| Thatcham Reedbed Nature Reserve | 104.21 ha | | — |
| Snelsmore Common Country Park (SSSI) | 95.0 ha | | — |
| Wasing Park | 94.91 ha | | — |
| Moor Copse BBOWT | 71.6 ha | | — |
| Bowdown Woods | 57.37 ha | | — |
| Paices Wood Country parkland | 47.28 ha | | — |
| Holybrook Linear Park (West) | 26.99 ha | | — |
| Hosehill Lake Local Nature Reserve | 24.34 ha | | — |
| Pincents Hill | 14.67 ha | | — |
| Inkpen Common BBOWT | 12.88 ha | | — |
| Aldermaston Park | 11.21 ha | | — |
| Stroud Green | 8.8 ha | | — |
| Decoy Heath BBOWT | 8.22 ha | | — |
| Goldwell Park | 7.23 ha | | — |
| Holybrook Linear Park (East) | 6.84 ha | | — |
| Victoria Park | 6.26 ha | | — |
| Pangbourne Meadows | 5.77 ha | | — |
| Mortimer Fairground | 4.3 ha | | — |
| Rack Marsh BBOWT | 4.05 ha | | — |
| Seven Barrows BBOWT | 3.76 ha | | — |
| Thirtover Place | 3.72 ha | | — |
| The Old Cricket Field | 3.62 ha | 🐕 | — |
| Sole Common Pond BBOWT | 3.45 ha | | — |
| Inkpen Crocus Field Berks, Bucks & Oxon Wildlife Trust | 3.01 ha | | — |
| Thatcham Memorial Playing Fields | 2.61 ha | | — |
| Kintbury Newt Ponds BBOWT | 2.59 ha | | — |
| Dunstan Green | 2.48 ha | | — |
| City Recreation Ground | 2.33 ha | | — |
| Wash Common Recreation Ground | 2.33 ha | | — |
| Pound Lane Park | 2.3 ha | | — |
| Cold Ash Recreation Ground | 2.21 ha | | — |
| Urquhart Park | 2.06 ha | | — |
| Streatley Recreation Ground | 1.73 ha | | — |
| Pipers Way Park | 1.44 ha | | — |
| Watts Bank BBOWT | 1.4 ha | | — |
| East Ilsley (Millennium Green) | 1.3 ha | | — |
| Avery's Pightle | 1.29 ha | | — |
| Burghfield Skateboard Park Burghfield Parish Council | 0.41 ha | | — |
| Ufton Memorial Garden Network Rail | 0.01 ha | | — |