Ofwat Interim Determination Deadline 2027
Second annual deadline for Ofwat to initiate AMP8 interim determinations for eligible cost change items.
Related Events
Drinking Water Inspectorate — Annual Report and Stakeholder Events
1 September 2026 · DWI / GOV.UK
Defra Digital Waste Tracking — MANDATORY Go-Live (Scotland)
1 January 2027 · Scotland
Defra Water Sector Transition Plan — Expected
1 June 2026 · DEFRA
WIH Trademark Opposition Period Ends
1 July 2026 · IPO, UK