Any person who fails without reasonable excuse to comply with, or knowingly contravenes, a nuisance order shall be liable to a fine not exceeding five pounds and to a further fine not exceeding forty shillings for each day on which the offence continues after conviction therefor.
Without prejudice to the foregoing provisions of this section, where a nuisance order has not been complied with, the local authority may abate the nuisance, and do whatever may be necessary in execution of the order.