Thames Water hosepipe ban status
The current Temporary Use Ban position for Thames Water (London and the Thames Valley), last checked against current official sources on 16 October 2026.
Current restriction status
ActiveThames Water has a verified active Temporary Use Ban in Otter's current official-source publication.
- Announced
- Not published
- Effective from
- 23 Jul 2026
- Scope
- All customers whose water is supplied by Thames Water
- Scope type
- whole supplier
View the official notice · Check an exact postcode for this area
Which zones are affected
Thames Water covers 6 English water resource zones in Otter’s map. The full zone list below shows each zone’s current status; a zone not marked active may still fall inside a supplier-wide scope, so confirm with the official notice or the exact-postcode check.
Guildford
ActiveWater resource zone TWSGLF · 156k residents
Henley
ActiveWater resource zone TWSHNY · 52k residents
Kennet Valley
ActiveWater resource zone TWSKNV · 422k residents
London
ActiveWater resource zone TWSLND · 7.0 million residents
Slough Wycombe Aylesbury
ActiveWater resource zone TWSSWA · 555k residents
SWOX
ActiveWater resource zone TWSSWX · 1.1 million residents
Official restrictions override forecasts. Otter checks supplier-owned status sources and uses Water UK as corroboration. For a legally reliable answer for your address, use the exact-postcode checker or the supplier’s own checker.