This is a file I created by scraping data from a freely available Geographical API. It has proven really useful for Qlik Sense Mapping visualizations.
It contains the latitude and longitude of every uk postcode. It also includes the Easting, Northing, Grid Reference, District, Ward, District Code, Ward Code and Country.
You can use this file in a tool like Qlik Sense to make fancy maps like the one below:
You can follow these video instructions to get one of these pretty interactive maps up and running: