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Water Companies: Nationalisation

Asked by Adrian RamsayGreen PartyDepartment for Environment, Food and Rural AffairsTabled Answered 13 November 2025UIN 89201

The question

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.

Answered by Emma Hardy

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.

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