Support our work by becoming our Patron! Learn More

Types of guest room locks used in hotels

Guest room Security locks can be a critical aspect of guest protection. The guest room doors and windows must be fortified to prevent forced entry. Installation of burglar-proof door locking system and effective Key and key control procedure is to be followed by the hotel to ensure guest room safety against theft.

Effective Key control in the hotel is essential to the security of a lodging property. All keys whether metal or electronic should be adequately controlled. There are many types of Locks currently available but even if the hotel buys the most secured or expensive one and they do not follow proper key controlling procedures then this will easily get into the hands of criminals.

Following are some types of Locks used in hotels:

  1. Locks with the key channel in the knob.

  2. Standard mortise locks, which generally include a faceplate with the knob, a separate key channel on the corridor side of the door, and a deadbolt unit on the guest room side of the door.

  3. Mortise locks with programmable cylinders for easy changed key combinations.

  4. Mortise locks with removable cores.

  5. Electronic locks with a random selection of new key combinations for each guest.

  6. Electronic Number Combination Locks.

  7. Biometrics Locks. (Finger Print, Retina Scanner etc.)

A number of systems have been introduced to add to the re-key and core change capabilities of guest room locksets. As a security reason hotels are now having locks which are integrated to the deadbolt so that turning the knob will automatically release the deadbolt as well as the basic latch.

Electronic Key card locks provide an effective method for "locking out" cards previously issued and allowing admission to only the current guest. Electronic card systems may also employ a touch-pad system in which a special code is established for each guest during his or her stay.

This usually requires a guest to enter a sequence of numbers known only to the guest in order to enter the guest room. And when the guest check’s out to control sequence of the prior guest is cancelled automatically and the lockset receives the communication to accept the new combination.

A variety of electronic systems are available; most include one or more of the following elements:

  • A mortise lock integrated with an electronic card reader.

  • A key card which either communicates with the front desk computer and permits entry or which is compatible with the permission-level within the microchip in the lockset unit in the guest room door. This establishes entrance capability either at the time the key card is being produced or upon introduction to the door lock.

  • A computer terminal at the front desk or adjacent area which produces the key card and selects the code which will permit entry by a new key card and will reject all prior units issued for that room.

  • A computer capable of providing millions of combinations for entrance to a guest room.

  • A battery source and/or hard-wired system for energizing the lock system.

  •  touch-pad system.

  • The capability of "timing" the card so it no longer functions as of a set time, such as upon check-out.

Augustine's Avatar


Authored and managed by Augustine, a hotelier with over 20 years of experience in the industry. He has a 3-year diploma with 'honors' from the American Hotel & Lodging Educational Institute and a Bachelor of Computer Application - BCA Degree.