None have completed the process yet
Years after laws to ensure minimum standards in the Island's shared housing stock were rolled out, landlords are only now beginning to comply.
The rules were enacted in 2014 - but government says property owners took a long time to take notice.
Regulations governing houses in multiple occupation, HMOs, were introduced in 2014, to end overcrowding and poor conditions for tenants in properties with shared bathrooms, kitchens and living rooms.
Landlords must register with their local authority, and have their properties inspected by environmental health officers.
Although the first registrations are now taking place, it's emerged no landlords have yet completed the process - and the number of HMOs in the Island is unknown.
Ian Mansell, manager at environmental health, says while landlords may face extra costs, safety for tenants is key: