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212

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4

Hi,

Is anyone aware of a free web service which allows me to translate uk postcodes to easting and northings. I found a website where I can use screen scraping but perhaps there is a nice FREE web service out there. Thanks!

Christian

A: 

Check out NPE Map

bogdanvursu
Thanks nice one. This works fine. I am using C# and used this: http://geekswithblogs.net/rakker/archive/2006/04/21/76044.aspx
csetzkorn
Seems to be really fast too and I presume they have the freshest data
csetzkorn
@csetzkorn this is "crowdsourced" data created by volunteers entering postcodes against 50 year old 1:50 000 maps. It's not necessarily very accurate.
MarkJ
Thanks for this information
csetzkorn
just to be controversial; you can still get the RoyalMail database of wikileaks.
Chris M
+7  A: 

The ordnance survey have open sourced their list of postcodes including geographic coordinates (you may have to do some converting though). I haven't used the data myself yet, but I think this fits the bill.

Code-Point Open is a dataset that contains postcode units, each of which have a precise geographical location.

There are approximately 1.7 million postcode units in England, Scotland and Wales. Each postcode unit, such as KY12 8UP or PO14 2RS, contains an average of fifteen adjoining addresses.

Northern Ireland postcodes are not available with Code-Point Open.

Note that due to the nature of the british postcode system, updates happen quite frequently during a year. Make sure you download new versions as they are released.

Pekka
More info and links at http://www.freepostcodes.org.uk/
AakashM
A: 

Just heard about this:

http://www.ordnancesurvey.co.uk/oswebsite/opendata/index.html

might be usful as well.

Christian

csetzkorn