Whenever the regulations of this chapter require a greater width or size of yards, courts, or other open spaces, or require a greater percentage of lots to be left unoccupied or impose other higher standards than are required in any other statute or local ordinance or regulations, the provisions of these regulations shall govern. Whenever the provisions of any other statute or local ordinance or regulation require a greater width or size of yards, courts, or other open spaces, or require a lower height of building or a lesser number of stories, or require a greater percentage of lots to be left unoccupied, or impose other higher standards than are required by this chapter, the provisions of such statute or local ordinance or regulation shall govern.