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.
Transmission network shapefiles
These datasets are for indicative purposes only. They can only be used for emergency and land use planning and cannot be used for commercial purposes. They are owned by National Grid and you are required to acknowledge us in your product or application using "© National Grid UK".
This data is supplied on a best-effort basis only, using available information as documented at the time by the transmission network operators. While every effort is made to make sure the information is accurate and up-to-date, we do not accept any liability for any direct, indirect, or consequential loss or damage of any nature--however caused--which may be sustained as a result of reliance upon such information.
The datasets contain gas transmission data only. For gas distribution data, please contact the distribution company for your area. You can find your local distribution company by going to the Energy Networks website.
If you are planning to undertake any ground works, please visit the Cadent Gas website or contact the Plant Protection team at least 14 days in advance.
All datasets are accompanied with Gemini 2.2 metadata.
Dates of modification:
- Gas Pipe – 14 October 2019
- Gas Site – 07 February 2020
Gas network maps
If you have any National Grid transmission GIS-related enquiries, please email [email protected].
Identify the area you are interested in and download the corresponding document. Our national transmission high-pressure gas pipelines are shown in pink against a general map background.
If you are planning to undertake work please contact us at least 14 days in advance.
If you have a compatible GIS you may be able to use the gas shapefiles that represent this network.
Open configuration options
Emergencies and safety advice
If you smell gas or have accidentally hit the NTS pipeline please call us urgently on 0800 111 999.
Electricity network route maps
Here you can find out the approximate location of assets on the electricity transmission network.