Complex sentence: The company's premises at No 1 Poultry in London was famously demolished, in 1994 by developer Peter Palumbo to be replaced by a controversial new building designed by architect James Stirling.
Split into simpler sentences: The company's premises at No 1 Poultry in London was famously demolished in 1994 by developer Peter Palumbo. It was replaced by a controversial building designed by architect James Stirling.