Council tax bands are based on the property's value on 1 April 1991 (a couple of years before it was introduced.) Within a local authority, the cost of providin

Council tax bands are based on the property's value on 1 April 1991 (a couple of years before it was introduced.) Within a local authority, the cost of providing services to a property does not effect the band. https://www.gov.uk/guidance/understand-how-council-tax-bands-are-assessed https://www.gov.uk/guidance/understand-how-council-tax-bands...