Product Refresh Dates

The latest refresh dates for OS MasterMap Topography Layer data

OS MasterMap Topography Layer future publication dates

Below is our future schedule of extraction and publication dates for OS MasterMap Topography Layer. We aim to keep this schedule up to date, but you should treat these dates as a guide only as they are subject to change. The extraction date will be confirmed on the publication date.​

Please note these dates only apply to bespoke polygons, 'area of interest' orders and national sets.

Publication date	Extraction date

OS MasterMap Topography Layer past publication dates

Here are the dates when OS MasterMap Topography Layer was previously refreshed.

Publication date	Extraction date
04 November 2024	17 October 2024
23 September 2024	05 September 2024
12 August 2024	25 July 2024
24 June 2024	06 June 2024
13 May 2024	25 April 2024
02 April 2024	14 March 2024
19 February 2024	01 February 2024
04 January 2024	14 December 2023
20 November 2023	02 November 2023
09 October 2023	20 September 2023
29 August 2023	09 August 2023