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Executive overview
Key findings
£1,169.8 million: revenue in FY2025-26 (actual), against £744 million in FY2016-17
£8,345.0 million: regulatory capital value at 31 March 2026 (actual)
£683: average household bill from April 2026, up 4.8% from £652 (in force)
6 of 23: Ofwat performance targets met in 2025-26, rated "off track" (as reported by Senedd Research)
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Buyer relevance
Who the report is for
Analysts covering UK water companies
Pull ten years of revenue, net debt, regulatory capital value and gearing for Dŵr Cymru Cyfyngedig in one table, with the debt basis of each year labelled.
Suppliers new to the Welsh market
Get a quick reference to the company's regulators, its £6.0 billion 2025-30 allowance and the projects named in 2026, including the £600 million Cwm Taf strategy.
Local government and community bodies in Wales
Check the company's leakage, supply interruption and pollution measures against regulators' commitments before engaging on local service issues.
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Decision scope
Questions answered
How large is Dŵr Cymru Welsh Water?
It serves more than 3.1 million people and supplies an average of 864 megalitres a day, with revenue of £1,169.8 million in FY2025-26.
What is the average household bill?
£683 in 2026-27, up 4.8% from £652, after a c.30% uplift in household bills in 2025-26.
How indebted is the company?
Adjusted net debt (CTA basis) was £5,069 million at 31 March 2026, with regulated gearing of 61% and liquidity of £974 million.
How does it perform for its regulators?
Ofwat rated it off track in 2025-26 with 6 of 23 targets met, and Natural Resources Wales rated it 2-star for 2022 to 2025.
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Inside the report
Inside the complete report
Executive Overview
Utility and Service Mandate
Water Resources and Supply
Infrastructure and Treatment
Networks and Assets
Wastewater and Resource Management
Financial Position
Investment and Major Projects
Tariffs and Customer Context
Governance and Regulation
Forward Developments
Key Intelligence Summary
Source Register
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Public preview
What to watch next
Financial Position
FY2026-27 interim results for liquidity and gearing; Ofwat's next financial resilience assessment.
Investment and Major Projects
Ofwat's final cost change determination, expected after the 24 September 2026 consultation close.
Tariffs and Customer Context
Ofwat's final cost change decision and the 2027-28 charges announcement.
Governance and Regulation
Closure of DWR-2024-00006; Ofwat's 2026-27 category; a Welsh Water Bill.
Ten years of revenue, net debt, regulatory capital value and gearing, with other financial items.
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Included
What you receive
The complete PDF report: 12 pages, 13 sections, 13 tables and a register of 18 sources.
This edition
November 2026, First edition.
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Evidence & method
Evidence and method
The profile draws on Dŵr Cymru Cyfyngedig's audited annual accounts for FY2016-17 to FY2025-26, Ofwat determinations and performance reports, Drinking Water Inspectorate and Natural Resources Wales reports and notices, the October 2026 joint regulator report, and dated 2026 reporting on the company's results and projects.
Sources
18 sources, listed in the report's source register. Evidence current to 12 November 2026. Principal data periods: audited accounts FY2016-17 to FY2025-26 (years ended 31 March); Ofwat assessments 2019-20 to 2025-26; calendar 2018 to 2025 drinking water and environmental data; status as of 12 November 2026. All currency is pounds sterling (£)..
Evidence boundaries
This report uses authoritative source material available at the stated research cutoff. It distinguishes published facts, calculated values and analytical interpretation. No independent modelling is performed. Forward-looking analysis reflects published plans, documented trends and stated uncertainties. It does not constitute legal, financial, investment or engineering advice.
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Lead analyst
Robert C. Brears
Founder, Our Future Water Intelligence
Robert C. Brears is a water-security specialist and author whose work examines utility governance, infrastructure investment, climate resilience and long-term water-system change for executive and policy audiences.
- Decision-focused utility intelligence
- Published water-policy author
- Evidence-grounded system analysis
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Buyer FAQs
Before you purchase
Who can use the report?
Licensed for internal use within one purchasing organization. The PDF and its contents may be shared with colleagues within that organization. External redistribution, resale and public publication are prohibited without permission.
How is the report delivered?
The PDF is available to download immediately after confirmed payment, through our secure delivery system.
Can my organization buy wider access?
Institutional purchasing: For invoice enquiries, multi-organization licensing or broader access requirements, contact Our Future Water Intelligence.
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Utility Intelligence Profile: Dŵr Cymru Welsh Water
- Format
- Length
- 12 pages
- Edition
- November 2026, First edition
- Price
- USD 99
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Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Utility Intelligence Profile
- Edition
- November 2026, First edition
- Format
- Length
- 12 pages
- Reference
- OFW_EXT_DWR_CYMRU_WELSH_WATER_UTILITY_INTELLIGENCE_PROFILE_a8eb44c6dffd
- Evidence current to
- 12 November 2026
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