Tideway completes connection to Lee Tunnel – creating the London Tideway Tunnels
London’s super sewer has been successfully connected to the existing network following a two-week programme of vital work from Tideway and Thames Water.
Tideway - river transport at Chambers Wharf saves 40,000 lorry journeys since tunnelling began
The use of the river for transport at Chambers Wharf, Tideway’s main drive site on the east section of London’s new super sewer, has avoided around 40,000 lorry journeys since tunnelling began.
Complex geometry at Tideway’s Heathwall Pumping Station site
A multidisciplinary team of experts have come together to undertake complex reinforced concrete works at Tideway’s Heathwall Pumping Station site.
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.
London super sewer - Tideway completes 1000th ring on Greenwich Connection Tunnel
The 1000th ring has been installed on the Greenwich Connection Tunnel – part of the new super sewer for London - by Tideway’s Tunnel Boring Machine (TBM) Annie.
Thames Tideway Tunnel - Ofwat waives procurement obligations for autonomous tunnel investigation system
Ofwat has waived Tideway’s procurement obligations in respect of the development and piloting of an autonomous tunnel investigation system for use on the Thames Tideway Tunnel – the eighth Waiver Notice the regulator has issued to Tideway.
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.
Moody's: Government specification of Thames Tideway Tunnel is key step for project
Credit ratings agency Moody's says that today's announcement by the Secretary of State for the Environment, Food and Rural Affairs that the Thames Tideway Tunnel project is being specified under the Water Industry(Specified Infrastructure Projects) (English Undertakers) Regulations 2013 is a key step towards implementation of the project.
Final construction procurement package released for £2.3bn Thames Tideway Tunnel
All main works construction procurement packages for the Thames Tideway Tunnel have now been released with the invitation to tender sent out for the third and final section yesterday.
Thames Water invites Expressions of Interest for £4.2bn role of Tideway Tunnel infrastructure provider
Thames Water has published details about the potential procurement, designation and licensing of the infrastructure provider which will be needed for the construction of the Thames Tideway Tunnel Project – with an estimated value of £4.2 billion.
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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Other Latest News
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- House of Commons Environmental Audit Committee to examine whether biodiversity loss is a threat to national security
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Scottish Water completes £235m investment in two-way connection between drinking water networks
Hear how Scottish Water has completed its £235 million Ayrshire Glasgow Resilience Project - customers across Greater Glasgow, Ayrshire and East Renfrewshire will now benefit from a more secure and resilient water supply. -
United Utilities accelerates investment to reduce spills from storm overflows across Northwest
Hear how United Utilities is accelerating its investment to reduce spills from storm overflows across the Northwest. -
Working for WSP - what if you could build a career as unique as you? With us, you can
Find out more about the remarkable career opportunities on offer at WSP - scroll down to watch the inspirational video.
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