I posted this (http://news.ycombinator.com/item?id=1236781 http://news.ycombinator.com/item?id=1236781) with a link to The Guardian article (http://www.guardian

I posted this (http://news.ycombinator.com/item?id=1236781 http://news.ycombinator.com/item?id=1236781) with a link to The Guardian article (http://www.guardian.co.uk/news/datablog/2010/apr/02/ordnance-survey-open-data http://www.guardian.co.uk/news/datablog/2010/apr/02/ordnance...). The Guardian have long run a campaign to get the UK to open their data, and the OS is a really big win. Prior to this, post-office data was very expensive to license (despite the information having been gathered with UK tax payer money) You can browse the data available and download the CSVs directly here: http://data.gov.uk/data/publicbody/Ordnance%2520Survey http://data.gov.uk/data/publicbody/Ordnance%2520Survey Data includes full postcode lookup: http://data.gov.uk/dataset/os-code-point-open http://data.gov.uk/dataset/os-code-point-open And all transit (bus stops, train stations): http://data.gov.uk/dataset/naptan http://data.gov.uk/dataset/naptan