16 Oct 2024

London’s super sewer, designed to protect the River Thames from sewage pollution well into the future, has now been turned on. In May 2024, the new 25km super sewer was connected to the 6.9km Lee Tunnel – completing the full ‘London Tideway Tunnel’ network, which has a combined capacity of 1.6m m3 to protect the River […]

30 Mar 2017

This report examines the evidence base supporting the decision to proceed with the Thames Tideway Tunnel, a tunnel running 25 kilometres from Acton to Abbey Mills, as well as progress achieved to date. Downloads Full Report (pdf – 734KB) Summary (pdf – 89KB) EPUB Version (epub – 1017KB) Press Release ‘The National Audit Office (NAO) has today published […]