Range from the cheapest price to Unblock a sink £100 (D A Geeves Plumbing & Heating based in EN4) to the dearest cost to Unblock a sink £160 (AA Gas & Plumbing based in N3).
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 N12 by posting a job with HaMuch and we will send it to plumbers in N12.

"Unblock kitchen sink"
N12
"Unblock a sink with machinery"
N11