This database contains Ordnance Survey data © Crown copyright and database right 2010; NISRA data © Crown copyright; Royal Mail data © Royal Mail copyright and database right 2010 (Code-Point Open); Office for National Statistics data © Crown copyright and database right 2010 (ONSPD) and © Crown copyright 2004 (Super Output Areas).

Great Britain non-SOA data may be used under the terms of the OS OpenData licence (PDF).
Northern Ireland boundaries may be used under the Open Government Licence.
Northern Ireland postcode data may be used under the terms of the ONSPD licence (Word).
Great Britain Output Area and Super Output Area data may presumably be used under OS OpenData and the Open Government Licence.