I am about to move into 4 Dolly Grove, Roslin EH25 9BA. It is incorrectly located in Bilston (some 2 miles away)  on OpenStreetMap and the Royal Mail Postcode Finder. I have reported it to the Royal Mail. I have placed the marker approximately where I believe the house to be within the Taylor Wimpey Sinclair Gardens development at Main Street Roslin EH25 9PP. From a recent photo of my house the GPS location is approximately 55°51'42.0"N 3°09'48.0"W. - which translates to an address in the adjacent Merricks Avenue EH25 9TT