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What are water companies proposing?

£104bn investment plan

£104bn

investment between 2025 and 2030

10

new reservoirs

50%

reduction of sewage spills from storm overflows

£104bn investment

Water is an essential part of our daily lives. From world-class drinking water in our homes, to the safe treatment and disposal of wastewater, water companies play a vital role.  

The water industry wants to invest to tackle the challenges created by a growing population, climate change and extreme weather, as well as supporting and enabling economic growth.

Water companies in England and Wales submitted ambitious plans to the economic regulator Ofwat, proposing the largest-ever investment in the sector.  

On 19th December 2024, Ofwat approved £104bn investment into water and sewage infrastructure between 2025 and 2030 and this represents a near doubling of expenditure compared to the previous five years.  

These plans will:  

  • Fund the development of 10 new reservoirs and major new water transfer schemes.
  • Upgrade England’s ageing pipes and reduce leakage by a third.
  • Clean up our rivers by reducing sewage spills from storm overflows by 50%.
  • Protect plant and aquatic life in rivers by removing harmful levels of phosphorus.  
  • Reduce flooding and improve water quality and biodiversity by construction of 31 wetlands.  

The £104bn will also drive economic growth by enabling new homes and essential services such as hospitals and schools to be built, to meet the demands of a growing population.   

1/3

cut leakage by 1/3

31

new wetlands

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Tideway workers

PR24 explained

Every five years, water companies in England and Wales submit their investment plans to the economic regulator, Ofwat, for review and approval.

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Construction of storage tank

Modernising our sewers

Water companies in England and Wales plan to invest more than £11 billion, more than triple the current level of investment, to end sewage spills.

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New pipes being fitted

Securing our supply of water

Climate change and population growth are putting increasing pressure on our water supply. Companies are investing £104 billion to improve our infrastructure and secure our long-term water supply.

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