These details will appear on your letter.
Put your street, town and postcode on different lines.
If it’s not a UK number, include the country code. If it’s a landline, include your area code.
For example, British Gas or ScottishPower.
Check your bills to find their address. Put the street, town and postcode on different lines.
If you selected no, leave this blank.
You can find your account details by checking bills, letters or emails from your energy supplier. If you have an online account you can also check that.
This might also be called a ‘customer number’.
You might have a separate reference number, for example, if you’ve already written to your supplier and they gave you a reference number in their reply.
If you started the contract less than 14 days ago, leave this section blank.
Include details like names, dates or time frames if you know them.