The Thames Tideway Tunnel will be a 25 km (16 mi) tunnel running mostly under the tidal section of the River Thames through central London to capture, store and convey almost all the raw sewage and rainwater that currently overflows into the river. Bazalgette Tunnel Limited (BTL) is the licensed ‘Infrastructure Provider’ set up to finance, build, maintain and operate the Thames Tideway Tunnel. BTL is a consortium of investors that comprises Allianz, Amber Infrastructure, Dalmore Capital and DIF. From the licence award, BTL trades and is known to the public as ‘Tideway’. On 3 November 2015, BTL received its operating licence from Ofwat, ensuring the start of the project.
South London Timber have supplied the construction timber necessary to facilitate the project.