Consumer unit flagged on a survey or EICR?
If a survey, EICR or electrician has flagged the board, the next step is usually a proper scope check rather than guessing from one short note.
Serving Brent, wider NW London, and selected West London postcodes. Best first step: send your postcode, a clear photo of the board with the cover closed, and the survey or EICR wording if you have it.