30 Cannon Street, Grade II listed office building in City of London, United Kingdom.
30 Cannon Street is a six-story office building in central London featuring repeated white arched frames that create a distinctive rhythm across its facades. The recessed windows behind these frames have a bronze tint and are surrounded by innovative exterior cladding materials.
The structure was built in 1977 on the site of a medieval church that had been replaced by a Christopher Wren design following the Great Fire of London. This location thus witnessed different architectural eras before the modern office building was erected.
The 1977 construction represents a significant shift in architectural design, incorporating modern materials while maintaining sensitivity to the historical London cityscape.
The building sits near Mansion House underground station and is easily accessible by public transport. Height restrictions apply to this site due to its proximity to St Paul's Cathedral, which influenced how the structure was designed.
This building was among the first worldwide to use glass-fiber reinforced cement panels as exterior cladding, pioneering the technique now used in many modern structures. The material innovation marked an early experiment with methods that became common in later construction.
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