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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.

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AN INDEPENDENT SERVICE BYRAT SYSTEMSLondon · Est. 2026

Contains Environment Agency information © Environment Agency and/or database rights. Powered by Met Office data. Some local supply-area information is © water companies. Otter is independent and is not a water company or regulator.