Range from the cheapest single storey extension £51,960 (Oxus Ltd based in SE15) to the dearest single storey extension £111,000 (Chris Ellis Project Service based in SE5).
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 Camberwell by posting a job with HaMuch and we will send it to extension builders in Camberwell.
