your home has an EPC rating of 54 (E) or less; or an EPC rating of 68 (D) or less where you or a household member have an eligible health condition
bod gan eich cartref sgôr EPC o 54 (E) neu is; neu sgôr EPC o 68 (D) neu is os oes gennych chi neu aelod o’ch cartref gyflwr iechyd cymwys