They include a massive keep and the remains of an apsidal chapel dedicated to St Peter.
Transept from the 15th; the chancel was rebuilt in the restoration, completed in 1865, with an apsidal termination.
Near it in Constitution Street is St James's Episcopal church (1862-1869), in the Early English style by Sir Gilbert Scott, with an apsidal chancel and a spire 160 ft.
Traditional still, but supported by greater probability, a story states that Sebert, eastern cloister walk), and choir of polygonal apsidal form, with six chapels (four polygonal) opening north and south of it, and an eastern Lady Chapel, known as Henry VII.'s chapel.
It comprises a nave with aisles, and an apsidal eastward end formed of five small radiating chapels.