On 27 August 2012 23:18, Rob Nickerson <rob.j.nicker...@gmail.com> wrote: > > Hi All, > > Please correct me if I am wrong, but to the best of my understanding we are > still struggling to find a good source of postcode data under an open > licence. From what I understand the CodePoint data set is currently seen as > not available for use in OSM. > > That is where this data set available under the OGL licence may help: > http://www.landregistry.gov.uk/public/information/public-data/price-paid-data > > It's not perfect as it does not provide lat/lon co-ordinates, but it does > include full addresses for residential properties sold within each month. > This means that it gives us a link between address (something we can survey) > and postcode (which we can't easily survey). It also states which properties > are new (i.e. new builds, new addresses). Any thoughts? > > If this is a useful source I was thinking a simple database where we can > look up an address and find a postcode for adding to OSM. Going one step > further we could try to find automatic matches between OSM addresses and > this dataset and therefore generate a list of postcodes that could be > suitable for import. I guess for someone with experience this would be quite > an do-able hack?
Hi Rob, This does indeed seem like a very useful data source. Great find! However, I'm struggling to think of a nice way of visualising it to make it useful. What I've got so far in my mind is: - Take an entry from the list - Take its postcode - Search for the postcode (I've got a curated list of postcodes as part of my PostCodeFinder [1]) - Get the location of the nearest match (hopefully, we'll find at least a CV4-type segment match) - Search for roads within an x mile radius with a matching name - Associate that entry with that road Then we'd need to provide a sort of map or search tool where mappers can get all the entries of interest for their local area. Everything after that would have to be manual. I will try to start to put together some scripts to process and analyse some of this data if I get the chance. Of course, if anyone else wants to jump in, feel free. Matt [1] http://milliams.dev.openstreetmap.org/postcodefinder/ _______________________________________________ Talk-GB mailing list Talk-GB@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-gb