The 2026/27 England & Wales Council Tax Postcode Index: All 318 Billing Authorities Ranked
A comprehensive statutory analysis of all 296 English billing authorities and 22 Welsh unitary councils for the 2026/27 financial year, examining the £1,736.81 Band D postcode gap between Britain's lowest-taxed and highest-taxed municipalities.
The gap between the highest Band D rate in England & Wales (Dorset at £2,765.02) and the lowest (Wandsworth at £1,028.21) now stands at £1,736.81 per year—a 168.9% variance.
Across all 296 English and 22 Welsh billing authorities, the unweighted authority-level mean Band D rate for 2026/27 is £2,405.10 (median: £2,436.68). Note: This is an unweighted mean across the 318 authorities, distinct from MHCLG's dwelling-weighted England-only average.
Along the Kingston Vale boundary in South West London, neighbouring Wandsworth (£1,028.21) and Kingston upon Thames (£2,609.20) differ by £1,580.99 per year at Band D (£7,904.95 over 5 years) across a single municipal border.
Measured against benchmark city house prices, an area-average Band D bill represents 1.45% of property value per year in Liverpool (£2,673.59 on £185k) and 1.34% in Nottingham (£2,755.39 on £205k), versus 0.20% in Westminster (£1,049.55 on £535k).