Most people asking about consumer unit upgrades on a post-war semi in Aberdare have already had one opinion and want a second that comes with readings. Post-war semis are the sweet spot for a CU-only upgrade — the wiring is usually sound, the board is the outdated part. A written record matters as much as the work. Anything we find at a CF44 address is documented in a form you can hand to someone else. On a Aberdare job that usually shows up as wiring generation on record (rewired.
The point of a proper test is that the result is repeatable by anyone else with the same instrument. That is the difference between a guess and a measurement. Here is how consumer unit upgrades on a post-war semi works at a Aberdare address, including the parts that decide the price.



