stanleyman, covenants are terms within a contract - perhaps you are refering to statutes, bylaws or statutory istruments?, which there are none. This would come under the Tort of 'Nuisance' which could either be private (brought by the individual)or public (brought by the council) - The specifics of such a nuisance would be in relation quiet enjoyment and anstraction of light. There are a number of other ways in which this could be legally pursued, such as pollution etc.