Both the KL2 and KL3 cabins come with an lock incorporated into the door, and the come supplied with spare keys. The KL1 is not supplied with an incorporated lock.
A hasp lock can be fitted to any of our models which can then be locked with a lock of your choice. For example some of our customers have fitted a combination padlock. If you want a hasp and staple fitted when your toilet is installed then you should let us know and it can be arranged.