Range from the cheapest single storey extension £51,160 (GP Property Services based in EN7) to the dearest single storey extension £71,000 (Flamstead Building Services Ltd based in EN8).
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 EN8 by posting a job with HaMuch and we will send it to extension builders in EN8.
