Range from the cheapest single storey extension £52,120 (Checa Romero based in E2) to the dearest single storey extension £53,880 (Hannah Construction based in E2).
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 E2 by posting a job with HaMuch and we will send it to extension builders in E2.
