Many Phnom Penh citizens spend a lot of efforts on securing their apartments and houses due to a certain amount of burglaries.
However, even in much wealthier countries like Germany the crime rates seem to be expanding while in Phnom Penh the situation has still been moderate despite the complete absence of police after dark.
Barbed wire is a fast seller in Phnom Penh and there is hardly any house not having it around the balconies and roofs.
A good way for finding some nice property in Phnom Penh is just looking around.