Range from the cheapest single storey extension £50,200 (R.P. Bricklayer based in RM4) to the dearest single storey extension £79,000 (Optimus Build Solutions based in Rm1).
Comparing extension builders estimates for fitting a downstairs toilet 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 - Get rates and quotes to build a single storey extension in Harold Hill by posting a job with HaMuch and we will send it to extension builders in Harold Hill.
