| Holkham Park | 1197.74 ha | | — |
| Gunton Park | 359.15 ha | | — |
| Sheringham Park National Trust | 149.69 ha | | — |
| Cley Marshes Norfolk Wildlife Trust | 109.96 ha | | — |
| Ludham and Potter Heigham Marshes | 71.37 ha | | — |
| Pensthorpe Natural Park | 53.72 ha | | — |
| Swanton Novers National Nature Reserve Natural England | 50.92 ha | | — |
| Gunthorpe Park | 43.7 ha | | — |
| Beeston And Sheringham Commons | 25.81 ha | | — |
| Pigney's Wood North Norfolk Community Woodland Trust | 21.29 ha | | — |
| Swanton Novers National Nature Reserve Natural England | 19.13 ha | | — |
| Twaite Common - Open Access Land | 15.68 ha | | — |
| East Ruston Old Vicarage Gardens | 12.72 ha | | — |
| Catfield Common | 8.61 ha | | — |
| Swanton Novers National Nature Reserve Natural England | 8.21 ha | | — |
| Spout Hills | 6.49 ha | | — |
| Hanworth Common - Open Access Land | 6.26 ha | | — |
| Southrepps Common - Open Access Land | 5.42 ha | | — |
| Swanton Novers National Nature Reserve Natural England | 4.75 ha | | — |
| Twaite Common - Open Access Land | 2.82 ha | | — |
| School Common - Open Access Land | 1.97 ha | | — |
| Roughton Common - Open Access Land | 1.28 ha | | — |
| Trackside Park | 1.23 ha | | — |
| Acorn Road Play Park and Recreational Area | 1.15 ha | | — |
| NOA Walsey Hills Reserve Norfolk Ornithologists Association | 0.35 ha | | — |
| Butterfly Garden The National Trust | 0.01 ha | | — |
| Hawk & Owl Trust | — | | — |