Architected by the Navy Board. "The Great Stone Dock"; originally built in 1698, rebuilt in 1769 and presently known as "No. 5 Dock". No. I Basin. The docks are constructed of large blocks to tooled, coursed, squared, Portland stone with Roman numerals indicating water levels. They have stepped sides with flights of steps and haulage slides; Poor Condition Flooded due failure of gates; vulnerable to algal growth and saturation of stonework with risk of accelerated decay.

Architected by A. E. Cogswell & Sons, Kelsey Hunter & Partners; Californian Googie style. Clarence Pier is leased from Portsmouth City Council; the leaseholder is responsible for the maintenance and upkeep of their own coastal defence. The Seafront Master Plan proposes demolition of this well-loved entertainment building and replacement by a hotel.

Architected by Navy Board. On the site of Dummer's smaller dry dock of 1690s) 1737-43, modified 1760s and 1777, and rebuilt in 1810. Poor Condition Rotating and Collapsing walls, leaking caisson to harbour; no solution or funding agreed.

Architected by AH Ford for Portsmouth School Board, the building was threatened in the year 2022. Omega Centre Trust formed 2022 to take on the building as a community asset with business plan and grant applications prepared; no response from the owners to date. Reason for Proposed demolition: Redevelopment for Special Needs Secondary School