They were to be the solution to city housing problems, towering high above the rooftops and providing residents with a head for heights, a bird’s eye view of the world below. Multi-storey flats sprouted across British urban landscapes from the 1950s onwards; a perfect way to cram dozens of families onto a relatively small footprint even if from the outside they looked like giant concrete boxes. While social problems plus the costs of maintaining the ‘streets in the sky’ led to many being razed to the ground in spectacular demolitions, in Aberdeen, at least, a group of Brutalist high-rise homes which have dominated the skyline for over half a century has received the ultimate in historic protection.