Garage - £18,226

Build a flat roof extension - £21,726

Build a dormer loft conversion - £41,726

Concrete foundations - £5,976

Convert a bungalow loft - £28,726

Convert a basement - £34,413