If your enquiry is urgent and/or you prefer to contact us by telephone, our number is 0870 903 9999. This number is charged at a local rate if called from a landline (mobiles will differ, please consult your provider). Our agents are available to take your call from 8am until 6pm Monday to Friday (excluding bank holidays).

Alternatively write to:

Sales Order Processing

National Grid

PO Box 5516



Or Fax: 0845 366 8911

If you smell gas or are worried about gas safety in Britain, call our free 24 hour helpline on 0800 111 999. (Calls are recorded and may be monitored).