Surveys consist of a compass to discover the property’s orientation on the map. Depending on the variety of survey, you’ll see magnetic north (points into the Earth’s magnetic pole or even the direction through which an actual compass will stage) or geographic north (factors on the Earth’s geographic North Pole). https://guidetoiceland.is/traveler-profiles/aliraza-ansar/building-survey-in-london-ensuring-property-safety-and-value-1