- But while some view buildings like the Southbank Centre and University of East Anglia (UEA) as examples of daring and dramatic design others argue they are an austere and bleak eyesore.
- The vast Park Hill estate of flats in Sheffield is also being shown to the public as part of the Brutal Utopias tours starting on 25 September.
And while structures built from slabs of concrete may not be everyone’s cup of tea, the National Trust is keen to convince detractors they are much more than blots on the landscape.
- The “teaching wall” is a building close to half a kilometre long made of unbroken concrete housing different schools of the university.
- There are also the iconic accommodation blocks known as the “ziggurats” – stepped terraces of concrete and glass that hug the landscape.