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Who we are

As a water and sewerage company we provide essential services to 2.9 million customers across the south west of England.
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We are recognised by our regulators as one of the leading water and sewerage companies in England and Wales.
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Our customers, the environment and our employees are at the heart of our business.
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We set out our key priorities for the future, based on wide and continuous conversations with our customers and stakeholders.
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Document library
Our charges documents

Our charges documents

Wholesale charges

Indicative Wholesale Charges 2025-26

Board Assurance Statement for Indicative Wholesale Charges 2025-26

Indicative Standard Wholesale Charges Template 2025-26

Indicative Wholesale Charges 2025-26 (Excel format)

Statement of Significant Changes for Wholesale Charges 2025-26

Non-household Retailer Letter October 2024

Bulk charges for NAVs

Indicative Bulk Charges for NAVs 2025-26

Indicative Bulk Charges for NAVs Calculator 2025-26

Bulk Charges for NAVs Letter October 2024

New Connections Services Charges

Indicative New Connection Charges 2025-26

Household charges

Household Charges Scheme 2024-25

Household Board Assurance Statement 2024-25

Statement of Significant Changes for Household Charges 2024-25

Wholesale charges

Wholesale Charges Scheme 2024-25

Wholesale Board Assurance Statement 2024-25

Wholesale Charges 2024-25 (Excel format)

Standard Wholesale Charges Template 2024-25

Wholesale Charges for Special Agreements 2024-25

Indicative Wholesale Charges 2024-25

Board Assurance Statement for Indicative Wholesale Charges 2024-25

Indicative Standard Wholesale Charges Template 2024-25

Indicative Wholesale Charges 2024-25 (Excel format)

Statement of Significant Changes for Wholesale Charges 2024-25

Non-household Retailer Letter September 2023

Bulk charges for NAVs

Bulk Charges for NAVs 2024-25

Bulk Charges for NAVs Method Statement 2024-25

Bulk Charges for NAVs Board Assurance Statement 2024-25

Bulk Charges for NAVs Calculator 2024-25

Indicative Bulk Charges for NAVs 2024-25

Indicative Bulk Charges for NAVs Calculator 2024-25

NAV Costs Checklist 2024-25

Bulk Charges for NAVs Letter September 2023

New Connections Services Charges

New Connection Board Assurance Statement 2024-25

New Connection Services Charging Arrangements 2024-25

New Connection Services Charges Calculator 2024-25

New Connection Service Charges - Scenario 1 Calculator 2024-25

New Connection Service Charges - Scenario 2 Calculator 2024-25

New Connection Service Charges - Scenario 3 Calculator 2024-25

New Connection Service Charges - Scenario 4 Calculator 2024-25

New Connection Service Charges - Scenario 5 Calculator 2024-25

New Connection Service Charges - Scenario 6 Calculator 2024-25

Household charges

Household Charges Scheme 2023-24

Household Board Assurance Statement 2023-24

Statement of Significant Changes for Household Charges 2023-24

Wholesale charges

Wholesale Charges Scheme 2023-24

Wholesale Board Assurance Statement 2023-24

Wholesale Charges 2023-24 (Excel format)

Standard Wholesale Charges Template 2023-24

Wholesale Charges for Special Agreements 2023-24

Indicative Wholesale Charges 2023-24

Board Assurance Statement for Indicative Wholesale Charges 2023-24

Indicative Standard Wholesale Charges Template 2023-24

Statement of Significant Changes for Wholesale Charges 2023-24

Non-household Retailer Letter August 2022

New connections service charges

New Connection Board Assurance Statement 2023-24

New Connection Services Charging Arrangements 2023-24

New Connection Statement of Significant Change 2023-24

New Connection Services Charges Calculator 2023-24

New Connection Service Charges - Scenario 1 Calculator 2023-24

New Connection Service Charges - Scenario 2 Calculator 2023-24

New Connection Service Charges - Scenario 3 Calculator 2023-24

New Connection Service Charges - Scenario 4 Calculator 2023-24

New Connection Service Charges - Scenario 5 Calculator 2023-24

New Connection Service Charges - Scenario 6 Calculator 2023-24

Your Views on our New Connection Charges 2023-24

Bulk charges for NAVs

Bulk Charges for NAVs 2023-24

Bulk Charges for NAVs Method Statement 2023-24

Bulk Charges for NAVs Board Assurance Statement 2023-24

Bulk Charges for NAVs Calculator 2023-24

Indicative Bulk Charges for NAVs Calculator 2023-24

Indicative Bulk Charges for NAVs 2023-24

Indicative Bulk Charges for NAVs Method Statement 2023-24

Peer Review of our Approach to Bulk Charges for NAVs, Frontier Economics (November 2022)

