What matters for consumer unit upgrades on a new-build is the condition of this installation, not the average condition of installations generally. If you take one thing from this page: the awkward part is the routing, not the install. Property in Bridgend varies street to street, so the honest answer to "what will it cost" is that it depends on NICEIC certificate, photo evidence of hidden work, Part P — checkable in under an hour. It rarely changes the price, but it does change the plan.
Photographs of anything hidden are taken as standard, because you should not have to take our word for what is above the ceiling. We would say the same to a family member. Whether this is urgent or simply overdue, the sequence for consumer unit upgrades on a new-build does not change much.



