8 Amendments to article 19 (additional requirements to be met by heating measures)
In article 19—
(a) in paragraph (1), after sub-paragraph (c), insert—

“(ca) is not the installation of a first time heating system at uninsulated premises;”

;
(b) at the end of paragraph (2), insert—

““room-in-roof” means, in relation to insulation, insulation of the ceiling and walls of a room in the roof space of a building;
“uninsulated premises” means premises other than a mobile home—
(a) which include the top floor of the building in which they are located and which—
(i) do not have flat roof, loft, rafter or room-in-roof insulation; and
(ii) are premises at which flat roof, loft, rafter or room-in-roof insulation can be installed; or
(b) which have exterior facing cavity walls which—
(i) can be insulated; and
(ii) are not insulated.”

.