Regulatory Library
Library of documents for Hafren Dyfrdwy
A library of our most recent documents as well as the historic Dee Valley Water documents. As Hafren Dyfrdwy was formed in the middle of the five year period, you will find documents here for Dee Valley Water, Severn Trent and Hafren Dyfrdwy.
Regulatory Reporting
Annual Performance Reports (APR)
- Annual performance report 2019/20 - English (PDF)
- Annual Performance Report 2018/19 - English (PDF)
- Original Annual Performance Report 2018/19 - English (PDF)
- Annual Performance Report 2017/18 - English (PDF)
- Annual Performance Report 2016/17 - ENglish (PDF)
- Annual Performance Report 2015/16 - ENglish (PDF)
Regulatory Accounts
Annual Performance Report summaries for our customers
Methodology Statement
Bioresources Market Information
Statutory Accounting
Annual Report and Accounts (ARA) for Hafren Dyfrdwy
Content surrounding our latest ARA (2019/20) can be found here
- Annual Report and accounts 2019/20 - English (PDF)
- ANNUAL REPORT AND ACCOUNTS 2018/19 - ENGLISH (PDF)
- Annual Report and Accounts 2017/18 - English (PDF)
- Annual Report and Accounts 2016/17 - English (PDF)
- Annual Report and Accounts 2015/16 - English (PDF)
- Annual Report and Accounts 2015/14 - English (PDF)
- Annual Report and Accounts 2013/14 - English (PDF)
- Annual Report and Accounts 2012/13 - English (PDF)
Regulatory Compliance and Assurance
Compliance Statement
Risks, Strengths and Weaknesses and Assurance Plan
- Risks Strengths and Weakness and Assurance plan 2020/21 (PDF)
- Statement of risks, strengths and weaknesses and draft assurance plan 2019/20 - English (PDF)
- Statement of risks, strengths and weaknesses and draft assurance plan 2018/19 - English (PDF)
- Statement of risks, strengths and weaknesses and draft assurance plan 2017/18 - English (PDF)
To request a copy of a report in Welsh, please email compliance.assurance@severntrent.co.uk
Assurance Summary
Final Assurance Plan
Licence Conditions
Network Access Code
Scheme of Charges
Statement of Significant Changes (Non Household)
Content surrounding the most recent changes can be found here
Final Scheme of Charges (Wholesale Non Household)
Final Scheme of Charges (Non Household)
Collected Wholesale Charges
Summary of Charges
Indicative Charges
Board Assurance Statement
Final Scheme of Charges (Household)
Statement of Significant Changes (Household)
- STATEMENT OF SIGNIFICANT CHANGES IN OUR CHARGES 2021/22- ENGLISH (PDF)
- Statement of significant changes in our charges 2020/21- English (PDF)
- Statement of significant changes in our charges 2019/20 - English (PDF)
- Statement of significant changes in our charges 2018/19 - English (PDF)
- Statement of Significant Changes in our Charges 2017/18 - English (PDF)
New Connections Charges
- Developer Services Charges - Wrexham - 2020/21 - English (PDF)
- Developer Services Charges - Powys - 2020/21 - English (PDF)
- DEVELOPER SERVICES CHARGES - WREXHAM - 2019/20 - ENGLISH (PDF)
- DEVELOPER SERVICES CHARGES - POWYS - 2019/20 - ENGLISH (PDF)
- DEVELOPER SERVICES CHARGES - WREXHAM - 2018/19 - ENGLISH (PDF)
- DEVELOPER SERVICES CHARGES - POWYS - 2018/19 - ENGLISH (PDF)
- developer services CHARGES - 2017/18 - English (PDF)
Other significant documents
Customer behaviour
Action Plan for freeze/thaw incident 2018
Welsh language scheme
PR14 reconciliation documents
PR14 reconciliation documents
Consultation Responses
Consultation responses
- PR14 REVIEW - CALL FOR INPUT - SEVERN TRENT AND HAFREN DYFRDWY RESPONSE
- Changing the Water UK metrics in D-Mex - Hafren Dyfrdwy Response
- CONSULTATION ON REGULATORY REPORTING FOR THE 2020-2021 REPORTING YEAR - SEVERN TRENT AND HAFREN DYFRDWY RESPONSE
- Request for Stakeholder views on charging for developer services in Wales - Hafren Dyfrdwy response