Network route maps

Here you can find out the approximate location of our national gas transmission network. You can also check if our transmission networks may be affected by your works by using the Linesearch website

If you are planning to undertake any ground works, please visit and raise an enquiry with at least 14 days in advance. If you are having difficulties using this service, please contact our Asset Protection Team on 0800 970 7000 or at [email protected] 

If you want to request access to our GIS Data, please contact the National Gas data team at [email protected] 

Overview map of the gas National Transmission System