www.gov.uk/voa/contactAll business property has a rateable value unless it is specifically exempt from rates - (see are all businesses rateable)
Following the 2010 revaluation, the rateable value broadly represents the annual rent the property could have been let for on the open market in 2008.
This is assessed by the:
Valuation Office Agency
Castle Meadow Road
Tel: 03000 501 501
Web site: https://www.gov.uk/government/organisations/valuation-office-agency
Use the links to further information to access the value calculated for your business premises.
There will be further revaluations for all property every five years to keep rateable values up to date and so ensure that each ratepayer's bill is fair in relation to others.