Household retail input price inflation at PR19

Thames Water commissioned Economic Insight to assess how input price inflation could be treated within household (HH) retail at PR19.


This report sets out a framework for considering input price inflation in HH retail that is consistent with Ofwat’s primary duties and its stated principles for setting price controls. We then use this framework to review the PR14 approach and, importantly, make suggestions as to how it could be further developed for PR19.


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