The Senate House

The Senate House is a Grade I listed building constructed between 1722 and 1730 by James Gibbs, with the west end completed in stone by James Essex in 1767-1768. It is built of Portland stone ashlar. The south front features nine bays, with the central three flanked by fluted attached Corinthian columns and topped with a pedimented entablature and vases. The windows have moulded architraves and a mix of straight and curved pediments. The east end has a three-bay pedimented centerpiece. The north front mirrors the south front but lacks a centerpiece, while the west front is similar as well.

Inside, there is a continuous gallery supported by Roman Doric pilasters and complete panelling below, with woodwork by James Essex senior. The enriched plasterwork above is by Artari and Bagutti, and the marble pavement is by Christopher Cass. There are two full-length marble statues: one of the 6th Duke of Somerset by Rysbrack from 1756, and another of Pitt the Younger by Nollekens from 1812.