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 publish in full the (a) modelling and (b) assumptions underpinning her Department's £100 billion estimate of nationalising the water sector.

Defra has estimated the cost of nationalising the water sector to be around £100 billion. We have published in full the assumptions and methodology informing our estimate here: Nationalising the water sector: how we assessed the cost - GOV.UK.