Landlord and Tenant Act 1954

Part I provides security of tenure for some long-term residential leases.
Part II of the Landlord and Tenant Act 1954 provides security of tenure (subject to certain exceptions) to business tenants by allowing for the renewal of tenancies beyond their contractual dates of termination.
The 1954 Act was amended by the Law of Property Act 1969 and further changes came into force on 1 June 2004 pursuant to the Regulatory Reform (Business Tenancies) (England and Wales) Order 2003.