- [ ] https://github.com/stupidpupil/wales_lsoa_trip_points - [ ] https://www.datadictionary.nhs.uk/nhs_business_definitions/lower_layer_super_output_area.html - [ ] gridall postcodes https://digital.nhs.uk/services/organisation-data-service/export-data-files/csv-downloads/office-for-national-statistics-data
