Your new address
Your address is your Hall Code, flat number, room number. E.g. if you are GWE001/07, that is Gwenllian Flat 001, Room 7 (See Tenancy Agreement sent to you for details). The flat number does not relate to floor number.
For information on addressing UK & International mail, see: Royal Mail Guide Addressing Your Mail.
Advice on delivery in the UK, see: Royal Mail Top Tips for Sending Mail