(1)No owner or occupier of any part of a tenement shall be entitled to do anything in relation to that part which would, or would be reasonably likely to, impair to a material extent—
(a)the support or shelter provided to any part of the tenement building; or
(b)the natural light enjoyed by any part of the tenement building.
(2)The prohibition imposed by subsection (1) above on an owner or occupier of a part of a tenement may be enforced by any other such owner who is, or would be, directly affected by any breach of the prohibition.