Document library
Read important information relating to our services, tariffs, policies and supporting contractual documentation.
Wholesale service offering
Charges documents
- Wholesale tariff document 2022-23.pdf | 1.8 MB
- Statement of board assurance for wholesale charges 2022-23.pdf | 212.7 KB
- Non-household tariff templates 2022-23.xlsx | 41.2 KB
- NAV billing timetable 2022-23.pdf | 71.6 KB
- NAV tariff document 2022-23.pdf | 599.4 KB
- Non-primary billing timetable 2022-23.pdf | 63.2 KB
- Non-household annual charges calculator 2022-23.xlsx | 38.4 KB
- Wholesale invoicing timetable 2022-23.pdf | 140.4 KB
- Statement of board assurance for wholesale charges 2021-22.pdf | 560.5 KB
- NAV tariff document 2021-22.pdf | 492.1 KB
Applications and contracts
- Wholesale contract.pdf | 156 KB
- Wholesale supply application form.pdf | 37.7 KB
- Common carriage application form.pdf | 146.4 KB
- S1 secondary supplies initial enquiry form.pdf | 57.8 KB
- Draft confidentiality agreement.pdf | 68.1 KB
- Wholesale services agreement - combined supply.pdf | 130.5 KB
- WIRSAE Memorandum of Understanding.pdf | 2.4 MB
Policies
- Thames Water WIRSAE addendum.pdf | 396 KB
- Gap site incentive scheme.pdf | 397.4 KB
- Honest and ethical behaviour policy.pdf | 2.1 MB
- Metering policy.pdf | 401.3 KB
- Sensitive customers code of practice.pdf | 238.3 KB
- Private blockages code of practice.pdf | 390.3 KB
- Disconnections and reconnections code of practice.pdf | 287.7 KB
Access code and compliance code
Alternative credit support agreements
- ADSM 29-03-2022.pdf | 149 KB
- ADSM 29-03-2022.pdf | 150.2 KB
- Anglian 01-04-2021.pdf | 147.1 KB
- ARLA 17-03-2022.pdf | 149.4 KB
- Business Stream 01-04-2021.pdf | 145.7 KB
- Castle 31-03-2022.pdf | 149.1 KB
- Castle 01-04-2021.pdf | 145.8 KB
- Clear Business 26-07-2021.pdf | 145.4 KB
- ConservAqua 01-04-2021.pdf | 145.8 KB
- David Lloyd Leisure 04-04-2022.pdf | 151.9 KB
Data management status reports
We're active members of the Retailer Wholesaler Group and we're working to align with their good practice guidance.