Amendments Booklet AMD 7 2022 (Booklets B C E)·Page 5·(2)
European Classification for external wall materials in relevant buildings
Building work for external walls or specified attachments of relevant buildings must use materials classified as European Classification A2-s1, d0 or Class A1 according to BS EN 13501-1:2018.
Subject to paragraph (3), building work shall be carried out so that materials which become part of an external wall, or specified attachment, of a relevant building are of European Classification A2-s1, d0 or Class A1, classified in accordance with BS EN 13501-1:2018.
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