Range from the cheapest single storey extension £51,160 (D & G Construction LTD based in DA17) to the dearest single storey extension £66,200 (S M G Building Contractors based in SE18).
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 SE28 by posting a job with HaMuch and we will send it to extension builders in SE28.
