Thames Water also requested last week that Ofwat allows it to raise consumer bills over the next five years by more than the 35 per cent it previously granted.
A High Court judge has approved a £3 billion loan for Thames Water, offering a temporary reprieve from the threat of imminent collapse.
Meanwhile, many bosses, including those at Thames Water, have still been given large bonuses in the last year.
Thames Water has been at the centre of a growing scandal in the wider water industry.
The £3 billion is thought to be enough to last Thames Water for about one year.