Last reviewed: 10.4.2012 - 5.22pm

Out wih the old, and in with the new

We have replaced more than 1,400 miles of old water mains, to reduce leaks and bursts and improve supplies for a growing population.

Please click the links below to find out more.

In this section

Why we are replacing pipes

London's water mains are among the the oldest in the UK, with 44 per cent over 100 years old. 

Possible impacts of our work

Find out how our mains replacement work may affect you, both during and after the work has been completed.

How we replace pipes

Read about the various ways we can go about replacing the Victorian water mains in your street.

Easing congestion in the capital

We were the first UK utility to start using road plates to allow motorists to drive straight over open trenches where we are working.

Frequently asked questions

Read answers to the most frequently asked questions about out Victorian mains replacement programme.

Contact us

Find out how to contact us if your would like more information on our mains replacement work.

Victorian mains replacement

Email this to a friend

Thank you

Your email has been sent