Sable Park office development has been awarded a 5-Star Green Star by the Green Building Council of South Africa.There are now 19 Green Star-rated buildings in Century City, eight with 5-Star Green Star ratings. The R460 million Rabie Property Group development comprises two four-storey buildings, the larger of which has been let to Discovery. Green consultant Mlondolozi Hempe, of PJ Carew Consulting, says, among other features, the development uses treated effluent for toilet flushing, lets in plenty of natural lighting and has LED light fittings with occupancy and daylight sensors. Half the parking is naturally ventilated and parking spaces include bays marked for alternative-fuel vehicles.