2,598 protected sites
Most of these are listed buildings, and most listed buildings are private homes, terraces, walls and milestones rather than places to visit. The scheduled monuments are the older layer: earthworks, ruins, barrows and the remains of things that have no roof left.
- Listed buildings
- 2,517
- Scheduled monuments
- 70
- Parks and gardens
- 11
Counted from the National Heritage List for England on 12 October 2026, within 10 miles of the centre of Portsmouth.
10 properties you can visit
Run by English Heritage, Historic Houses and National Trust. These are the places with opening hours and a way in, as opposed to the register entries above.
- Portchester CastleEnglish Heritage · Portchester
- King James's and Landport Gates, PortsmouthEnglish Heritage · Portsmouth
- Royal Garrison Church, PortsmouthEnglish Heritage · Portsmouth
- Fort BrockhurstEnglish Heritage · Gosport
- Southwick PrioryEnglish Heritage · Fareham
- Titchfield AbbeyEnglish Heritage · Titchfield
- Stansted ParkHistoric Houses · Rowlands Castle
- OsborneEnglish Heritage · East Cowes
- Bembridge WindmillNational Trust · Bembridge
- Calshot CastleEnglish Heritage · Southampton
See all of it on one map
Visit History draws every site above on a single map, so you are not checking seven organisations one at a time. It also carries the Environment Agency LiDAR survey, which shows the shape of the ground itself, and six editions of Ordnance Survey mapping from 1885 onwards. Earthworks that are invisible on the ground and unmarked on modern maps are often obvious on both.