Water and wastewater companies
These companies provide both services across most of their regions. Figures are forecast annual household averages for 2026/27.
Anglian Water£674 averageDŵr Cymru Welsh Water£683 averageHafren Dyfrdwy£635 averageNorthumbrian Water£535 averageSevern Trent Water£587 averageSouth West Water£740 averageSouthern Water£759 averageThames Water£658 averageUnited Utilities£660 averageWessex Water£695 averageYorkshire Water£636 average
Water-only companies
A water-only bill excludes wastewater, which is normally charged separately by the regional sewerage company.
| Company | Region | Water only |
|---|---|---|
| Affinity Water (Central) | Home Counties north and west of London | £266 |
| Affinity Water (East) | Parts of Essex | £280 |
| Affinity Water (South East) | Parts of Kent | £294 |
| Bournemouth Water | Bournemouth and parts of Dorset and Hampshire | £205 |
| Bristol Water | Bristol and surrounding area | £264 |
| Essex & Suffolk Water | Essex and Suffolk | £333 |
| Portsmouth Water | Portsmouth and south-east Hampshire | £162 |
| South East Water | Kent, Sussex, Surrey, Hampshire and Berkshire | £324 |
| South Staffs Water | South Staffordshire and the West Midlands | £230 |
| Cambridge Water | Cambridge and surrounding area | £210 |
| SES Water | Parts of Surrey, Sussex and Kent | £257 |
Can I switch water supplier?
Household customers are tied to the appointed companies for their address. You can still switch how you pay, apply for a meter, seek a social tariff or challenge an error. Eligible non-household customers in England can choose a business water retailer.