It's a board change, new postion. The house is being renovated room by room, so its a back and forth job and will evntually be a complete rewire. I'm guessing the problem will be with the lighting circuit as its all in one breaker at present (probably shared nuetrals) and for some reason it was put on the rcd side of the board.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local