Draft Determinations

At PR24, the water sector must deliver substantial change.

In our draft determinations, we’re setting out the biggest ever investment package to protect our rivers and seas, build new reservoirs, reduce leaks and raise the bar on company performance.

These draft determinations set the sector on the path towards long-term transformation, which will deliver better outcomes for customers and the environment.

Water companies in England and Wales submitted their business plans to us in October 2023, based on the methodology we set out in 2022.

We are consulting on our draft decisions and welcome responses before 12 noon on 28 August 2024. You can respond to our consultation here.

We expect to publish our final decisions on 19 December 2024. We have also published a consultation on a proposed modification to companies’ licences. This would allow Ofwat to delay final determinations until January 2025 if necessary.

Learn more about what our price reviews are

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Key documents

These are our core documents offering an overview of our draft decisions. 

Technical appendices

We have published supporting documents and reports that provide further detail on our decisions. 

Supporting documents

Supporting reports

Company-specific documents

Affinity Water

Anglian Water

Dŵr Cymru

Hafren Dyfrywy

Northumbrian Water 

Portsmouth Water 

SES Water 

Severn Trent Water 

 South East Water 

South Staffs Water 

South West Water 

Southern Water 

Thames Water 

United Utilities 

Wessex Water 

Yorkshire Water