A method of determining a probability of a fire within one or more rooms of a building comprising: determining a geometry of a room in response to a floor plan: determining whether one or more articles are located within the room and a flammability of each of the one or more articles: determining whether one or more hazards are located within the room: and determining a probability of a fire in the room in response to at least one or more articles are located within the room, the flammability of each of the one or more articles, and the one or more hazards are located within the room.