Owners and landlords across NP22 ask about this in roughly equal numbers, for slightly different reasons. Standard chasing doesn't work; steel conduit and stainless clips are the norm. Property in Tredegar varies street to street, so the honest answer to "what will it cost" is that it depends on access constraints priced into the diary — checkable in under an hour. It is written into the report either way, so nothing is hidden.
The most useful thing you can tell us on the first call is what changed immediately before you noticed the problem. Anyone testing properly will reach the same conclusion. Searching "eicr — electrical safety checks barn conversion Tredegar" from a Tredegar address usually means you want a straight answer before you want a salesperson.



