If a previous certificate exists, full property rewires on a period flat usually starts by checking whether it still reflects reality. Period Flat Conversion stock isn't confined to Port Talbot — the same construction era shows up across Neath and Bridgend. Property in Port Talbot varies street to street, so the honest answer to "what will it cost" is that it depends on certificate at the end, delivered the same evening — checkable in under an hour. That holds whether the property is owned, let or being sold.
Where an installation has been extended over decades, the sensible approach is to establish a baseline before adding anything else to it. Two properties on the same street can differ on this entirely. Full property rewires on a period flat is one of the more commonly misquoted jobs, largely because nobody tests before pricing it.
