London ‘super sewer’ boss awarded £600,000 pay rise despite £100m cost overrun

Critics question pay rise for Thames Tideway project boss, which is drawn from mandatory add-ons to water bills

The chief executive of the London “super sewer” project has been awarded a £600,000 pay rise even as the firm revealed that the total cost had risen by £100m.

Andy Mitchell received pay of £2.5m for the year to March 2025, up from £1.9m the year before, according to accounts published by the Thames Tideway tunnel builder, Bazalgette Tunnel Limited.