United Utilities launches tender for Only Rainwater into Windermere Design and Integration Partner
United Utilities is procuring a single Design and Integration Partner to lead the development and consenting phase of the Only Rainwater into Windermere infrastructure programme.
United Utilities Water Limited has issued a procurement notice to appoint a single Design and Integration Partner for the Only Rainwater into Windermere programme. The initiative aims to remove discharges from public and private sources, manage highway runoff, and deliver resilient wastewater infrastructure through workstreams including First Time Sewerage, First Time Treatment, nature-based surface water management, and tunnels, sewers, and rising mains. The infrastructure is anticipated to be promoted through a Development Consent Order as a Nationally Significant Infrastructure Project subject to Section 35 approval by Defra. The appointed partner will handle outline design, planning, consents, environmental impact assessments, stakeholder engagement, site investigations, and early contractor involvement.
Suppliers offering design, integration, planning, and environmental services may find substantial commercial opportunities supporting the single appointed Design and Integration Partner across the feasibility, outline design, and potential delivery phases. The programme structure indicates extensive subcontracting and integration pathways across multiple engineering and environmental workstreams. Bidders may need to align with the overarching goals of achieving the target end state and preparing for upcoming price review and environmental reporting requirements.
- United Utilities issues a tender notice to appoint a single Design and Integration Partner for the Only Rainwater into Windermere programme.
- The appointed partner completes feasibility, outline design, environmental impact assessments, and land referencing.
- The infrastructure is promoted through a Development Consent Order as a Nationally Significant Infrastructure Project subject to Section 35
- The programme advances to the delivery phase with potential ongoing support from the Design and Integration Partner through various delivery
- Subcontractors specialising in site investigation, environmental surveying, and stakeholder engagement will be engaged by the winning partner.
- Future delivery contractors will need to interface with the system integrator or enter into strategic subcontracts for detailed design work.
- Contract award announcements for the single Design and Integration Partner role.
- Updates regarding the Section 35 approval from Defra for the Nationally Significant Infrastructure Project designation.
- If you provide design, planning, or environmental services, review the scope requirements to position as a subcontractor to bidding consortia.
- If you offer civil or process engineering consultancy, monitor the procurement portal for clarifications and submission milestones.
Possible consequences, not predictions. Window: 0 to 6 months.
- What are the specific evaluation criteria and timeline for the competitive tendering procedure?
- How will the single Design and Integration Partner structure its supply chain for specialist environmental and ground investigation services?
- What exact contractual call-off terms are planned for potential transition into the delivery phase?
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Sources
- Event date
- 6 November 2026
- Detected by BuzzBaboon
- 2026-11-09 07:32 UTC
- Last updated
- 2026-11-09 07:32 UTC
- Verification status
- primary-source-read
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