ME — Medway
Who supplies water in the ME postcode area?
Southern Water and South East Water supply addresses in ME, which covers Chatham, Rochester, Gillingham, Maidstone and Sittingbourne. Water is not a market you can shop in — the supplier comes with the address.
Southern Water
Water and sewerageSupplies water and takes waste water across Kent, Sussex, Hampshire and the Isle of Wight. In much of that area the drinking water comes from a water-only company and Southern Water handles only the sewerage.
South East Water
Water onlySupplies drinking water across Kent, Sussex, Surrey, Hampshire and Berkshire. Sewerage is Southern Water's or Thames Water's depending on where the property sits.
More than one company appears here either because ME straddles a boundary, or because one company supplies the drinking water while another takes the waste water away. Your bill will say which applies to your address.
Places in the ME postcode area
A sample, not the full list. ME is the postcode area — the letters before the first digit — so it covers every ME outward code.
Check a different postcode
A few useful answers
Common questions
Who supplies water in the ME postcode area?
Southern Water and South East Water supply parts of the ME postcode area. The supplier is decided by where the property is, not by who lived there before you.
Can I switch water supplier in ME?
No. Household water supply is not a competitive market anywhere in the UK — there is one supplier for each address and no tariff to compare. What you can change is how you are charged, by asking for a meter.
Why does this page list more than one company for ME?
A postcode area can straddle a boundary, and in much of England the company that supplies the taps is not the one that takes the waste water away. Both appear here so you can check which applies to your address.
Do I need to open a water account when I move in?
Yes. Tell the supplier the day your tenancy starts and give an opening meter reading if the property has a meter, so you are not billed for what the last tenant used.
Where to confirm this
We hold the supplier at postcode-area level, which is coarse enough to be wrong at a boundary. These are the industry's own sources, and they settle it for a specific address.
- Water UK: find your supplier ↗
- the Consumer Council for Water: complaints and advice ↗
- Discover Water: bills by company ↗Sector average £639 a year for 2026–27.
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