 Complete the following phrase:  High-rise apartments and Brutalist architecture were falling out of favour by the time the tower was completed, and it became a magnet for crime, vandalism, drug abuse and prostitution. Its fortunes gradually improved in the 1980s after the establishment of a residents association. Security measures were put in place and a concierge was employed, which led to lower crime levels. By the 1990s, the tower had become a desirable place to live, and although it still contains predomitly social housing, demand for private flats has remained high. A local landmark, it has been Grade II listed since 1998, and has retained its distinctive concrete facade as a result. A fire broke out in 2017, but the concrete structure meant damage was limited, unlike the nearby 