Range from the cheapest price to Unblock a sink £30 (1981 based in SR3) to the dearest cost to Unblock a sink £100 (Mr Plumber based in DH2).
Comparing plumbers estimates for unblocking a sink 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 unblock a sink in Un by posting a job with HaMuch and we will send it to plumbers in Un.