OSM user SK53 shows on his blog what potential exists in the OSM-data. Together with population related Super Output Areas from the British Government an interesting map on the pub density in the UK has been developed. The data quality of OSM however is not consistent throughout the UK but nevertheless I think some interesting relations can be seen in the map. The focus map on London shows how the pubdensity is concentrated in the center and is relatively low in the suburbs.
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