| Richmond Park The Royal Parks | 860.51 ha | | — |
| Bushy Park The Royal Parks | 419.07 ha | | — |
| Hampton Court Park | 203.47 ha | | — |
| Old Deer Park | 135.95 ha | | — |
| Royal Botanic Gardens, Kew | 129.25 ha | | — |
| Ham Common | 51.0 ha | | — |
| Barnes Common | 49.29 ha | | — |
| The London Wetland Centre Wildfowl and Wetlands Trust | 41.27 ha | | — |
| Sudbrook Park | 41.05 ha | | — |
| Crane Park London Borough of Richmond Upon Thames | 30.09 ha | | — |
| Ham Lands | 29.64 ha | | — |
| Marble Hill Park | 27.64 ha | | — |
| Isabella Plantation The Royal Parks | 22.3 ha | | — |
| East Sheen Common | 22.07 ha | | — |
| Barn Elms Sports Centre | 19.8 ha | | — |
| Palewell Fields and Common | 15.52 ha | | — |
| Hampton Common | 13.19 ha | | — |
| Barn Elms Playing Fields | 12.5 ha | | — |
| Hampton Court Green | 6.66 ha | | — |
| Langdon Park | 5.65 ha | | — |
| Hatherop Park | 5.61 ha | | — |
| Crane Park | 5.54 ha | | — |
| Kneller Gardens | 5.3 ha | | — |
| Broom Road Recreation Ground | 5.24 ha | | — |
| Udney Park Playing Fields | 5.14 ha | | — |
| Moormead Park | 4.84 ha | | — |
| Carlisle Park | 4.81 ha | | — |
| Kew Green | 4.63 ha | | — |
| Heathfield Recreation Ground | 4.59 ha | | — |
| The Tilt Yard | 4.54 ha | | — |
| Richmond Green | 4.15 ha | | — |
| Crane Park | 3.99 ha | | — |
| Leg O'Mutton Nature Reserve | 3.83 ha | | — |
| King George's Field | 3.73 ha | | — |
| Murray Park | 3.44 ha | | — |
| Barnes Green | 3.4 ha | | — |
| North Sheen Recreation Ground | 3.24 ha | | — |
| Terrace Gardens | 3.17 ha | | — |
| Terrace Field | 3.06 ha | | — |
| Twickenham Green | 2.82 ha | | — |
| Radnor Gardens | 1.95 ha | | — |
| Crane Park Island Nature Reserve | 1.75 ha | | — |
| Jubilee Meadow Richmond Council | 1.74 ha | | — |
| Privy Garden | 1.74 ha | | — |
| Oak Avenue Nature Reserve | 1.7 ha | | — |
| Beveree Wildlife Site | 1.67 ha | | — |
| Craneford Way | 1.67 ha | | — |
| Hounslow Heath Open Space | 1.64 ha | | — |
| Mereway Nature Reserve | 1.53 ha | | — |
| Mortlake Green | 1.51 ha | | — |
| Nursery Green | 1.4 ha | | — |
| Douglas House Meadow | 1.32 ha | | — |
| Rocks Lane Sports Centre | 1.31 ha | | — |
| Udney Hall Gardens | 1.02 ha | | — |
| Buccleuch Gardens London Borough of Richmond upon Thames | 0.87 ha | | — |
| Rotary Gardens | 0.41 ha | | — |
| Garrick's Lawn | 0.34 ha | | — |
| Dovecote Gardens | 0.25 ha | | — |
| Arundel Close Open Space | 0.2 ha | | — |
| Bridge House Gardens | 0.17 ha | | — |
| The Orchard The German School, London | 0.14 ha | | — |
| Roehampton Gate Gardens The Royal Parks | 0.09 ha | | — |
| Grass Garden | — | | — |