| 1 | Church of St Peter and St PaulCO16 8NU | Grade I |
| 2 | St Osyth's Priory, Gatehouse and East and West Flanking RangesCO16 8NZ | Grade I |
| 3 | St Osyth's Priory Ruined East Ranges of the Darcy House Including the Tower and ChapelCO16 8NZ | Grade I |
| 4 | St Osyth's Priory: the Abbot's Lodging and South Wing, the Darcy Clock Tower and C18 House (Formerly Listed As the Convalescent Home).CO16 8NZ | Grade I |
| 5 | Little Priory the Old HouseCO16 8RP | Grade II* |
| 6 | St Osyth's Priory Boundary WallsCO16 8NY | Grade II* |
| 7 | St Osyth's Priory, Tithe Barn Adjoining the West Range of GatehouseCO16 8NZ | Grade II* |
| 8 | St Osyth's Priory: West Barn and Baliffs CottageCO16 8NZ | Grade II* |
| 9 | 1-4, Church SquareCO16 8NU | Grade II |
| 10 | 31 and 33, Mill StreetCO16 8EJ | Grade II |
| 11 | 3, 5 and 7, Spring RoadCO16 8RN | Grade II |
| 12 | 36 and 38, Colchester RoadCO16 8HA | Grade II |
| 13 | 37, 39 and 41, Spring LaneCO16 8RH | Grade II |
| 14 | 45, 47 and 49, Mill StreetCO16 8EJ | Grade II |
| 15 | 46 and 48, Spring LaneCO16 8RJ | Grade II |
| 16 | 4, Spring RoadCO16 8RN | Grade II |
| 17 | Abbey National Building Society Offices Bretts StoresCO16 8RN | Grade II |
| 18 | Anvil Cottage Adjacent to West of Church Cottage and St EdmundsburyCO16 8NU | Grade II |
| 19 | Bay HouseCO16 8RP | Grade II |
| 20 | Bg Stores at Corner of Colchester Road St Osyth Diy Centre at Corner of Colchester RoadCO16 8RN | Grade II |
| 21 | BindersCO16 8HA | Grade II |
| 22 | Chesnut CottageCO16 8RH | Grade II |
| 23 | Church Cottage St EdmundsburyCO16 8NU | Grade II |
| 24 | Cottage to Left of Duke Stores the Duke Stores Wg AyersCO16 8RP | Grade II |
| 25 | Cranfield Cranfield Cottages Attached to South of CranfieldCO16 8RP | Grade II |
| 26 | Elm Cottage Manor CottageCO16 8HA | Grade II |
| 27 | Freda Cottage Rose DowneryCO16 8HB | Grade II |
| 28 | GiebrosCO16 8EJ | Grade II |
| 29 | HillsideCO16 8EP | Grade II |
| 30 | Hydrant Immediately in Front (South) of Jettied Crosswing of Cottages Numbers 45, 47 and 49CO16 8EJ | Grade II |
| 31 | Ivy CottageCO16 8RF | Grade II |
| 32 | K6 Telephone Kiosk to South of St Osyth's PrioryCO16 8NX | Grade II |
| 33 | Kitchen Garden Walls and Attached Bothies North-East of St Osyth's PrioryCO16 8HA | Grade II |
| 34 | Little Thatch and Adjoining CottageCO16 8EJ | Grade II |
| 35 | Milestone on Western Verge Opposite Numbers 76/82CO16 8HB | Grade II |
| 36 | Old Mill CottageCO16 8EW | Grade II |
| 37 | Priory Tea House and Bakers Shop Corner of Spring RoadCO16 8RN | Grade II |
| 38 | Pump to Rear, Approximately 7 Metres East of Number 7 Spring LaneCO16 8RN | Grade II |
| 39 | St Osyth's Priory, Brewhouse and Wall Between Brewhouse and West BarnCO16 8NZ | Grade II |
| 40 | St Osyth's Priory Cartlodge Adjacent to West of BarnCO16 8NZ | Grade II |
| 41 | St Osyth's Priory Drying HouseCO16 8NZ | Grade II |
| 42 | St Osyth's Priory: Garden Walls Located to the East and West of the Rose Garden, South of the Darcy WallCO16 8NX | Grade II |
| 43 | St Osyth's Priory Ornamental Steps Flanked by Urns in Courtyard Approximately 100 Meters North of GatehouseCO16 8NZ | Grade II |
| 44 | St Osyth's Priory Pump Approximately 20 Metres West of Cottage Listed Qv14/190CO16 8NZ | Grade II |
| 45 | St Osyth's Priory Stable Block Adjacent to North West of BarnCO16 8NZ | Grade II |
| 46 | St Osyth's Priory Urn and Pedestal in Courtyard Approximately 50 Metres North of GatehouseCO16 8NZ | Grade II |
| 47 | St Osyth's Priory Urn and Stone Pedestal Approximately 50 Metres North East of the Abbots LodgingCO16 8NZ | Grade II |
| 48 | The Cottage and Attached Cast Iron Railings Enclosing ForecourtCO16 8RF | Grade II |
| 49 | The Kings Arms CO16 8PA | Grade II |
| 50 | The Old BakeryCO16 8EW | Grade II |