Range from the cheapest price to Unblock a sink £50 (Erjon Dulaj based in N16) to the dearest cost to Unblock a sink £200 (Cube gas based in E2).
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 E8 by posting a job with HaMuch and we will send it to plumbers in E8.