A study on the fire safety concepts used in car parks. To asses the possible damage as a result of a fire, case studies were performed and changes in the car industry were analysed. The new type of fuel systems have resulted in new risks, which are not yet covered in the current design methodology. To understand the probability of a car park fire an analysis was done on occurred fires in car parks. The changes in the car industry had resulted in larger fires and bigger fires will likely occur in the near future.