I got this message this morning. I don't have an account with British Gas. However this phishing mail looks very real, please don't click into the "Restore My Account Now" all they want is your Bank Account details so they can clear it.
Dear Customer:
British Gas account deleted due to T.O.S violation
This message confirms that your British Gas account was deleted due to violation of systems security terms of services that was left unresolved following British Gas yearly system upgrade notification which was sent 02 January,2015.
"Restore My Account Now"
British Gas accounts can only be restored within a short period of time after deletion.
Note: It may not be possible to retrieve some datas related to already deleted British Gas account.
Notice Date: Tue, January 27, 2015
Received from: British Gas Technical Support
Status: T.O.S Violation
Ticket ID: BG-1Q868119
Kind regards,
British Gas Technical Support.
Secured by British Gas Security Systems.