Sources.
One per claim. Primary where possible.
Last audited 2026-04-18. If a link is dead or a figure is stale, flag it and it gets fixed.
Each entry has been retrieved and read directly. Where a claim could not be traced to a primary source within one step, it has been removed from the site rather than cited to secondary reporting.
- 1How we calculate your bill — 2025-26 and 2026-27 chargesSouthern Waterhttps://www.southernwater.co.uk/help-and-support/how-we-calculate-your-bill/All tariff figures used on this site. Fetched directly; tables read from page; figures transcribed verbatim.Accessed 2026-04-18 · primary
- 2Customer bills announcement for 2026/27Southern Waterhttps://www.southernwater.co.uk/latest-news/customer-bills-announcement-for-202627/The 8% average combined bill rise for 2026/27 and the 46.7% rise in 2025/26.Accessed 2026-04-18 · primary
- 3Competition and Markets Authority references — 2024 Price ReviewOfwathttps://www.ofwat.gov.uk/regulated-companies/price-review/2024-price-review/competition-and-markets-authority-references/Regulatory approval of price increases and the appeals by five companies including Southern Water.Accessed 2026-04-18 · primary
- 4Water PR24 price redeterminationsCompetition and Markets Authority, GOV.UKhttps://www.gov.uk/cma-cases/water-pr24-price-redeterminationsThe CMA final determinations published 26 March 2026 on the disputed PR24 appeals.Accessed 2026-04-18 · primary
- 5Monitoring Financial Resilience Report 2024-25Ofwathttps://www.ofwat.gov.uk/wp-content/uploads/2025/11/The-Monitoring-Financial-Resilience-Report_2024-25.pdfSector total borrowings of £82.7 billion at 31 March 2025.Accessed 2026-04-18 · primary
- 6Monitoring Financial Resilience Report 2023-24Ofwathttps://www.ofwat.gov.uk/publication/monitoring-financial-resilience-report-2023-24/Sector net debt of £69.5 billion at 31 March 2024. Dividend policy licence condition effective 2023-24. Sector dividend yield reduced to 3.5%.Accessed 2026-04-18 · primary
- 7Our response to media reports on dividendsSouthern Waterhttps://www.southernwater.co.uk/latest-news/our-response-to-media-reports-on-dividends/Southern Water's own statement that no external dividends have been paid since 2017 and that Macquarie has injected more than £1.6 billion of equity since 2021.Accessed 2026-04-18 · primary
- 8Monitoring Financial Resilience Report 2022-23 — Southern Water equity injection detailOfwathttps://www.ofwat.gov.uk/publication/monitoring-financial-resilience-report-2022-23/£550 million further equity injected into the Southern Water Group in October 2023, of which £375 million received by the regulated entity. £1.1 billion equity injection in September 2021 by Macquarie-managed funds, of which £530 million received by the regulated entity.Accessed 2026-04-18 · primary
- 9Consumer Council for WaterCCWhttps://www.ccw.org.ukThe statutory independent body for water customer complaints in England and Wales. Free.Accessed 2026-04-18 · primary
- 10Water Redress SchemeWATRShttps://www.watrs.orgIndependent binding adjudication for unresolved water disputes, accessed via CCW.Accessed 2026-04-18 · primary
- 11Our complaints procedureSouthern Waterhttps://www.southernwater.co.uk/contact-us/our-complaints-procedure/Southern Water's published stage 1 complaints process.Accessed 2026-04-18 · primary
- 12What if I can't pay my bill?Southern Waterhttps://www.southernwater.co.uk/help-and-support/what-if-i-cant-pay-my-bill/Social tariff offering discounts of at least 45% for eligible customers; Hardship Fund grants and debt write-off.Accessed 2026-04-18 · primary
- 13Find your MPUK Parliamenthttps://members.parliament.uk/FindYourMPCanonical source for MP details, used via the Members API.Accessed 2026-04-18 · primary
- 14Find your supplierWater UKhttps://www.water.org.uk/customers/find-your-supplierOfficial postcode-based lookup of water supplier. Used as the fallback for users whose bill is not to hand.Accessed 2026-04-18 · primary
- 15Boycott Water BillsSick of Sewage / Julie Wassmer, Katy Colleyhttps://www.boycottwaterbills.comExisting Kent and Sussex campaign advocating non-payment of the wastewater portion in protest at sewage pollution. Different remit from this site.Accessed 2026-04-18 · secondary
- 16PN 21/19: Ofwat confirms Southern Water will pay £126m following investigationOfwathttps://www.ofwat.gov.uk/pn-21-19-ofwat-confirms-southern-water-will-pay-126m-following-investigation/The 2019 enforcement case: £3m penalty plus £123m returned to customers for deliberate misreporting of wastewater performance 2010-2017.Accessed 2026-04-20 · primary
- 17Record £90 million fine for Southern Water following Environment Agency prosecutionEnvironment Agency, GOV.UKhttps://www.gov.uk/government/news/record-90m-fine-for-southern-water-following-ea-prosecution2021 Crown Court fine of £90m for 6,971 illegal sewage discharges between 2010 and 2015.Accessed 2026-04-20 · primary
- 18A new vision for water (White Paper)Department for Environment, Food & Rural Affairs, GOV.UKhttps://www.gov.uk/government/publications/a-new-vision-for-water-white-paper/a-new-vision-for-waterThe government's stated intention to abolish Ofwat and bring water system functions currently split between Ofwat, the DWI, EA and Natural England into a single new regulator. Published 19 February 2026.Accessed 2026-04-20 · primary