From £9,640
DEREK REES BUILDING MAINTENANC is an established extension buildering business in Builth Wells. We come highly recommended and provide competitive ...
From £9,584
Need to find an Extension Builder near you for all your extension buildering work?
Cherry Build Limited provides a local, trusted extension...
From £9,784
ST Building is a team of reliable and experienced contractors in mid- wales and Herefordshire with 20 years in the trade.We achieve hig...
From £9,712
K M Lewis T/A Summergill Developments is an established extension buildering business in Builth Wells. We come highly recommended and provide compe...
From £9,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Outbuilding costs in Builth Wells range from the cheapest of £9,584 (Cherry Build Limited based in LD1) to the dearest of £9,784 (ST Building based in LD8), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Builth Wells by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Ebbw Vale | £30 | £217 |
| Outbuilding near Tredegar | £30 | £217 |
| Outbuilding near Merthyr Tydfil | £33 | £220 |
| Outbuilding near Aberdare | £32 | £212 |
| Outbuilding 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 - £17,193

Two storey extension - £87,539

Build a timber frame extension - £25,693

Build a swimming pool - £80,693

Single storey extension - £48,856

Side return extension - £38,044

Install an RSJ - £1,893

Outbuilding - £9,693

Build a Mansard loft conversion - £51,693

Loft conversion - £30,870

Build a kitchen extension - £41,693

Hip to gable loft conversion - £41,693

Granny annexe - £86,693

Garden office - £9,693

Convert a Garage - £15,693

Garage - £18,193

Build a flat roof extension - £21,693

Build a dormer loft conversion - £41,693

Concrete foundations - £5,943

Convert a bungalow loft - £28,693

Convert a basement - £34,044