In this division—
"adjacent owner" means the owner of land over which an encroachment extends.
"boundary" means the boundary line between contiguous parcels of land.
"building" means a substantial building of a permanent character, and includes a wall.
"encroaching owner" means the owner of land contiguous to the boundary beyond which an encroachment extends.
"encroachment" means encroachment by a building, including encroachment by overhang of any part as well as encroachment by intrusion of any part in or upon the soil.
"owner" means any person entitled to an estate of freehold in possession—
(a) whether in fee simple or for life or otherwise; or
(b) whether at law or in equity; or
(c) whether absolutely or by way of mortgage, and includes a mortgagee under a registered mortgage of a freehold estate in possession in land under the Land Title Act 1994 .