From £5,610
John Sillitoe Building Contractor is a trusted extension builder serving customers in Llanidloes and the surrounding area. Contact us to today to g...
From £5,762
Relax... you have found a reliable extension builder in Llanidloes. EVABUILD LIMITED is a friendly and reliable company based in Llanidloes who con...
From £5,866
Experienced extension builder ready to quote for your work. DRAGON CONSTRUCTION T/A is the best extension builder in Llanidloes. No obligation free...
From £5,770
Need to find an Extension Builder near you for all your extension buildering work?
SDW CONSTRUCTION LTD provides a local, trusted extension...
From £5,834
Need to find an Extension Builder near you for all your extension buildering work?
Cherry Build Limited provides a local, trusted extension...
From £5,858
Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...

Concrete foundations range from the £5,610 (John Sillitoe Building Contractor based in SY16) to £5,866 (DRAGON CONSTRUCTION T/A based in SY25) in Llanidloes.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in Llanidloes by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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 - £17,033

Two storey extension - £87,300

Build a timber frame extension - £25,533

Build a swimming pool - £80,533

Single storey extension - £45,667

Side return extension - £36,250

Install an RSJ - £1,733

Outbuilding - £9,533

Build a Mansard loft conversion - £51,533

Loft conversion - £29,375

Build a kitchen extension - £41,533

Hip to gable loft conversion - £41,533

Granny annexe - £86,533

Garden office - £9,533

Convert a Garage - £15,533

Garage - £18,033

Build a flat roof extension - £21,533

Build a dormer loft conversion - £41,533

Concrete foundations - £5,783

Convert a bungalow loft - £28,533

Convert a basement - £32,250