Secondary lining reaches halfway on Tideway Tunnel eastern section
Secondary lining on the final, easternmost section of London’s super sewer has now passed the 50% mark.
Ofwat amends Thames Tideway licence to protect costs of the project after Covid-19
Ofwat has agreed to adjust the licence of Thames Tideway Tunnel, to ensure that the project can be completed after it was severely impacted by the Covid-19 pandemic and historically low interest rates.
Tideway to review potential carbon savings if supersewer was commissioned today
Tideway, the company responsible for the design, finance, construction and commissioning of the Thames Tideway Tunnel in London, is undertaking a review to determine where carbon savings could be made if the project was commissioned today.
Interim report confirms Tideway Tunnel project remains on track for 2025 completion
Tideway, the company building London’s new super sewer, remains on track to deliver the project by 2025, following the most substantial review of the programme since 2018, according to its Interim Report and Financial Statements for the six months ended 30 September 2021 published this morning.
Ofwat consults on proposals to allow Tideway to pass increased costs from Covid-related impacts on to customers
Ofwat has launched a new consultation on proposals to allow Tideway to pass a proportion of increased costs in the order of £200 million from Covid-related impacts on to customers.
Tideway Tunnel – last tunnelling machine breaks ground on final 5.5km section of super sewer for London
The team on Tunnel Boring Machine (TBM) Selina at Chambers Wharf has broken ground on the final 5.5km stretch of the Tideway Tunnel super sewer for London.
Tideway Chief Executive and Chief Operating Officer overpaid extra £349,000 by mistake
The Chief Executive and Chief Operating Officers of Tideway have been paid an extra £349,000 by mistake, according to the company’s Interim Report and Financial Statements for the six months ended 30 September 2020 published yesterday.
Covid-19 - Tideway warns supersewer costs rise by further £233m and completion put back by 9 months
Covid19 restrictions have added a further £233 million to previous cost estimates for the Thames Tideway supersewer project, putting the overall cost of the project at £4.133 billion, while completion has been delayed by 9 months.
Costs for Tideway supersewer could rise £900m in worst case scenario on completion in 2024
The final cost of London’s supersewer could be as much as £900 million above the original regulatory baseline of £3.4 billion, rising to £4.3 billion by completion in 2024 in the worst case scenario, according to the 2019-20 Annual Report published by Tideway, the company building the supersewer for Thames Water.
Tideway Tunnel supersewer reaches halfway construction point
Tunnelling on the the Thames super sewer for London has reached the halfway construction point.
News Showcase
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Making storm overflow data make Sense – Metasphere launches dedicated monitoring device
With the UK government demanding a 50% reduction in storm overflow spills by 2029, the era of reactive management is over. Speaking in the House of Commons on 21 July 2025, then environment secretary Steve Reed said, “This Government will cut water companies’ sewage pollution in half by the end of the decade.” -
King’s Award for Enterprise shows ERG moving forward with growth in UK and Asia
ERG, the leading supplier of odour control systems and industrial gas cleaning & thermal systems, has been awarded the coveted King’s Award for Enterprise. -
Welsh Water’s ORAI system shortlisted for three categories at the British Data Awards 2026
Welsh Water’s new artificial intelligence-driven tool, ORAI, has been shortlisted for three categories at the prestigious British Data Awards 2026 – underscoring the company’s commitment to using cutting-edge technology to deliver better outcome for customers. -
Barhale completes two Rapid Action Taskforce Spills projects for Severn Trent
Barhale has completed work on two separate Rapid Action Taskforce Spills projects it is carrying out for Severn Trent.
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