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
30 St Mary Axe than the old Exchange on the site. The site was special because it needed development, it was not on any of the "sight lines" (planning guidance requires that new buildings do not obstruct or detract from the view of St Paul's dome when viewed from a number of locations around London), and it had housed the Baltic Exchange. The plan for the site was to reconstruct the Baltic Exchange. GMW Architects proposed a new rectangular building surrounding a restored exchange: it would have the type of large floor plan that banks liked. Eventually, the planners realised that the exchange was