Range from the cheapest price to Unblock a sink £40 (APG Assist Plumbing & Gas based in W5) to the dearest cost to Unblock a sink £180 (HT Plumbing Ltd based in W12).
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 W4 by posting a job with HaMuch and we will send it to plumbers in W4.