Product refresh dates

Please visit the OS website for information about the update frequencies of our Premium Download products and the calendar months in which they are updated:

Premium Product update frequencies

Upcoming AddressBase epoch publication dates

Epoch number

Publication date

Data cut date

OS MasterMap Topography Layer

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

1:25 000 Scale Colour Raster

March, June, September and December

1:50 000 Scale Colour Raster

March, June, September and December

February, May, August and November

Code-Point with Polygons

January, April, July and October

OS Detailed Path Network

OS MasterMap Highways Network

OS MasterMap Imagery Layer

February, May, August and November

OS MasterMap Sites Layer

OS MasterMap Water Network Layer

January, April, July and October

OS VectorMap Local – colour backdrop

January, April, July and October

March, June, September and December

Upcoming AddressBase epoch publication dates

Epoch number

Publication date

Data cut date

OS MasterMap Topography Layer future publication dates

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