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

To ask the Secretary of State for Environment, Food and Rural Affairs, if she will make an estimate of the level of (a) water and (b) sewage infrastructure investment required to maintain existing levels of capacity, in the context of the Government’s plan to build 1.5 million homes in this Parliament.

Ofwat’s Price Review 2024 (PR24) final determinations set a total expenditure allowance of £104 billion over the 2025-2030 period. This provides:

• £60 billion of base expenditure to maintain the long-term capability of assets.
• £1.8 billion to increase capacity at sewage treatment works to accommodate population growth over the 2025-26 to 2029-30 period.
• £8 billion for actions associated with the Water Resource Management Plans, including the Strategic Resource Options (SROs).