From £25,360
John Sillitoe Building Contractor is a trusted extension builder serving customers in Llanidloes and the surrounding area. Contact us to today to g...
From £25,512
Relax... you have found a reliable extension builder in Llanidloes. EVABUILD LIMITED is a friendly and reliable company based in Llanidloes who con...
From £25,616
Experienced extension builder ready to quote for your work. DRAGON CONSTRUCTION T/A is the best extension builder in Llanidloes. No obligation free...
From £25,520
Need to find an Extension Builder near you for all your extension buildering work?
SDW CONSTRUCTION LTD provides a local, trusted extension...
From £25,584
Need to find an Extension Builder near you for all your extension buildering work?
Cherry Build Limited provides a local, trusted extension...
From £25,608
Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...

A timber frame extension built in Llanidloes typically ranges from £25,360 (John Sillitoe Building Contractor based in SY16) to £25,616 (DRAGON CONSTRUCTION T/A based in SY25), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension 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 a timber frame extension in Llanidloes by posting a job with HaMuch and we'll send it to extension builders in Llanidloes.
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