###UK Postcodes
http://www.doogal.co.uk/UKPostcodesCSV.php?country=England
###GP Practices and Prescriptions
http://datagov.ic.nhs.uk/T201202ADD%20REXT.CSV
http://datagov.ic.nhs.uk/T201109PDP%20IEXT.CSV
More of which can be found at https://data.gov.uk/dataset/gp-practice-prescribing-data