Regulatory reports
This is where we report on our performance and our Regulatory Reports.
Performance reports
This is where we report on our performance. Further explanatory information for our performance can be found within this document. The data has been sent to the economic regulator of the water industry, Ofwat.
Annual performance report 21/22 (Revised)
Interactive performance review 21/22
Mid-year performance report 21/22
Interactive mid-year performance review 21/22
Annual performance report 20/21
Interactive performance review 20/21
Interactive mid-year performance review 20/21
Annual performance report 19/20
Interactive performance review 19/20
Interactive mid-year performance review 19/20
Mid-year performance report 19/20
Mid-year performance report 2020/21
Annual performance report 2018/19
Interactive performance review 18/19
Interactive mid-year performance review 18/19
Mid-year performance report 18/19
View our interactive performance review for 2017/18
Annual performance report 17/18
Mid-year performance report 17/18
Annual performance report 16/17
Annual performance report 15/16
Annual performance report 14/15
Annual performance report 13/14
Annual performance report 12/13
Performance tables and supporting documents
Accounting Separation Methodology APR 2022 final
Annual Performance Report 21/22 Tables (ODI performance model and tables 3A-3I) Revised
Annual Performance Report 21/22 Tables (excluding 3A-3I) Revised
Annual Performance Report 20/21 Tables (excluding 3A-3I)
Annual Performance Report 20/21 Tables (ODI performance model and tables 3A-3I)
Our accounting separation Methodology 20/21
Annual performance report 19/20 Tables
Our accounting separation Methodology
Annual performance validation commentary 18/19
Annual performance report 2018-19 Tables
Annual performance report 2017/18 Tables
Annual performance report validation commentary 17/18
Annual performance report tables 16/17
Annual performance report tables 15/16
Our accounting separation methodology
Assurance plans
Risk and compliance statements
Statements from the board
Regulatory policy and consultations
To find out more about our regulatory policy and consultations, please feel free to click the link below...
Performance reports
This is where we report on our performance. Further explanatory information for our performance can be found within this document. The data has been sent to the economic regulator of the water industry, Ofwat.
Annual performance report 21/22 (Revised)
Interactive performance review 21/22
Mid-year performance report 21/22
Interactive mid-year performance review 21/22
Annual performance report 20/21
Interactive performance review 20/21
Interactive mid-year performance review 20/21
Annual performance report 19/20
Interactive performance review 19/20
Interactive mid-year performance review 19/20
Mid-year performance report 19/20
Mid-year performance report 2020/21
Annual performance report 2018/19
Interactive performance review 18/19
Interactive mid-year performance review 18/19
Mid-year performance report 18/19
View our interactive performance review for 2017/18
Annual performance report 17/18
Mid-year performance report 17/18
Annual performance report 16/17
Annual performance report 15/16
Annual performance report 14/15
Annual performance report 13/14
Annual performance report 12/13
Performance tables and supporting documents
Accounting Separation Methodology APR 2022 final
Annual Performance Report 21/22 Tables (ODI performance model and tables 3A-3I) Revised
Annual Performance Report 21/22 Tables (excluding 3A-3I) Revised
Annual Performance Report 20/21 Tables (excluding 3A-3I)
Annual Performance Report 20/21 Tables (ODI performance model and tables 3A-3I)
Our accounting separation Methodology 20/21
Annual performance report 19/20 Tables
Our accounting separation Methodology
Annual performance validation commentary 18/19
Annual performance report 2018-19 Tables
Annual performance report 2017/18 Tables
Annual performance report validation commentary 17/18
Annual performance report tables 16/17
Annual performance report tables 15/16
Our accounting separation methodology
Assurance plans
Risk and compliance statements
Statements from the board
Regulatory policy and consultations
To find out more about our regulatory policy and consultations, please feel free to click the link below...
Performance reports
This is where we report on our performance. Further explanatory information for our performance can be found within this document. The data has been sent to the economic regulator of the water industry, Ofwat.
Annual performance report 21/22 (Revised)
Interactive performance review 21/22
Mid-year performance report 21/22
Interactive mid-year performance review 21/22
Annual performance report 20/21
Interactive performance review 20/21
Interactive mid-year performance review 20/21
Annual performance report 19/20
Interactive performance review 19/20
Interactive mid-year performance review 19/20
Mid-year performance report 19/20
Mid-year performance report 2020/21
Annual performance report 2018/19
Interactive performance review 18/19
Interactive mid-year performance review 18/19
Mid-year performance report 18/19
View our interactive performance review for 2017/18
Annual performance report 17/18
Mid-year performance report 17/18
Annual performance report 16/17
Annual performance report 15/16
Annual performance report 14/15
Annual performance report 13/14
Annual performance report 12/13
Performance tables and supporting documents
Accounting Separation Methodology APR 2022 final
Annual Performance Report 21/22 Tables (ODI performance model and tables 3A-3I) Revised
Annual Performance Report 21/22 Tables (excluding 3A-3I) Revised
Annual Performance Report 20/21 Tables (excluding 3A-3I)
Annual Performance Report 20/21 Tables (ODI performance model and tables 3A-3I)
Our accounting separation Methodology 20/21
Annual performance report 19/20 Tables
Our accounting separation Methodology
Annual performance validation commentary 18/19
Annual performance report 2018-19 Tables
Annual performance report 2017/18 Tables
Annual performance report validation commentary 17/18
Annual performance report tables 16/17
Annual performance report tables 15/16
Our accounting separation methodology
Assurance plans
Risk and compliance statements
Statements from the board
Regulatory policy and consultations
To find out more about our regulatory policy and consultations, please feel free to click the link below...