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    Our performance

    We're committed to improving our performance as a business. This includes:

    • More support for customers and fewer complaints
    • Reducing leaks and supply interruptions
    • Improving water quality and taking care of rivers

    Performance results

    We're investing more than ever to deliver a better service for our customers, communities and the environment. Our PR24 business plan explains how we aim to achieve this. Find out we're performing so far.

    Thames van driving along a bridge in London

    Annual reports and accounts

    Our annual reports and accounts (ARA).

    View ARA

    Thames Water engineer in orange hi-vis

    Regulatory library

    Our annual performance reports (APR). 

    View APR

    Our commitment to improve performance

    Find out more about how we're improving performance across the business.

    Friends having a picnic by a river

    River health

    We're working hard to protect our rivers and reduce storm discharges. 

    View river health

    Wroughton reservoir

    Reservoirs and rainfall

    Monthly updates on how much rain we've had and how full are reservoirs are.

    View reservoirs and rainfall

    Thames Water engineers on site fixing a leak

    Leakage performance

    Learn more about how we're tackling leaks across our network.

    View leakage performance

    Child drinking water

    Service commitment

    How we plan to improve our performance in areas where we know we're falling short.

    View commitment plan

    Guildford STW

    Guildford

    Our action plan following the incident in Guildford in November 2023.

    View Guildford

    Mogden STW

    Mogden

    Our improvement plan for Mogden Sewage Treatment Works (STW). 

    View Mogden

    Working with our customers and staff

    We're dedicated to improving performance for our customers and colleagues.

    An agent takes a phone call

    Customer commitment

    Our Customer Guarantee Scheme (CGS) offers compensation when we don't deliver against our standards. 

    View CGS scheme

    A man is sat on a sofa, speaking on a mobile phone while looking at his laptop

    Customer care performance

    We go through our customer care performance and what we're doing to improve.

    View performance

    Group of people in a meeting with flip chart

    Customer challenge group

    We work with the Customer Challenge Group (CCG) to represent the needs of current and future customers. 

    View CCG

    Thames Water engineers at sewage treatment works

    Policies and statements

    View our gender pay gap report, modern slavery statement and honest and ethical behaviour policy.

    View policies