Question to the Department for Environment, Food and Rural Affairs:

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to the Answer of 10 July 2025 to Question 64767 on Waster Charges: Social Tariff, what recent estimate Ofwat has made of the (a) average cost to households of the cross-subsidy for social tariffs and (b) potential impact of proposed changes to social tariffs on the average cost to households in each year between 2025 and 2030.

At PR24 Ofwat challenged companies to address customer concerns about the affordability of water bills in the 2025-2030 period and asked them to set out the measures that they would take and how they would fund these measures.