| 301 | Church of St Cuthbert and Presbytery AttachedDH1 3JS | Grade II |
| 302 | Church of St GodricDH1 4RD | Grade II |
| 303 | Church of St Mary the LessDH1 3EQ | Grade II |
| 304 | Church of St NicholasDH1 3NJ | Grade II |
| 305 | City HotelDH1 3AQ | Grade II |
| 306 | College of the Venerable Bede War MemorialDH1 1TB | Grade II |
| 307 | Colpitts HotelDH1 4EQ | Grade II |
| 308 | Colpitts TerraceDH1 4EG | Grade II |
| 309 | Conduit HouseDH1 3EL | Grade II |
| 310 | Cosin's AlmshousesDH1 3RL | Grade II |
| 311 | Counts HouseDH1 3EE | Grade II |
| 312 | Department of Palaeography and DiplomaticDH1 3EQ | Grade II |
| 313 | Deputy Governor's HouseDH1 3HW | Grade II |
| 314 | Dun Cow CottageDH1 3ES | Grade II |
| 315 | Dunelm House Including Landing Stage, Steps and Attached WallsDH1 3AN | Grade II |
| 316 | Durham Light Infantry South African War MemorialDH1 3EP | Grade II |
| 317 | Durham Prison ChapelDH1 3AR | Grade II |
| 318 | Durham Prison C WingDH1 3AR | Grade II |
| 319 | Durham Prison D and a WingsDH1 3HU | Grade II |
| 320 | Durham Prison WorkshopsDH1 3BF | Grade II |
| 321 | Durham Railway Station Front RangeDH1 4RB | Grade II |
| 322 | Durham Railway Station West Range and CanopyDH1 4RB | Grade II |
| 323 | Durham School Luce Music Centre and Porter's Lodge AdjoiningDH1 4QN | Grade II |
| 324 | Durham School South Building, Frontage Building and GatewayDH1 4SZ | Grade II |
| 325 | Estate HouseDH1 3NU | Grade II |
| 326 | Forecourt Walls, Piers, Gates and Overthrow to Crown CourtDH1 3HN | Grade II |
| 327 | Former Gilesgate Railway StationDH1 1LJ | Grade II |
| 328 | Former Grammar School (University Police Office)DH1 3RL | Grade II |
| 329 | Former Miner's HallDH1 4SQ | Grade II |
| 330 | Former United Bus Company CanteenDH1 4EY | Grade II |
| 331 | Former Writing and Plainsong SchoolDH1 3RS | Grade II |
| 332 | Fram Well HeadDH1 5SX | Grade II |
| 333 | Fulling Mill Archaeology MuseumDH1 3EB | Grade II |
| 334 | Garage and Boundary Wall West and North of St. Mary the LessDH1 3EE | Grade II |
| 335 | Garages North of Number 15DH1 3EB | Grade II |
| 336 | Garden Wall South of No. 5DH1 3EE | Grade II |
| 337 | Gas Lamp in Front of Garden Wall of Number 12DH1 3EL | Grade II |
| 338 | Governor's House to East of Crown CourtDH1 3HW | Grade II |
| 339 | Graduate Society OfficesDH1 3JA | Grade II |
| 340 | Half Moon Public HouseDH1 3AG | Grade II |
| 341 | Hallgarth HouseDH1 3HF | Grade II |
| 342 | Hatfield College Dining-Room BlockDH1 3RQ | Grade II |
| 343 | Hatfield College Office BuildingDH1 3ER | Grade II |
| 344 | House North of St Mary-Le-BowDH1 3ES | Grade II |
| 345 | House to South of No. 28DH1 3RJ | Grade II |
| 346 | Ice House North of Count's HouseDH1 3EE | Grade II |
| 347 | KingsgateDH1 3ER | Grade II |
| 348 | Leazes Cottage and Part of Stables and Coach House AttachedDH1 1RE | Grade II |
| 349 | Leazes HouseDH1 1QP | Grade II |
| 350 | Lightfoot House, St Chad's CollegeDH1 3RH | Grade II |