| 1 | Colchester Town HallCO1 1PJ | Grade I |
| 2 | East Hill HouseCO1 1UF | Grade I |
| 3 | East Lodge Gate HouseCO1 1WR | Grade I |
| 4 | Former Church of Holy TrinityCO1 1JR | Grade I |
| 5 | Holly Trees (Museum)CO1 1WR | Grade I |
| 6 | Red Lion HotelCO1 1DJ | Grade I |
| 7 | Ruins of Priory Church of St BotolphCO2 7EE | Grade I |
| 8 | St John's Abbey GatehouseCO2 7EZ | Grade I |
| 9 | The Balkerne GateCO3 3AA | Grade I |
| 10 | The Castle Keep (Including Excavated Remains of Forebuilding in Moat)CO1 1TJ | Grade I |
| 11 | The Roman Town WallCO1 1HG | Grade I |
| 12 | 11a and 11b, High StreetCO1 1NN | Grade II* |
| 13 | 13-15, North HillCO1 1DZ | Grade II* |
| 14 | 17, Sir Isaac's Walk (See Details for Further Address Information)CO1 1PB | Grade II* |
| 15 | 20 and 22, Crouch StreetCO3 3EN | Grade II* |
| 16 | 29-31, West Stockwell StreetCO1 1HR | Grade II* |
| 17 | 3-5, West Stockwell StreetCO1 1HQ | Grade II* |
| 18 | 54, Head StreetCO1 1PB | Grade II* |
| 19 | 60, North HillCO1 1PX | Grade II* |
| 20 | 6, Trinity StreetCO1 1JN | Grade II* |
| 21 | 71, Culver StreetCO1 1LD | Grade II* |
| 22 | 9 and 10, East HillCO1 2QU | Grade II* |
| 23 | Church of St James and St PaulCO1 2QN | Grade II* |
| 24 | Church of St MartinCO1 1HN | Grade II* |
| 25 | Church of St PeterCO1 1JW | Grade II* |
| 26 | Colchester ClubCO1 1LD | Grade II* |
| 27 | Colchester War Memorial (Including Lamp Columns, Walls, Gates, Piers, Railings and Posts)CO1 2PG | Grade II* |
| 28 | Column and Street Light, Left of Entrance to Town HallCO1 1PJ | Grade II* |
| 29 | Column and Street Light, Right of Entrance to Town HallCO1 1PJ | Grade II* |
| 30 | Employment ExchangeCO1 1SS | Grade II* |
| 31 | Essex and Suffolk Fire OfficeCO1 1JW | Grade II* |
| 32 | Grey FriarsCO1 1UG | Grade II* |
| 33 | Headgate CourtCO1 1NP | Grade II* |
| 34 | Municipal Water Tower (Jumbo)CO1 1PT | Grade II* |
| 35 | Rear Wing of the Old Siege HouseCO1 2ZE | Grade II* |
| 36 | Summerhouse at Number 74 (the Minories)CO1 2PH | Grade II* |
| 37 | The George HotelCO1 1TD | Grade II* |
| 38 | The Marquis of Granby InnCO1 1EG | Grade II* |
| 39 | The MinoriesCO1 1UE | Grade II* |
| 40 | The ScheregateCO2 7AS | Grade II* |
| 41 | The Siege HouseCO1 2TX | Grade II* |
| 42 | TymperleysCO1 1JN | Grade II* |
| 43 | 105 and 106, High StreetCO1 1TN | Grade II |
| 44 | 10 and 12, Northgate StreetCO1 1EZ | Grade II |
| 45 | 10, Church StreetCO1 1NF | Grade II |
| 46 | 10, East Stockwell Street (See Details for Further Address Information)CO1 1SS | Grade II |
| 47 | 10, North HillCO1 1DZ | Grade II |
| 48 | 117 and 118, High StreetCO1 1TD | Grade II |
| 49 | 11 and 12, East Stockwell StreetCO1 1SS | Grade II |
| 50 | 11 and 12, East StreetCO1 2TU | Grade II |