Source: https://tendernation.io/opportunities/01a13be5-89db-702c-ac9d-f5cf217e346f/capital-design-services-framework-tender pending GB open procedure Suitable for SMEs # Capital Design Services Framework Tender [Severn Trent Water Limited](https://tendernation.io/buyers/severn-trent-water-limited) Estimated value £200,000,000 Published 25 Aug 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender STW and HD (together, the "Contracting Authorities") are running a procurement to establish a framework agreement for the delivery of capital design services across their operating areas in England and Wales. The framework will be a 'Closed Framework' as per the Procurement Act 2023 rules. It has an estimated total value of £200 million (excluding VAT) to support delivery of its Capital investment programme across AMP8, AMP9 & AMP10. The framework will provide end-to-end capital design services, and we are seeking partners capable of delivering across the full design development lifecycle, including: - Optioneering and feasibility studies - development and appraisal of innovative, value-driven solutions - Outline design - Development of preferred options and robust, deliverable concepts - Detailed design - Development of the approved solution into a fully coordinated and construction-ready design. The framework will include without limitation, design services covering: - Water networks - Waste networks - Water treatment processes - Waste treatment processes - Potable tanks - Distribution Service Reservoir (DSR) - Bio resources - Secondments This is a strategic opportunity to support the Contracting Authorities in delivering a significant capital investment programme, ensuring schemes are developed efficiently, sustainably, and in line with regulatory and performance commitments. We are particularly interested in engaging with suppliers who can demonstrate: - Strong technical capability across all stages of capital design - Experience delivering projects within the regulated water sector - Commitment to safety, sustainability, and value optimisation. Further information on the procurement process, associated timelines, and the Contracting Authorities' expectations regarding collaborative and innovative approaches to scheme development will be shared in due course. Read full description ## CPV classification Engineering design services Engineering support services Source Find a Tender (UK) · Notice ocds-h6vhtk-06d57c-2026-08-25T11:10:29+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06d57c-2026-08-25T11:10:29+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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