| 1 | Church of St Peter and St PaulNR11 6RG | Grade I |
| 2 | Heydon HallNR11 6RE | Grade I |
| 3 | Cropton HallNR11 6RX | Grade II* |
| 4 | 1 and 2, Harrolds Grove CottagesNR11 6RJ | Grade II |
| 5 | Barn, East Side of Courtyard Approximately 100 Metres South East of Heydon HallNR11 6RE | Grade II |
| 6 | Cherry Tree FarmNR10 4SF | Grade II |
| 7 | Clock Tower Approx 40 Metres East of Heydon HallNR11 6RE | Grade II |
| 8 | Corpusty Lodge, EastNR11 6RX | Grade II |
| 9 | Corpusty Lodge, WestNR11 6RX | Grade II |
| 10 | Deer Shelter Approximately 160 Metres North North East of Heydon HallNR11 6RE | Grade II |
| 11 | Dog Lodges to Heydon ParkNR11 6RB | Grade II |
| 12 | Eagle Lodge, NorthNR11 6RF | Grade II |
| 13 | Eagle Lodge, SouthNR11 6RF | Grade II |
| 14 | Former Estate Office Approx 25m North East of Heydon HallNR11 6RE | Grade II |
| 15 | Garden Wall and Gates Immediately West of Heydon HallNR11 6RE | Grade II |
| 16 | Grange Lodge, NorthNR11 6RH | Grade II |
| 17 | Grange Lodge, SouthNR11 6RH | Grade II |
| 18 | Jubilee MemorialNR11 6AD | Grade II |
| 19 | K6 Telephone Kiosk by Park GatesNR11 6AD | Grade II |
| 20 | Pair of Cottages 130m South-West of Church of S. Peter and S. PaulNR11 6RQ | Grade II |
| 21 | Pair of Cottages 150m South-West of Church of S. Peter and S. PaulNR11 6RQ | Grade II |
| 22 | Pair of Cottages C170m South-West of Church of S. Peter and S. PaulNR11 6RQ | Grade II |
| 23 | Park FarmhouseNR11 6RB | Grade II |
| 24 | Range Along North Side of Courtyard, Approximately 100 Metres South East of Heydon HallNR11 6RE | Grade II |
| 25 | Range Immediately South of Earle Arms Including Church Farmhouse and Heydon Post OfficeNR11 6RQ | Grade II |
| 26 | Service Range Attached to East End of Heydon Hall and Immediately South of Item 3/32NR11 6RE | Grade II |
| 27 | Service Range, Including Keeper's CottageNR11 6RE | Grade II |
| 28 | Stable and Cottage Range, West Side of Courtyard Approximately 100 Metres South East of Heydon HallNR11 6RE | Grade II |
| 29 | The Dower HouseNR11 6RQ | Grade II |
| 30 | The Earle ArmsNR11 6AD | Grade II |
| 31 | The GrangeNR11 6RH | Grade II |
| 32 | The Old RectoryNR11 6RG | Grade II |
| 33 | Walled Garden Approximately 100 Metres North East of Heydon HallNR11 6RE | Grade II |
| 34 | Widows RowNR11 6RG | Grade II |