DEFINTION: "materially affects the reasonable comfort and convenience of life of a class of Her Majesty's subjects."
Attorney-General v PYA Quarries Ltd [1957] - Romer LJ
"A person is guilty of a public nuisance (aka common nuisance), who (a) does an act not warranted by law, or (b) omits to discharge a legal duty, if the effect of the act or omission is to endanger the life, health, property or comfort of the public, or to obstruct the public in the exercise or enjoyment of rights common to all Her Majesty's subjects" PJ Richardson