Water UK has published figures showing price hikes for Thames Water and Affinity Water in 2026/27. According to Water UK, Thames Water will see its average bill increase by £3 to £658 a year, an increase of 0.4 per cent. Affinity Water has variable changes depending on the region. The central region's water-only bill will increase by £31 to £266. The full list of increases to average water bills in 2026/27, by companyFrom left to right: name of company; (in brackets) type of company; average bill in 2026/27; increase in pounds from average bill in 2025/26; percentage change in average bill from 2025/26.Affinity Water, central region (water-only): £266; up £31 (+13%)• Affinity Water, eastern region (water-only): £280; up £1 (+0.4%)• Affinity Water, south-east region (water-only): £294; up £3 (+1%)• Anglian Water (water & wastewater): £674; up £44 (+7%)• Bournemouth Water (water-only): £205; up £11 (+6%)• Bristol Water (water-only): £264; up £29 (+12%)• Dwr Cymru (water & wastewater): £683; up £31 (+5%)• Essex & Suffolk Water (water-only): £333; up £15 (+5%)• Hafren Dyfrdwy (water & wastewater): £635; up £54 (+9%)• Northumbrian Water (water & wastewater): £535; up £31 (+6%)• Portsmouth Water (water-only): £162; up £13 (+8%)• Severn Trent Water (water & wastewater): £587; up £52 (+10%)• South East Water (water-only): £324; up £21 (+7%)• South Staffs Water, Cambridge region (water-only): up £210; £7 (+3%)• South Staffs Water, South Staffordshire region (water-only): up £230; £6 (+2%)• South West Water (water & wastewater): £740; up £39 (+6%)• Southern Water (water & wastewater): £759; up £55 (+8%)• Sutton & East Surrey Water (water-only): £257; up £26 (+11%)• Thames Water (water & wastewater): £658; up £3 (+0.4%)• United Utilities (water & wastewater): £660; up £57 (+9%)• Wessex Water (water & wastewater): £695; up £17 (+3%)• Yorkshire Water (water & wastewater): £636; up £34 (+6%)