Paragraph 3
The condition in this paragraph is that—
(a)
a pre-installation EPC expresses the energy performance rating of the premises as band F or G; and
(b)
an owner or occupier of the premises has confirmed in writing that, to the best of its knowledge and belief, no changes were made to the premises, after the pre-installation EPC was issued and before the qualifying action was installed, which would increase the energy performance rating of the premises to band A, B, C, D or E.