Our Annual Performance Report contains information that allows customers and stakeholders to review our performance and to make comparisons with other companies in the sector.
It also provides specific information on the progress we have made on the delivery of customer outcomes and service levels and on our financial performance (including detailed revenue and cost information).
We are required to publish a single Annual Performance Report in a format prescribed by Ofwat.
Annual Performance Reports and Supplementary Documents 2018-2019
Annual Performance Report 2018-19 Part 1
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943.2kB, PDF
Annual Performance Report 2018-19 Part 2
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889.9kB, PDF
Annual Performance Report 2018-19 Part 3
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3.3MB, PDF
Annual Performance Report 2018-19 Part 4
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4.2MB, PDF
Risk and Compliance Statement APR 2018-19 Part 5
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332.5kB, PDF
PR14 Reconciliation Rulebook 2018-2019
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1.2MB, PDF
Accounting Separation Methodology Statement 2018-19
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2.2MB, PDF
2017-2018
Annual Performance Report 2017-2018 Overview
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1.6MB, PDF
Annual Performance Report 2017-2018 Part 1
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847.3kB, PDF
Annual Performance Report 2017-2018 Part 2
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760.7kB, PDF
Annual Performance Report 2017-2018 Part 3
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3.7MB, PDF
Annual Performance Report 2017-2018 Part 4
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3.4MB, PDF
Annual Performance Report 2017-2018 Part 5 - Risk and Compliance
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524.7kB, PDF
Annual Performance Report 2017-2018 Data Assurance Summary
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1.1MB, PDF
Accounting Separation Methodology Statement 2017-2018
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1.3MB, PDF