Thames Water says homes in Kingston upon Thames, Merton, Richmond upon Thames, Sutton and Wandsworth in south London, and Elmbridge and Spelthorne in Surrey, may have no water or low pressure. Engineers have located a leak and are working to restore supply.
The potentially affected postcode areas are CR4, KT1, KT10, KT12, KT2, KT3, KT5, KT6, KT7, KT8, SM4, SW16, SW17, SW18, SW19, SW20, TW10 and TW16, Thames Water said.
