ORiW - Design and Integration Partner

Value: £600m
Closes: 30 Nov 2026 (22 days)
Where: North West
Lots: 1
Suitable for SMEs: Not stated
Contract: 15 Apr 2027 – 14 Apr 2031

Framework: winning a place puts you on an approved list for future work. It's the entry ticket, not guaranteed work.

In plain English

United Utilities Water Limited wants a Design and Integration Partner for its Only Rainwater into Windermere programme in the North West, covering outline design, environmental surveys, planning and Development Consent Order applications, and land work. The estimated value is £600,000,000 and the contract period runs from 15 April 2027 to 14 April 2031, with bids due by 30 November 2026.

Good fit for: Large engineering design and consultancy firms, or consortia, able to lead major water infrastructure design, planning and consents work.

Written with AI from the official notice. Check the notice before relying on it.

What the buyer says

This notice relates to tender activity for the provision of certain design and integration services, as explained below. United Utilities Water Limited (UU) proposes to deliver a programme titled Only Rainwater into Windermere (ORiW), with the ambition to make Windermere the cleanest lake in England by removing discharges from both public and private sources, while also addressing highway runoff. This is a long-term, transformational programme designed to protect the lake's ecology, water quality and amenity value for future generations. The target end state is "Only Rainwater into Windermere", restoring the lake as close as possible to its natural condition and reducing the risk of harmful algal blooms and chemicals. The programme will deliver resilient wastewater infrastructure that supports communities, businesses and the wider National Park, while creating a potential blueprint for freshwater restoration across England. This Scope of Requirements does not include agricultural impacts; these are being considered by other programmes. A coalition has been established to develop and deliver the ORiW feasibility phase. It brings together key stakeholders, including UU, local authorities, regulators and environmental organisations, to provide strategic direction and has sponsored the commission of a ‘feasibility study’ to ascertain the art of the possible for achieving ORiW. Through the commission there are now feasible options for achieving the ambition, to improve water quality, and enhance the environmental resilience of the Windermere catchment, through a proposed ORiW system and wider infrastructure. The proposed ORiW system is made up of multiple workstreams; • First Time Sewerage (FTS), connecting properties to the public sewer network that are currently outside of…

Read the official notice Tender documents

Getting the documents

uk.eu-supply.com (the buyer's own site, usually free to register).

Procedure: Competitive flexible procedure (Flexible: the buyer sets the stages, often a shortlist first, then bids). Published 5 Nov 2026.

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