Here's what the home looks like and the property records from the government land registry.
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The freehold last sold in February 2003 for £45,000 (roughly $74k at contemporary exchange rates). No leasehold is listed in a search of the property records.
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It appears to be some sort of service where they contact support on your behalf with your complaint: "I am writing on behalf of Jon Harrison".... And it ended up putting his personal information on a public facing "Uber EATS customer service issues" page indexed by search engines. Great work. I bet he didn't even get his six quid either.