Summary

  • Iain Coucher’s second term as Ofwat Chair began on 1 October and ends when the new integrated water regulator is established, with 30 June 2029 as the outside date.
  • Ofwat keeps its existing legal powers until the handover. The promised transition plan must still show who owns each function as the new structure is built.

Two clocks for one office

The appointment notice gives the chair’s term two endpoints: establishment of the new integrated water regulator, or 30 June 2029 at the latest. The term began on 1 October 2026, five days before the notice was published. This is a bridge arrangement, not an appointment to lead Ofwat’s successor.

The current regulator remains in charge during preparation. The notice says Ofwat will remain fully operational, retain its existing legal powers and work with Defra and partner agencies. The government’s White Paper describes an integrated regulator for England, combining relevant functions from Ofwat, the Drinking Water Inspectorate, the Environment Agency and Natural England. It says the existing regulators keep all their powers and responsibilities until the new body is legally established.

Establishment is not the whole handover

A 2026 Transition Plan is meant to set the roadmap, name who is responsible for each change, provide capacity for reform alongside normal work, and create governance with measurable progress checks. The Environment Agency’s March policy statement separately says it will continue water regulation and enforcement until the single regulator exists.

These commitments clarify who holds authority today. They do not yet give the operational map: which body will own live cases at each stage, how existing price-control work will carry across, or what record proves each transfer is complete. The reappointment notice does not answer those questions and does not say that Coucher will lead the future body.

England and Wales remain separate tracks

The proposed integrated regulator is for England. The White Paper says the English and Welsh water systems are distinct; future Welsh arrangements for economic regulation, consumer protection and advocacy remain under discussion with the Welsh Government. Ofwat currently regulates the economic side of water and sewerage in both nations, so the change cannot be described as one UK-wide transfer.

The governance test is concrete: publish the transition plan before legal establishment, name the authority responsible for each function and active matter, and show how cross-border duties stay covered. Consultation can improve that plan, but it cannot replace an authorised decision-maker or a legal transfer record.

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