Baltic Exchange (building) Baltic Exchange (building) The Baltic Exchange was a building located at 24–28 St Mary Axe in London and occupied by Baltic Exchange Ltd, a provider of information on maritime transportation markets. A historic landmark, the Baltic Exchange building was architecturally known for its cathedral-like trading hall and its stained glass. It was destroyed in a bombing in 1992. The site is now occupied by "The Gherkin". The historic building was designed by Smith and Wimble and completed by George Trollope & Sons in 1903: it was subsequently listed as a Grade II* listed building. On 10 April 1992 at 9:20
Baltic Exchange (building) pm, the façade of the Exchange's offices at 24–28 St Mary Axe was partially demolished, and the rest of the building was extensively damaged in a huge Provisional Irish Republican Army (IRA) bomb attack. The one-ton bomb killed three people whilst 91 were wounded. The bombing came a day after the General Election. Architectural conservationists wanted to reconstruct what remained from the bombing, as it was the last remaining exchange floor in the City of London. English Heritage, the government's statutory conservation adviser, and the City of London Corporation insisted that any redevelopment must restore the building's old façade onto