Marathon House, Office and residential tower in Westminster, England
Marathon House is an office and residential tower in Westminster comprising 15 stories and standing approximately 50 m (164 ft) tall. The facade is entirely clad in glass panels that reflect light across the surrounding neighborhood.
The building was completed in 1960 as Castrol House and introduced the first fully-glazed curtain wall system of American inspiration to England. This innovation became a model for numerous subsequent construction projects throughout the country.
The building exemplifies the International Style design movement of the 1960s, reflecting how architects reimagined office and residential spaces during that era.
The building is accessible from the outside, allowing visitors to appreciate its modern architectural features from Westminster's streets. The best time to photograph the glass facade is in late afternoon or early evening, when light maximizes the reflective effects.
The glass facade features a green-tinted resin coating that creates distinctive lighting effects after dark, distinguishing it from other modern structures nearby. This subtle green tint becomes particularly noticeable as evening falls.
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