Town and country planning - Interim Development Order - Responsible authority - Planning permit - Notice of proposed works to other persons - Relevant considerations - Effect of regard to irrelevant considerations - Unreasonable exercise of discretionary power - Town and Country Planning Act 1961 (No. 6849), s18B. .
Town and country planning - Metropolitan Planning Scheme Ordinance - Responsible authority - Planning permit - Row houses - When permission required for building works - Building works involving increase to floor space - Metropolitan Planning Scheme Ordinance, CL7(1)(d)(iii). .
Administrative law - Locus standi - Declarations - Injunctions - Private rights _ Peculiar damage arising from interference with public rights - Whether s18B(1) of the Town and Country Planning Act 1961 creates private rights - Interests of neighbours in enforcing planning laws. .
Administrative law - Remedies - Declarations - Injunctions - Discretion - Considerations relevant to exercise. .
Costs - Appeal - Whether appeal as to costs may be entertained without leave of trial judge where appeal on merits fails - Supreme Court Act 1958 (No. 6387), s39 - Rules of the Supreme Court, O.65, r1. .
Costs - Discretion to award - Considerations relevant to exercise - Bullock orders Sanderson orders.