01
Executive overview
Key findings
£6.0 billion: Ofwat's total expenditure allowance for 2025-30 (approved allowance); the company plans £4.2 billion of capital investment
£617 million: network investment in 2025-26 (company figure), against about £665 million guided in November 2025
£1,169.8 million: revenue in FY2025-26; regulated gearing 61% and liquidity £974 million at 31 March 2026
£600 million: Cwm Taf Water Supply Strategy; planning applications lodged in late October 2026
02
Buyer relevance
Who the report is for
Civil and process contractors
Identify the design and build and network framework holders to approach before storm overflow and phosphorus schemes, worth £889 million and £160 million, reach the supply chain.
Infrastructure investors and consortium leads
Prepare for the £600 million Cwm Taf competition under Direct Procurement for Customers, with procurement due to start in early 2027.
Leakage, metering and network technology suppliers
Target the Water Network Alliance, with an estimated maximum of £400 million for metering and network maintenance, and the company's £85 million leakage spend in 2025-26.
Business development teams new to Welsh Water
Register on the right channels (Find a Tender, Sell2Wales, Jaggaer and Achilles UVDB) and see which categories rank High, Medium or Low.
03
Decision scope
Questions answered
How much is Dŵr Cymru Welsh Water allowed to spend in 2025-30?
Ofwat allowed £6.0 billion of total expenditure, and the company plans £4.2 billion of capital investment; it reported £617 million of network investment in 2025-26.
Who already holds the AMP8 consultancy work?
Arup, AtkinsRéalis, Mott MacDonald and Stantec share a £160 million engineering consultancy framework, each worth up to £40 million.
When does Cwm Taf procurement start?
Early 2027, under Direct Procurement for Customers, for a £600 million scheme that lodged planning applications in late October 2026.
Is wastewater delivery on schedule?
Wastewater outputs were 59% ahead of baseline in 2025-26, but Ofwat found wastewater price control deliverable allowances 66% underspent, and less than 40% of wastewater schemes are expected to be with the supply chain by the end of 2026-27, which Ofwat says could lead to slippage later in the period.
04
Inside the report
Inside the complete report
1. The Account at a Glance
2. Organisation and Decision-Making
3. Financial Position
4. Priorities and Pressures
5. How Dŵr Cymru Welsh Water Buys
6. Opportunity Register
7. Commercial Priorities: Where to Focus First
8. Watch List: What to Monitor and What to Do
Source Register
05
Public preview
What to watch next
National Environment Programme sign-off (end-2026)
Unlocks re-phased storm overflow and wastewater schemes.
Cwm Taf procurement launch (early 2027)
The largest single named scheme, under Direct Procurement for Customers.
Ofwat financial monitoring and FY2026-27 interim results
Liquidity fell to £974 million; enhanced monitoring reported.
Ofwat performance category for 2026-27
"Off track" in 2025-26.
The Opportunity Register: status, stage, existing contractors and route in for each programme.

06
Included
What you receive
The complete PDF report: 11 pages, 9 sections, 6 tables and a register of 20 sources.
This edition
November 2026, First edition.
07
Evidence & method
Evidence and method
The brief draws on Ofwat's 2025-30 determination and August 2026 delivery assessment, Dŵr Cymru Cyfyngedig's audited accounts, Drinking Water Inspectorate and Natural Resources Wales reports, the company's supplier pages and the Achilles UVDB notice, and dated 2024 to 2026 reporting on framework appointments and projects.
Sources
20 sources, listed in the report's source register. Evidence current to 12 November 2026. Principal data periods: FY2025-26 audited accounts (year ended 31 March 2026); Ofwat 2025-30 (AMP8) determination and its August 2026 delivery assessment; framework and project status checked against public sources on 12 November 2026. All currency is pounds sterling (£)..
08
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
09
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.
10
Dŵr Cymru Welsh Water: Utility Account Brief
- Format
- Length
- 11 pages
- Edition
- November 2026, First edition
- Price
- USD 499
11
Report details
Publication details
- Publisher
- Our Future Water Intelligence
- Report family
- Utility Account Brief
- Edition
- November 2026, First edition
- Format
- Length
- 11 pages
- Reference
- OFW_EXT_DWR_CYMRU_WELSH_WATER_UTILITY_ACCOUNT_BRIEF_c08df82d4a3b
- Evidence current to
- 12 November 2026
14
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