You should try working in it for 20 years! The main problem is massive heat loss and heat gain due to huge areas of single glazing.
Needed air conditioning on in summer - which would add to the massive heating bills in winter, given current energy costs.
The actual style is 1960s brutalist - and the designer Owen Luder was chair of RIBA TWICE!
"Luder also has the unique claim to fame of having
served as president of the RIBA for two separate terms: from 1981-83 and 1995-97. He also served as chair of the Architects Registration Board.12 Oct 2021"
Mr Luder - who built and lived in a small house in Herne Hill Road at one time - died in 2021 aged 93.
Owen Luder, the Brutalist architect and two-times RIBA president, has died at the age of 93
www.architectsjournal.co.uk
He did a cameo turn at the end of the TV series on brutalism by Jonathan Meader. Owen Luder, like Robin Day, always wore a bow tie.