The starting question with emergency callouts on a post-war semi is always the same: what does the existing installation test at? On a post-war semi you should expect us to flag: kitchen refit added post-rewire, socket circuit no longer matches the original ring layout; bathroom shower feed on a 6mm radial with an isolator hidden above the ceiling; outside tap or outside socket added on a spur without RCD protection. The regulations move; installations do not. Part of the job is explaining which differences actually matter and which are simply age. That is the difference between a guess and a measurement.
Local housing here is largely 1970s estates around Hengoed, and that shapes both the likely findings and the realistic scope. That holds whether the property is owned, let or being sold. We take a steady number of emergency callouts on a post-war semi enquiries from Ystrad Mynach each month, and the pattern is fairly consistent.


