AddressBase, AddressBase Plus and AddressBase Premium are updated every six weeks. This six week period of time is known as an Epoch.
The product is currently available as a full supply or Change Only Update (COU) each Epoch.
|Epoch number||Publication date||Data cut date|
|58||11 May 2018||06 April 2018|
|59||21 June 2018||18 May 2018|
|60||02 August 2018||29 June 2018|
|61||13 September 2018||10 August 2018|
Please note that future dates are provided as an indication only and are subject to change. Data cut dates are estimated; these are given to provide an indication of the last point at which changes will reach the epoch.
Past Publication Dates
|Epoch number||Epoch refresh dates|
|57||29 March 2018|
|56||23 February 2018|
|55||11 January 2018|
|54||24 November 2017|
|53||13 October 2017|
|52||1 September 2017|