{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.416355,51.556197],[-0.416182,51.556239],[-0.416177,51.556231],[-0.416292,51.556204],[-0.416265,51.556159],[-0.416144,51.556188],[-0.416155,51.556206],[-0.416092,51.556221],[-0.416092,51.556217],[-0.415268,51.556414],[-0.415295,51.556458],[-0.415121,51.5565],[-0.41537,51.5569],[-0.415389,51.556895],[-0.415411,51.556934],[-0.415953,51.556804],[-0.415927,51.556763],[-0.415965,51.556753],[-0.415991,51.556794],[-0.416349,51.556707],[-0.416332,51.556681],[-0.416353,51.556675],[-0.41638,51.556718],[-0.416528,51.556682],[-0.416493,51.556625],[-0.416605,51.556596],[-0.416355,51.556197]]]]},"type":"Feature","properties":{"entry-date":"2026-03-28","start-date":"","end-date":"","entity":42215221,"name":"C-type (Building 5)","dataset":"listed-building-outline","typology":"geography","reference":"LB1395127","prefix":"listed-building-outline","organisation-entity":167,"quality":"authoritative","notes":"II","description":"RAF Northolt, Ruislip","listed-building":"1395127"}}