| Forest of Bere Forestry Commission | 356.6 ha | | — |
| Old Winchester Hill National Nature Reserve | 65.79 ha | | — |
| Winnall Moors Hampshire & Isle of Wight Wildlife Trust | 63.8 ha | | — |
| Saint Catherine's Hill Nature Reserve Hampshire & Isle of Wight Wildlife Trust | 56.32 ha | | — |
| Magdalen Hill Down Butterfly Conservation | 44.66 ha | | — |
| Crab Wood SSSI Hampshire County Council | 41.91 ha | 🐕 | — |
| Crab Wood Nature Reserve Hampshire County Council | 35.86 ha | 🐕 | — |
| Barton Meadows Hampshire & Isle of Wight Wildlife Trust | 32.39 ha | | — |
| The Moors Hampshire County Council | 29.85 ha | | — |
| Forest Holidays Blackwood Forest Forest Holidays | 28.67 ha | 🐕 | — |
| Beacon Hill Nature Reserve | 22.19 ha | | — |
| Shawford Down | 19.73 ha | | — |
| Fallodon Nature Reserve | 18.37 ha | | — |
| Chappetts Copse Hampshire & Isle of Wight Wildlife Trust | 14.6 ha | | — |
| Shutt's Copse Hampshire & Isle of Wight Wildlife Trust | 13.14 ha | | — |
| Berry Coppice | 9.96 ha | | — |
| Hockley Meadows Nature Reserve Hampshire & Isle of Wight Wildlife Trust | 8.58 ha | | — |
| The Forum Park | 6.27 ha | | — |
| Meadowside Recreation Ground | 6.19 ha | | — |
| Yew Hill Nature Reserve Butterfly Conservation | 5.74 ha | | — |
| Claylands Local Nature Reserve HCC | 5.69 ha | | — |
| King George V Playing Fields | 5.24 ha | | — |
| Eversley Park | 5.0 ha | | — |
| Whiteshute Ridge | 4.66 ha | | — |
| The Gratton | 3.8 ha | | — |
| Hoe Road Meadow Hampshire & Isle of Wight Wildlife Trust | 3.31 ha | | — |
| Marsh’s Meadow Swanmore Parish Council | 3.18 ha | | — |
| Oram's Arbour | 2.15 ha | | — |
| Wickham Water Meadows | 2.02 ha | | — |
| St Giles Hill Park | 1.81 ha | | — |
| Shawford Knoll HCC | 1.77 ha | | — |
| Wickham Recreation Ground | 1.56 ha | | — |
| The Triangle | 1.51 ha | | — |
| Olivers Battery Recreation Ground | 1.37 ha | | — |
| Hillier's Haven | 1.2 ha | | — |
| Warden's Garden | 1.0 ha | | — |
| Hinton Ampner Gardens National Trust | 0.91 ha | | — |
| Abbey Gardens | 0.88 ha | | — |
| The Green | 0.87 ha | | — |
| The Weirs | 0.85 ha | | — |
| Wrack Hill | 0.75 ha | | — |
| The Green | 0.7 ha | | — |
| Shirrell Heath Recreation Ground | 0.69 ha | | — |
| Oliver Cromwell's Battery | 0.65 ha | | — |
| Walled Garden | 0.55 ha | | — |
| Ship Inn | 0.43 ha | | — |
| Winnal Manor Park | 0.41 ha | | — |
| Broadview | 0.4 ha | | — |
| (walled garden) | 0.39 ha | | — |
| Hawksley Memorial Garden | 0.36 ha | | — |
| Walled Garden National Trust | 0.33 ha | | — |
| The Royal Hampshire Regiment Memorial Garden and Museum | 0.28 ha | | — |
| Joyce Gardens | 0.26 ha | | — |
| Hampshire Bowman Hampshire Bowman | 0.14 ha | | — |
| Beer Garden The Tichborne Arms | 0.12 ha | | — |
| Sunken Garden | 0.1 ha | | — |
| Formal Gardens | 0.08 ha | | — |
| Friary Gardens | 0.08 ha | | — |
| Dean Garnier Garden | 0.07 ha | | — |
| The Shoe Inn | 0.05 ha | | — |
| Fruit Garden Sparsholt College | 0.04 ha | | — |
| The Garden Perins School | 0.04 ha | | — |
| Vegetable Garden | 0.04 ha | | — |
| Nursery Sparsholt College | 0.02 ha | | — |
| Scott Garden | 0.02 ha | | — |
| Barton Meadows | — | | — |
| Winchester Rugby Football Club | — | | — |