Property may be leased as well as purchased. One form of leasing arrangement is a long-term ground lease, in which a tenant leases vacant land and develops it. Once the development is complete, the ground tenant sublets space to retail, o"ce or industrial tenants, depending on the type of development. Ground leasehold interests may be bought and sold in a manner similar to fee simple property interests. Commercial Leasing Most commercial o"ce and retail space, and much of the standard industrial space in Canada, is available only through a commercial lease. Most commercial lease transactions start with an agreement to lease, although.