Range from the cheapest single storey extension £47,000 (RCB Group Design & Build based in SE21) to the dearest single storey extension £53,880 (By design - interior styling and remodelling based in Se26).
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 SE26 by posting a job with HaMuch and we will send it to extension builders in SE26.
