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    ContractsDesign and Integration Partner for Windermere Water Quality Programme
    Open tender

    Design and Integration Partner for Windermere Water Quality Programme

    Tender closes
    25d
    30 Nov 2026 · in 25 days

    United Utilities seeks a Design and Integration Partner to lead the design, planning, and regulatory approval process for the Only Rainwater into Windermere programme, a major infrastructure initiative to restore Windermere's water quality through comprehensive wastewater and surface water management solutions.

    🇬🇧United Kingdom· North WestPublished 5 Nov 2026· TodayviaFind a Tender
    Tender closes
    25d
    30 Nov 2026 · in 25 days

    Decision brief

    4 fields
    • Contract value
      est.£600,000,000
      Pounds sterling
    • Tender closes
      30 Nov 2026
      25 days left
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom
      North West

    Lifecycle

    Open

    25 days left to bid. Opened today, deadline 30 Nov 2026.

    5 Nov 202630 Nov 2026

    Brief

    United Utilities Water Limited is seeking a Design and Integration Partner (D&IP) to support the Only Rainwater into Windermere (ORiW) programme, a transformational long-term initiative to make Windermere the cleanest lake in England by eliminating wastewater and highway runoff discharges. The ORiW system comprises multiple integrated workstreams including First Time Sewerage connections, First Time Treatment facilities, nature-based surface water management, tunnel and sewer infrastructure, and wastewater treatment upgrades. The D&IP will be responsible for completing feasibility studies, outline design, environmental impact assessments, planning applications, and preparing a Development Consent Order (DCO) submission for this Nationally Significant Infrastructure Project. Key responsibilities include whole system design integration, stakeholder engagement, land surveying and referencing, coordination with Ofwat reporting requirements, and delivery strategy leadership to ensure all programme elements are coordinated and the complete solution meets regulatory approvals and consents. The role is anticipated to span over 4 years in the development phase (circa £60-100m) with potential continuation into delivery phases up to 9 additional years (circa £100-500m depending on the delivery model adopted). The D&IP must demonstrate capability in managing complex multi-workstream programmes, maintaining design consistency, and providing continuity across the complete project lifecycle.

    Track record

    5 awards · 5 winners
    Open panel

    Mostly framework call-offs rather than head-to-head competition.

    In engineering, UNITED UTILITIES WATER LIMITED has awarded 5 contracts to 5 suppliers.

    Who wins here
    1. NSI Water and Wastewater Solutions Ltd1× · 20%
    2. AQUALOGIC (WC) LTD1× · 20%
    3. Amelio Utilities Ltd1× · 20%
    4. Element Materials Technology Environmental UK Ltd1× · 20%
    5. Oss Enviro (Global) Ltd1× · 20%

    Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-07b5da

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    Your fit

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    A straight answer for your business — bid, partner or pass — based on who wins UNITED UTILITIES WATER LIMITED's work like this.

    5 awards · 5 firms

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    UU
    Buyer
    UNITED UTILITIES WATER LIMITED
    Sector
    Engineering