If you have a leasehold, you have the right to occupy and use the property for a fixed period according to the lease agreement, but you do not own the land itself—the land is owned by the freeholder (also known as the landlord or lessor)[1][2][3]. Your ownership is limited to the duration and terms in the lease; when the lease expires, if not renewed or extended, the property and full rights revert to the freeholder[1][3][4]. The lease distinguishes the rights and responsibilities between you (the leaseholder) and the freeholder, such as maintenance duties, modifications, and financial obligations like ground rent and service charges[1][3].
In summary: You (the leaseholder) own the temporary right to occupy the property under the lease; the freeholder owns the land and ultimate ownership of the property[1][2][4].