Whito directory · Operator
Tideway
BAZALGETTE TUNNEL LIMITED, company number 09553573. Active, incorporated 21 April 2015. Checked at Companies House on 23 September 2026.
What they actually do
Owns the Thames Tideway Tunnel, London’s 25km “super sewer”. “Tideway” is the trading name. The company on the register is Bazalgette Tunnel Limited.
Named work
Thames Tideway Tunnel. “After ten years of construction the last of 21 connections has been made … bringing the entire system online.” Thames Water is to operate it as part of its wastewater network once testing ends. Source: Tideway, 14 February 2025
Company record
| Legal name | BAZALGETTE TUNNEL LIMITED |
|---|---|
| Company number | 09553573 |
| Status | Active |
| Incorporated | 21 April 2015 |
| Registered office | Part Level 7, Riverside House, 2a Southwark Bridge Road, London SE1 9HA |
| Group | Bazalgette Holdings Limited (09553510), as shown on Companies House |
| Whito group | Operators and concessionaires |
| Regions | London, tidal Thames |
| Registers and licences | none linked |
| Checked at Companies House | 23 September 2026. No overdue filings shown. |
Limits. A Whito listing is not a recommendation, rating or prequalification. We found no dated official statement that final completion or handover has happened, so we do not say it has.
Every fact on this page was read on 23 September 2026 from the page linked or from the Companies House record for 09553573. Companies House shows what a company has filed. It says nothing about the quality of its work or its finances.
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