Hi Robert,

On Mon, Oct 23, 2017 at 04:22:35PM +0100, Robert Whittaker (OSM lists) wrote:

If you still have postcodes for those, you can look up the postcode
centroid in Code-Point Open and use that as the lat/lon instead. (In
fact, I think that's what the locations you're currently showing are
at least in a few local authority areas around me -- establishments
with the same postcode seem to have coincident marker positions -- so
presumably that's how many of the <geocode> coordinates have been
computed in the first place.)

Thanks for your email. Yes, I'm pretty sure that's how the locations have been derived in most cases and the comparison tool coalesces nearby establishments into a single marker position and displays a list in the popup for that reason.

If the FSA aren't able to solve the problem, I may add another stage of processing to the comparison tool and look up postcode centroids.

Thanks,
Greg

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