138 Houndsditch is an address on Houndsditch in London where the St Botolph Building is located. The commercial office, opened in January 2011, is designed by Grimshaw Architects. It is one of a number of landmark buildings recently delivered or in development to the East of the Gherkin in the City of London ward of Aldgate, which together with the wards of Langbourn, Cornhill and Lime Street forms the centre of the UK insurance industry.