| 1 | Gunboat Sheds and WorkshopsPO12 2FG | Grade I |
| 2 | Chapel of St Luke, Royal Naval Hospital, HaslarPO12 2FD | Grade II* |
| 3 | Guard HousePO12 2AQ | Grade II* |
| 4 | Police BarracksPO12 2AQ | Grade II* |
| 5 | Ward Blocks a, B, C, D, E, F and Centre at Royal Naval Hospital, HaslarPO12 2FD | Grade II* |
| 6 | Admiralty Boundary Stone, Fort BlockhousePO12 2AS | Grade II |
| 7 | Arrogant Block, Fort BlockhousePO1 2JR | Grade II |
| 8 | Boundary Wall to North East of Royal Naval Hospital, HaslarPO12 2AB | Grade II |
| 9 | Cannon Bollard, Fort BlockhousePO12 2AS | Grade II |
| 10 | Central Gateway and Railings to North East of Royal Naval Hospital, HaslarPO12 2AB | Grade II |
| 11 | Dead House, Royal Naval Hospital, HaslarPO12 2FG | Grade II |
| 12 | Former Gatehouse Datestone, Fort BlockhousePO12 2AS | Grade II |
| 13 | Former Guardhouse (Now Called the Post Office), Fort BlockhousePO1 2JR | Grade II |
| 14 | Gunboat Yard Engine House ComplexPO12 2FG | Grade II |
| 15 | Haslar Terrace, Royal Naval Hospital, HaslarPO12 2FA | Grade II |
| 16 | Laundry, Royal Naval Hospital, HaslarPO12 2FG | Grade II |
| 17 | Medical Stores North West of Main Entrance, Royal Naval Hospital, HaslarPO12 2AB | Grade II |
| 18 | Medical Stores South East of Main Entrance, Royal Naval Hospital, HaslarPO12 2AB | Grade II |
| 19 | Numbers 11 and 12 and Attached Railings, Royal Naval Hospital, HaslarPO12 2FD | Grade II |
| 20 | Numbers 13 and 14 Moic's Residence and Attached Railings, Royal Naval Hospital, HaslarPO12 2FB | Grade II |
| 21 | Numbers 1-5 (Consecutive) Royal Naval Hospital, HaslarPO12 2FD | Grade II |
| 22 | Submarine Escape Training Tank (Sett), Hms DolphinPO12 2AS | Grade II |
| 23 | Submarine Memorial Chapel of St Nicholas, Fort BlockhousePO1 2JR | Grade II |
| 24 | Submariners' Memorial, Fort BlockhousePO12 2AS | Grade II |
| 25 | Thames Block, Fort BlockhousePO1 2JR | Grade II |
| 26 | Water Tower, Royal Naval Hospital, HaslarPO12 2FG | Grade II |