1. the act or practice of renting out a property or part of a property to multiple tenants or subletting beyond the original lease terms
Usage: British English; real estate/property management context

1. to rent out (a property or part of a property) to multiple tenants or to sublet in violation of lease terms
Usage: British English; present participle of 'overlet'

Examples

• The landlord was accused of overletting the apartment by renting rooms to four different tenants.
• Overletting without the landlord's permission is a breach of the original lease agreement.
• Many students engage in overletting to cover their rental costs.
• The council cracked down on overletting in residential areas.
• Overletting can lead to overcrowding and housing code violations.