Bulk Charges for NAVs Letter August 2022

Household charges

Household Charges Scheme 2022-23

Household Board Assurance Statement 2022-23

Statement of Significant Changes for the Household Charges Scheme 2022-23

Wholesale charges

Wholesale Charges 2022-23

Wholesale Board Assurance Statement 2022-23

Standard Wholesale Charges Template 2022-23

Wholesale Special Agreements 2022-23

Indicative Wholesale Charges 2022-23

Wholesale Board Assurance Statement for Indicative Wholesale Charges 2022-23

New connection service charges

New Connection Service Charges Board Assurance Statement 2022-23

New Connection Services Charging Arrangements 2022-23

New Connection Services Charges Calculator 2022-23

New Connection Service Charges - Scenario 1 Calculator 2022-23

New Connection Service Charges - Scenario 2 Calculator 2022-23

New Connection Service Charges - Scenario 3 Calculator 2022-23

New Connection Service Charges - Scenario 4 Calculator 2022-23

New Connection Service Charges - Scenario 5 Calculator 2022-23

New Connection Service Charges - Scenario 6 Calculator 2022-23

Bulk charges for NAVs

Bulk Charges for NAVs Scheme 2022-23

Bulk Charges for NAVs Calculator 2022-23

Bulk Charges for NAVs Board Assurance Statement 2022-23

Bulk Charges for NAVs Letter Oct 2021

Household charges

Household Charges Scheme 2021-22

Household Board Assurance Statement 2021-22

Statement of Significant Changes for the Household Charges Scheme 2021-22

Wholesale charges

Wholesale Charges 2021-22

Wholesale Board Assurance Statement 2021-22

Standard Wholesale Charges Template 2021-22

Wholesale Special Agreements 2021-22

Indicative Wholesale Charges 2021-22

Wholesale Board Assurance Statement for Indicative Wholesale Charges 2021-22

New connection service charges

New Connection Services Charging Arrangements 2021-22

New Connection Services Charges Calculator 2021-22

New Connection Service Charges Board Assurance Statement 2021-22

New Connection Service Charges Statement of Significant Changes 2021-22

New Connection Service Charges - Scenario 1 Calculator 2022-22

New Connection Service Charges - Scenario 2 Calculator 2021-22

New Connection Service Charges - Scenario 3 Calculator 2021-22

New Connection Service Charges - Scenario 4 Calculator 2021-22

New Connection Service Charges - Scenario 5 Calculator 2021-22

New Connection Service Charges - Scenario 6 Calculator 2021-22

New Connection Service Charges - Scenario 7 Calculator 2021-22

New Connection Service Charges - Scenario 8 Calculator 2021-22

New Connection Service Charges - Scenario 9 Calculator 2021-22

New Connection Service Charges - Scenario 10 Calculator 2021-22

Bulk charges for NAVs

Bulk Charges for NAVs 2021-22

Bulk Charges for NAVs Calculator 2021-22

Bulk Charges for NAVs Board Assurance Statement 2021-22

Indicative Bulk Charges for NAVs 2021-22

Household charges

Household Charges Scheme 2020-21

Household Board Assurance Statement 2020-21

Statement of Significant Changes 2020-21

Wholesale charges

Wholesale Charges 2020-21

Wholesale Board Assurance Statement 2020-21

Standard Wholesale Charges Template 2020-21

Wholesale Special Agreements 2020-21

Indicative Wholesale Charges 2020-21

Wholesale Board Assurance Statement for Indicative Wholesale Charges 2020-21

Wholesale Charges Notification of Expected Changes 2020-21

New connection service charges

New Connection Services Charging Arrangements 2020-21

New Connection Services Charges Calculator 2020-21

New Connection Service Charges Board Assurance Statement 2020-21

Bulk charges for NAVs

Bulk Charges for NAVs 2020-21

Bulk Charges for NAVs Calculator 2020-21

Bulk Charges for NAVs Board Assurance Statement 2020-21

Household charges

Household Charges Scheme 2019-20

Household Board Assurance Statement 2019-20

Statement of Significant Changes 2019-20

Wholesale charges

Wholesale Charges 2019-20

Wholesale Charges Board Assurance Statement 2019-20

Standard Wholesale Charges Template 2019-20

Wholesale Special Agreements 2019-20

Indicative Wholesale Charges 2019-20

Wholesale Board Assurance Statement for Indicative Wholesale Charges 2019-20

Wholesale Charges Notification of Expected Changes 2019-20

Developer charges

New Connection Services Charging Arrangements 2019-20

Developer Charges Calculator 2019-20

Developer Charges Board Assurance Statement 2019-20

Bulk charges for NAVs

Bulk charges for NAVs 2019-20

Bulk charges for NAVs calculator 2019-20

Bulk Charges for NAVs Board Assurance Statement 2019-20

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Wessex Water Services Ltd, Registered in England No. 2366648 Registered Office: Operations Centre, Claverton Down Road, Claverton Down, Bath BA2 7WW

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