Owners and landlords across CF62–CF63 ask about this in roughly equal numbers, for slightly different reasons. The point of a proper test is that the result is repeatable by anyone else with the same instrument. Which is why the schedule of results is worth reading, not filing.
The most useful thing you can tell us on the first call is what changed immediately before you noticed the problem. It takes minutes to confirm and saves hours later. Searching "full property rewires for home buyers Barry" from a Barry address usually means you want a straight answer before you want a salesperson.



