Written Question·Department for Environment, Food and Rural Affairs·UIN 89201
Water Companies: Nationalisation
Tabled: 10 November 2025
Answered: 13 November 2025
Question
Adrian Ramsay
Green Party — Waveney Valley
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.
Answer
Emma HardyDefra 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.