Category: GIS

  • Open Data GB postcode unit boundaries

    Open Data GB postcode unit boundaries

    Summary In October 2020 there was big news for postcode geography geeks like me: the ONS added a postcode column to their NSUL dataset, which gave us for the first time a coordinate and postcode for each property in Great Britain as open data. I’d previously tried to generate polygons for the boundary of each […]

  • Approximate UK postcode boundaries from the Voronoi diagram of ONSPD

    Approximate UK postcode boundaries from the Voronoi diagram of ONSPD

    This work has been superceded by a new dataset of postcode boundaries I’ve since made – this post is here largely for historical interest as a result, but the data may still be useful because it includes some (very approximate) postcode polygons for Northern Ireland, which I didn’t have data for in the new approach. […]