5   5   200 sqm – for a 4-bedroom terrace  , 300 sqm – for a 4-bedroom semi-detached duplex , 450 sqm – for a penthouse duplex  , 600 sqm – for a 5-bedroom fully detached duplex , 1000 sqm – for a Mansion  , 2500 sqm – for a Luxury villa  Sq Ft