| 1 | 102, Wilbury RoadSG6 4JE | Grade II* |
| 2 | 158, Wilbury RoadSG6 4JD | Grade II* |
| 3 | 296, Norton Way SouthSG6 1SU | Grade II* |
| 4 | ArunsideSG6 3ND | Grade II* |
| 5 | Letchworth Hall HotelSG6 3NP | Grade II* |
| 6 | TanglewoodSG6 3PU | Grade II* |
| 7 | The CloistersSG6 3TH | Grade II* |
| 8 | The Spirella Building, Associated Fountain, Lamp Standards and StepsSG6 4ET | Grade II* |
| 9 | 103-115, Rushby MeadSG6 1SF | Grade II |
| 10 | 1-24, WestholmSG6 4JA | Grade II |
| 11 | 126, Wilbury RoadSG6 4FW | Grade II |
| 12 | 139, Wilbury RoadSG6 4HQ | Grade II |
| 13 | 162-176, Wilbury RoadSG6 4JA | Grade II |
| 14 | 17-43, Ridge AvenueSG6 1PR | Grade II |
| 15 | 1-8, Paddock CloseSG6 1TB | Grade II |
| 16 | 18, Sollershott East (See Details for Further Address Information)SG6 3JN | Grade II |
| 17 | 19-25, Lytton AvenueSG6 3HT | Grade II |
| 18 | 1 and 2, EastholmSG6 4TN | Grade II |
| 19 | 217, Icknield WaySG6 4TY | Grade II |
| 20 | 221, Icknield WaySG6 4TU | Grade II |
| 21 | 22 and 24, Sollershott WestSG6 3PX | Grade II |
| 22 | 2, 3 and 4, Letchworth LaneSG6 3LN | Grade II |
| 23 | 2-42, Rushby MeadSG6 1RU | Grade II |
| 24 | 24-30, Hillshot (See Details for Further Address Information)SG6 1SB | Grade II |
| 25 | 29 and 31, Field Lane (See Details for Further Address Information)SG6 3PL | Grade II |
| 26 | 29, Norton Way NorthSG6 1BX | Grade II |
| 27 | 3-21, Meadow WaySG6 3TP | Grade II |
| 28 | 32-38, Sollershott East (See Details for Further Address Information)SG6 3JN | Grade II |
| 29 | 34 and 36, South ViewSG6 3JJ | Grade II |
| 30 | 355-361, Norton Way SouthSG6 1SZ | Grade II |
| 31 | 35 and 37, Baldock RoadSG6 3JX | Grade II |
| 32 | 3 and 5, Norton Way NorthSG6 1BY | Grade II |
| 33 | 43, Lytton AvenueSG6 3HU | Grade II |
| 34 | 44-58, Rushby WalkSG6 1PP | Grade II |
| 35 | 4, Cross StreetSG6 4UD | Grade II |
| 36 | 52-58, Leys AvenueSG6 3EQ | Grade II |
| 37 | 60-78, Rushby WalkSG6 1RX | Grade II |
| 38 | 7-17, Lytton AvenueSG6 3HR | Grade II |
| 39 | 8-32, Meadow WaySG6 3JB | Grade II |
| 40 | 86-144, Rushby MeadSG6 1SA | Grade II |
| 41 | 9-27, Birds HillSG6 1PL | Grade II |
| 42 | AbendheimSG6 1SX | Grade II |
| 43 | AnnemuirSG6 4TY | Grade II |
| 44 | AranaSG6 3LL | Grade II |
| 45 | ArunwoodSG6 3NN | Grade II |
| 46 | Birds Hill EstateSG6 1PP | Grade II |
| 47 | Booking Hall, Public Rooms, Offices and Footbridge at Letchworth StationSG6 3AN | Grade II |
| 48 | CarfaxSG6 3PW | Grade II |
| 49 | Church of St George with Garden Walls, Steps and Three Concrete BenchesSG6 1BY | Grade II |
| 50 | Club House, Flat Nos 1a, 1b, 2a, 8a and 2-32 (Consec), Sollershott HallSG6 3PN | Grade II |