| 251 | Bowling Club HouseNG24 1TS | Grade II |
| 252 | Britannia BuildingsNG24 4XN | Grade II |
| 253 | Brunswick HouseNG24 4UN | Grade II |
| 254 | Bull Ring or Bear Baiting PostNG24 1DU | Grade II |
| 255 | Cask Store at Castle BreweryNG24 4AF | Grade II |
| 256 | Castle and Falcon Public House and Attached OutbuildingsNG24 1TW | Grade II |
| 257 | Castle BreweryNG24 4AF | Grade II |
| 258 | Castle Railway StationNG24 1BL | Grade II |
| 259 | Causeway Arches and Embankment Walling 50 Metres North West of Trent BridgeNG24 1FF | Grade II |
| 260 | Cemetery Chapels NG24 1SG | Grade II |
| 261 | Cheltermill HouseNG24 1XP | Grade II |
| 262 | Church HouseNG24 1EE | Grade II |
| 263 | Crow ViewNG24 4UA | Grade II |
| 264 | Elmhurst HotelNG24 1XP | Grade II |
| 265 | Former Corn Exchange, Now Silverline BingoNG24 1BG | Grade II |
| 266 | Former Gilstrap LibraryNG24 1AZ | Grade II |
| 267 | Former Infants' SchoolNG24 4UA | Grade II |
| 268 | Former King's Arms Public HouseNG24 4UQ | Grade II |
| 269 | Former Methodist Chapel (H and S Group Services Limited)NG24 1UP | Grade II |
| 270 | Former Offices at South End of Northgate Railway StationNG24 1LS | Grade II |
| 271 | Former Slaughterhouse and Cattle Stall 5 Metres North West of 68aNG24 4TN | Grade II |
| 272 | Former Stable Range 5 Metres South West of 109NG24 4UE | Grade II |
| 273 | Former Station Master's House at Castle StationNG24 1BL | Grade II |
| 274 | Former Subscription LibraryNG24 1DT | Grade II |
| 275 | Former Tollhouse at South East End of Trent Bridge and Adjoining RailingNG24 1BN | Grade II |
| 276 | Fosseway HotelNG24 1XP | Grade II |
| 277 | Freestanding Chimney 10 Metres South East of Church of St Mary MagdaleneNG24 1EA | Grade II |
| 278 | Gateway to Cemetery ChapelsNG24 1SD | Grade II |
| 279 | Goods Warehouse 150 Metres North East of Castle StationNG24 1FD | Grade II |
| 280 | Handley House and Adjoining Former House to LeftNG24 1EH | Grade II |
| 281 | Hesketh HouseNG24 4UG | Grade II |
| 282 | Holly CottageNG24 4UX | Grade II |
| 283 | Jalland's RowNG24 1JU | Grade II |
| 284 | Jalland's RowNG24 1JU | Grade II |
| 285 | Kirkwood HouseNG24 1GX | Grade II |
| 286 | Klynton House (51) and Attached WallsNG24 1SB | Grade II |
| 287 | Lilley and Stone SchoolNG24 1TF | Grade II |
| 288 | Lombard HouseNG24 1XF | Grade II |
| 289 | Longstone BridgeNG24 4UH | Grade II |
| 290 | Maltings 70 Metres North West of Northgate BreweryNG24 1UT | Grade II |
| 291 | Maurice Key FurnishingsNG24 1XP | Grade II |
| 292 | Memorial Drinking Fountain 28 Metres South East of 39 and 41NG24 1TH | Grade II |
| 293 | Midland BankNG24 1EQ | Grade II |
| 294 | Millbank (British Red Cross Society) and Attached WallsNG24 4UA | Grade II |
| 295 | Millgate Folk Museum the Navigation Company BrasserieNG24 4UL | Grade II |
| 296 | Millgate House Hotel and Adjoining Boundary WallNG24 4TT | Grade II |
| 297 | Mount SchoolNG24 1FA | Grade II |
| 298 | National Westminster BankNG24 1DY | Grade II |
| 299 | Newark Antiques CentreNG24 1XP | Grade II |
| 300 | Newark Area Health Authority OfficesNG24 1XH | Grade II |