The VO seems to be a law unto itself as far as "valuations" are concerned ... I discovered that my house which is Band F appears to be wrong - within 50 yards there are 7 identical houses (and I mean identical, all built at the same time, all the same spec etc) and they are all Band E.
Working backwards to when we bought the house we appear to have overpaid in excess of £2,000 (i.e. the cumulative difference between E & F)
Correspndence is ensuing .....
Rob