Description: PUBLIC SECTOR MAPPING AGREEMENT (PSMA) LICENCE - please refer to the PSMA licensing guide if you plan to use/publish this data to a non-PHE audience (or contact gis@phe.gov.uk): https://www.ordnancesurvey.co.uk/business-and-government/help-and-support/public-sector/guidance/index.htmlDATA CURRENCY: 01/01/2019OS Code-Point with polygons contains postcode boundaries for Great Britain, including the extent of each postcode unit. It captures every fully matched address in the correct boundary and within the sector boundaries prescribed by Royal Mail, and is significantly more accurate than previous products of this type.A boundary clearly shows the national extent of each postcode unit, enabling non-addressable data to be analysed on a postcode basis, and results can be related to local authority and National Health areas.https://www.ordnancesurvey.co.uk/business-and-government/products/code-point-with-polygons.htmlhttps://www.ordnancesurvey.co.uk/docs/user-guides/code-point-polygons-user-guide.pdf