13.—(1) A measure meets the condition in this article if—
(a)the measure is installed as part of an ECO4 project at owner-occupied premises for which the pre-project SAP band is band D, E, F or G; and
(b)the premises meet the household eligibility requirement specified in paragraph (2).
(2) The household eligibility requirement is that the premises are occupied by a member of the help to heat group at any time within the 12 month period ending with the day on which the measure is completed.