| 1 | Church of St Mary MagdalenePL15 8AP | Grade I |
| 2 | Church of St StephenPL15 8HE | Grade I |
| 3 | Launceston Castle Keep and Attached BuildingsPL15 8AY | Grade I |
| 4 | The North Gatehouse of Launceston Castle and Attached WallsPL15 8BA | Grade I |
| 5 | The South GatePL15 9DX | Grade I |
| 6 | The South Gatehouse of Launceston Castle and Attached BuildingsPL15 7DR | Grade I |
| 7 | The West BridgePL15 8HT | Grade I |
| 8 | 26, Church StreetPL15 8AR | Grade II* |
| 9 | 5 and 7, Southgate StreetPL15 9DU | Grade II* |
| 10 | 5, Castle StreetPL15 8BA | Grade II* |
| 11 | Castle Hill HousePL15 8AZ | Grade II* |
| 12 | Church of St Thomas by LauncestonPL15 8DH | Grade II* |
| 13 | Dockacre House and Attached Road Frontage WallsPL15 8AU | Grade II* |
| 14 | Garden Railings and Gate Piers to Eagle House HotelPL15 8BA | Grade II* |
| 15 | Launceston Town WallsPL15 8AU | Grade II* |
| 16 | Lawrence House and Museum and Forecourt WallPL15 8BA | Grade II* |
| 17 | Merchant HousePL15 8AD | Grade II* |
| 18 | No 4 Incorporating the Judge's KitchenPL15 8ER | Grade II* |
| 19 | Remains of St Thomas PrioryPL15 8DH | Grade II* |
| 20 | Roman Catholic Church of St Cuthbert Mayne, Memorial and Attached Walls and StepsPL15 8XQ | Grade II* |
| 21 | The Eagle House HotelPL15 8BA | Grade II* |
| 22 | 10-18, St Stephen's HillPL15 8HN | Grade II |
| 23 | 10 and 12, Newport SquarePL15 8EL | Grade II |
| 24 | 10 and 12, Southgate StreetPL15 9TE | Grade II |
| 25 | 10, Church StreetPL15 8AP | Grade II |
| 26 | 11, Angel HillPL15 8BS | Grade II |
| 27 | 11, Duke StreetPL15 8HD | Grade II |
| 28 | 11, North StreetPL15 8HF | Grade II |
| 29 | 11, Southgate StreetPL15 9DX | Grade II |
| 30 | 11, Western RoadPL15 7AR | Grade II |
| 31 | 12 and 14, High StreetPL15 8ER | Grade II |
| 32 | 1,2 and 3, Dutson RoadPL15 8DJ | Grade II |
| 33 | 1, 2 and 3, the WalkPL15 8BW | Grade II |
| 34 | 12, Church StreetPL15 8AP | Grade II |
| 35 | 13, Church StreetPL15 8AW | Grade II |
| 36 | 13, Duke StreetPL15 8HD | Grade II |
| 37 | 14, 16 and 18, St Tomas HillPL15 8BL | Grade II |
| 38 | 14 and 16, St Thomas StreetPL15 8BX | Grade II |
| 39 | 14, Broad StreetPL15 8AE | Grade II |
| 40 | 14, Church StreetPL15 8AP | Grade II |
| 41 | 15 and 17, Church StreetPL15 8AR | Grade II |
| 42 | 15, Duke StreetPL15 8HD | Grade II |
| 43 | 16, Church StreetPL15 8AP | Grade II |
| 44 | 17 and 19, Duke StreetPL15 8HD | Grade II |
| 45 | 18 and 20, St Thomas StreetPL15 8BX | Grade II |
| 46 | 18, Church StreetPL15 8AP | Grade II |
| 47 | 19,19a and 21, Church StreetPL15 8EP | Grade II |
| 48 | 1a, Castle StreetPL15 8BD | Grade II |
| 49 | 1 and 3, Broad StreetPL15 9DP | Grade II |
| 50 | 1, Duke StreetPL15 8HE | Grade II |