- 18% know that their property was let without their
  permission and agents pocketed the rental income.

- 42% feel that their apartment was let by agents
  without their permission.

- 33% of people who don't rent their property but who use
  key holder services have a sense that someone has used
  their apartment in their absence.

- One respondent was actually in their apartment when a family
  they knew nothing about entered as they had rented it from
  a keyholder who had no permission to rent the property.

- Another family returned home after 4 weeks holiday and gave their
  keys to a friend who arrived at their apartment a week later to find
  6 people in the apartment again without the knowledge of the owners.