Below are a number of direct links to other websites that you might find useful.
The Valuation Office website or call on 0845 602 1507
Are part of HMRC and are responsible for setting rateable values on non domestic properties.
The website below has been produced by the VOA (Valuation Office) and DCLG (Department for Communities and Local Government). It has been created primarily for small business ratepayers and provides information beyond VOA's responsibilities and includes the 2005 rates bill "indicator"