Thames Water forecasts more leaks over next two years than predicted

Revision will pile further pressure on firm to invest in infrastructure amid anger over its sewage-dumping record

Thames Water expects to leak more water than previously thought, after its ageing pipes were overwhelmed by a deluge of rainfall, it has emerged.

Britain's largest water company has told regulators it now expects to leak 585m litres a day this financial year, up from a previous forecast of 550m litres a day.