Millions of households are set for fresh hike to their rates after Ofwat, the industry watchdog, approved a new increase in charges to fund £3.4billion in investment.

Ofwat has provisionally ruled that five of 13 suppliers can increase charges for customers to increase investment by £3.4bn by 2030.

Ofwat has provisionally ruled that five of 13 suppliers can increase charges for customers to increase investment by £3.4bn by 2030