Cardiff extension builders charge from £18 per hour

HaMuch is Excellent

Average Cardiff extension builder hourly rate is £29

Range from the cheapest £18 per hour and £25 per day (S.T Kelly Construction Ltd based in CF5) to the dearest £45 per hour and £200 per day (Heath Windows & Doors Ltd based in CF24).

Comparing hourly and daily rates of Extension Builder's gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.

Refurb existing slate roof including 1x valley, increase insulation and ventilation, repaint soffits and fascia’s, check pointing of remaining chimney, remove other rear, chimney, convert loft area of Victorian end of terrace to additional 2x bedroom and bathroom, add stairs for access, add approx 5-6 roof lights.

Hello, I want to get a single storey extension built at the rear of my property. Planning permission has been granted and I have technical drawings ready. Can you arrange a call out to price up the job? Isa Murrell [email protected] 195 Corporation Road, Cardiff, CF11 7AS

Quote on trussed roof loft conversion please - bedroom and separate storage/dressing room. Many thanks

Extension Builder looking for jobs near Cardiff?

We need Extension Builders like you to help local homeowners with their jobs.

Trade Signup


How much do jobs cost in Cardiff



Rates for other Cardiff trades