London, England - The Guildhall - Gothic Style Building.. Part of Box 23 Boswell Collection. A Day trip to London.Guildhall is a building in the City of London, off Gresham and Basinghall streets, in the wards of Bassishaw and Cheap. It has been used as a town hall for several hundred years, and is still the ceremonial and administrative centre of the City of London and its Corporation