| 151 | 9,11 and 13, Parliament SquareSG14 1EX | Grade II |
| 152 | 91 and 93, Fore StreetSG14 1AS | Grade II |
| 153 | 95, Fore StreetSG14 1AS | Grade II |
| 154 | 99 and 101, Fore StreetSG14 1AS | Grade II |
| 155 | 9 and 9a, Maidenhead StreetSG14 1DN | Grade II |
| 156 | 9, Market PlaceSG14 1DP | Grade II |
| 157 | 9, Railway StreetSG14 1BE | Grade II |
| 158 | 9, West StreetSG13 8ET | Grade II |
| 159 | Barclays BankSG14 1BY | Grade II |
| 160 | Barn 12 Metres West of Number 50 WestfieldSG13 8EZ | Grade II |
| 161 | Bengeo Hall Cottage and West Yard WallSG14 3LL | Grade II |
| 162 | Bengeo Old HouseSG14 3JR | Grade II |
| 163 | Bluecoats HouseSG14 1PB | Grade II |
| 164 | Boundary Railings to St Andrews ChurchyardSG14 1HQ | Grade II |
| 165 | Buffer Lights on Platform 1, Hertford East StationSG14 1SB | Grade II |
| 166 | Cambridge HouseSG14 1PB | Grade II |
| 167 | Castle Moat HouseSG14 1HH | Grade II |
| 168 | CawthorneSG14 1HQ | Grade II |
| 169 | Chest Tomb Approximately 31 Metres North of Vestry Door of Church of All SaintsSG13 8AF | Grade II |
| 170 | Chest Tomb Approximately 50 Metres South East of Church of All SaintsSG13 8AY | Grade II |
| 171 | Churchfields KindergartenSG13 8AE | Grade II |
| 172 | Church of Holy Trinity, BengeoSG14 3JJ | Grade II |
| 173 | Church of St AndrewSG14 1HZ | Grade II |
| 174 | Church of the Immaculate Conception and St JosephSG14 1BQ | Grade II |
| 175 | Churchyard Wall to Church of St AndrewSG14 1JA | Grade II |
| 176 | Coach House and Stable to the GroveSG14 3BD | Grade II |
| 177 | Coachouse and Stables to Number 23SG14 1HH | Grade II |
| 178 | Cottage, Stable and Coach House, 15 Metres East of Number 50 WestfieldSG13 8EZ | Grade II |
| 179 | Cowbridge Halls to Hertford United Reform ChurchSG14 1PG | Grade II |
| 180 | Dimsdale HouseSG14 1DL | Grade II |
| 181 | Drinking FountainSG14 1RE | Grade II |
| 182 | Dunkirk FarmhouseSG13 8BA | Grade II |
| 183 | East Wing to Number 37, Former Green Coat SchoolSG14 1EJ | Grade II |
| 184 | Entrance Gateway and Walling to Former Christs Hospital SiteSG14 1AX | Grade II |
| 185 | Folly in Grounds of Beane River View (Beane River View Not Included)SG14 3UD | Grade II |
| 186 | Footbridge Over Mill Stream, in Grounds 40 Metres North of North Road HouseSG14 1HT | Grade II |
| 187 | Footbridge Over River Mimram and RailingsSG14 1HQ | Grade II |
| 188 | Forecourt to County Hall Including Bas Relief Drum, Lamp Posts, Boundary MarkerSG13 8DE | Grade II |
| 189 | Former Corn Exchange and Public HallSG14 1BD | Grade II |
| 190 | Former Dining Hall, Christs Hospital (Part of Chauncy Court)SG14 1DU | Grade II |
| 191 | Former Green Dragon Hotel Including Wall and Pier to RightSG14 1FE | Grade II |
| 192 | Former Lodge to Christs Hospital SchoolSG14 1AX | Grade II |
| 193 | Former School Hall, Christs Hospital (Part of Chauncy Court)SG14 1DU | Grade II |
| 194 | Former Stables to Former Green Dragon Hotel Former Stables to Former Green Dragon Hotel (Green Dragon Hotel Not Included)SG14 1PT | Grade II |
| 195 | Former Stewards House Christs Hospital (Part of Chauncy Court)SG14 1DU | Grade II |
| 196 | Gate at Ngr Tl 3273 1248SG14 1EJ | Grade II |
| 197 | Gate at Ngr Tl 3274 1247SG14 1EJ | Grade II |
| 198 | Gates to East Site at Mcmullens BrewerySG14 1RD | Grade II |
| 199 | Gates to the Grounds of Hertford Castle (Hertford Castle Demolished)SG14 1FE | Grade II |
| 200 | Gateway to Lombard HouseSG14 1EE | Grade II |