(In the UK) a residential tenancy beginning before January 1989 and governed by the terms of the 1965–77 Rent Acts, giving the tenant the right to secure tenancy and a fair rent.
Origin
1960s; earliest use found in Acts of Parliament.
Definition of regulated tenancy in US English:
regulated tenancy
noun
Law
(In the UK) a residential tenancy beginning before January 1989 and governed by the terms of the 1965–77 Rent Acts, giving the tenant the right to secure tenancy and a fair rent.