Crime Prevention Through Environmental Design

Crime Prevention through Environmental Design (CPTED) is a multidisciplinary approach aimed at deterring criminal behavior through environmental design.  CPTED strategies rely upon the ability to influence offender decisions that precede criminal acts. Research into criminal behavior indicates the decision to offend or not to offend is more influenced by cues to the perceived risk of being caught than by cues to reward or ease of entry. The three most common strategies employed by CPTED are natural surveillance, natural access control, and natural territorial reinforcement.

Natural surveillance increases the threat of apprehension by taking steps to increase the perception people can be seen.

Natural access control limits the opportunity for crime to occur by adopting steps to clearly differentiate between public space and private space.

Territorial reinforcement promotes social control through increased definition of space and improved proprietary concern.
CPTED strategies are most successful when they include the combined efforts of designers, community planners and law enforcement or security professionals.


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