He killed three people by setting fire to his Rozelle shop, causing a catastrophic explosion.

But Adeel Khan, 46, continues to claim he is innocent, and will appeal his conviction and sentence.

Just five days after Khan was handed a minimum 30-year jail term in August, he lodged an intention to appeal in the NSW Supreme Court.

In June a jury found Khan guilty of the murder of Chris Noble and the manslaughter of Bianka O'Brien and her baby son Jude.