Hi,
Have a look at some of the Post Office "Address Products":
http://postcode.royalmail.com/portal/rm/jump1?catId=400120&mediaId=400084
<http://postcode.royalmail.com/portal/rm/jump1?catId=400120&mediaId=400084>
The "Post Town Gazetter" looks promising. You may be able to hook
into the Google API with this, or similar to get Long & Latitude:
http://developer.yahoo.com/maps/rest/V1/geocode.html
http://jamesewelch.wordpress.com/2007/10/05/how-to-convert-a-street-address-to-longitude-and-latitude-geocoding-via-web-services/
<http://jamesewelch.wordpress.com/2007/10/05/how-to-convert-a-street-address-to-longitude-and-latitude-geocoding-via-web-services/>
HTH
Glen
Paul Steven wrote:
I am creating a UK based estate agent site and would like to implement a
proximity search function.
i.e the user would type in the area that they are looking for a house as well
as a search radius and the site would display a list of all matching houses for
sale in this area.
I am assuming I will need a list of every town, village and city in the UK with
their associated longitude and latitude however I am really struggling to find
one. Can anyone suggest where I can find such a list. I don't mind paying for
one assuming I don't have to sell my house to do so.
If I can get this list, then my theory is to use pythagoras theorem to work out
which properties are within the specified radius. Not sure how practical this
will be.
So if anyone has created similar functionality I would really appreciate some
tips.
Thanks in advance
Paul
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Glen Pike
01326 218440
www.glenpike.co.uk <http://www.glenpike.co.uk>
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