Thames Water to Launch £1 Billion Framework for Major Projects

Thames Water Utilities Limited will issue a tender for its £1.008 billion Major Projects Framework, aimed at delivering large-scale works and asset upgrades across its network. Covering Asset Management Period 8 (AMP8) with potential extension into AMP9, the framework is intended to build long-term supplier partnerships and streamline procurement.

The nine-year programme, running from March 2026 to March 2033 with a possible extension to 2035, will involve Tier 1 contractors, joint ventures, and consortia. The formal tender notice is expected on 19 September 2025, with submissions due by 15 October 2025 and awards planned for March 2026.