We are asked about consumer unit upgrades on a period flat in Bridgend most weeks, usually after something has changed at the property. Everything is priced on the quote — nothing added on invoice. There is no single right answer for consumer unit upgrades on a period flat — the correct one depends on the age of the installation and how it has been altered since. Around CF31–CF35 it is the single most common reason a job runs long.
If you have had conflicting advice, it is usually because someone quoted without checking access constraints priced into the diary. Two electricians looking at the same readings tend to agree. For post-war semis in Brackla and Wildmill that detail matters more than it does elsewhere. If a previous certificate exists, consumer unit upgrades on a period flat usually starts by checking whether it still reflects reality.



