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Mapping On-line

OS Great Britain

Enter placename or postcode to jump to location
1:50,000 Landranger mapping is displayed
Hold mouse to pan map continuously in any direction
Use zoom keys to enlarge to street map or reduce to 1:250,000 scale and smaller
View OS modern on-line mapping


Use SHEETFINDER to identify which One-Inch and 1:50,000 map sheets include a selected place in Great Britain or Ireland.


Ireland, Isle of Man and Channel Islands


  • View OSI mapping on-line (Includes Northern Ireland)
  • View Isle of Man mapping on-line
  • View Guernsey mapping on-line



  • Historic OS mapping online