Values not exceeding £40,000,A,
Values exceeding £40,000 but not exceeding £52,000,B,
Values exceeding £52,000 but not exceeding £68,000,C,
Values exceeding £68,000 but not exceeding £88,000,D,
Values exceeding £88,000 but not exceeding £120,000,E,
Values exceeding £120,000 but not exceeding £160,000,F,
Values exceeding £160,000 but not exceeding £320,000,G,
Values exceeding £320,000,H,

Values not exceeding £44,000,A,
Values exceeding £44,000 but not exceeding £65,000,B,
Values exceeding £65,000 but not exceeding £91,000,C,
Values exceeding £91,000 but not exceeding £123,000,D,
Values exceeding £123,000 but not exceeding £162,000,E,
Values exceeding £162,000 but not exceeding £223,000,F,
Values exceeding £223,000 but not exceeding £324,000,G,
Values exceeding £324,000 but not exceeding £424,000,H,
Values exceeding £424,000,I,