About the Hertford Conservation Area
The Hertford Conservation Area covers about 274 hectares and was designated by East Hertfordshire District Council in 1967. Inside the boundary are 277 listed buildings (4 Grade I, 24 Grade II*, 249 Grade II). The most significant is Church of St Leonard, Grade I. Part of the area lies in flood zone 2, so an extension may need a flood risk assessment.
What changes inside the conservation area
Conservation areas are “Article 2(3) land”. You keep most permitted development rights, but these are removed or tightened.
- Rear extensionElsewhere: 3 m · 6 m with PANo 6 m / 8 m prior approval
- Two-storey extensionElsewhere: 3 mNeeds planning permission
- Side extensionElsewhere: Half the widthNeeds planning permission
- Loft conversionElsewhere: 50 m³Needs planning permission
- Garden roomElsewhere: 2.5 m high by boundariesNot beside the house
- PorchElsewhere: 3 m²Same limits
- Solar panelsElsewhere: 0.2 m projectionSame limits
- Air source heat pumpElsewhere: 1 unitNot facing the road
- Fences, walls and gatesElsewhere: 2 m · 1 m by a roadSame limits
- External claddingElsewhere: Matching materialsNeeds planning permission
- Tree workElsewhere: No notice6 weeks’ notice to the council
- Demolition (over 115 m³)Elsewhere: AllowedNeeds planning permission
Limits for a semi-detached house under the GPDO 2015. An Article 4 direction can remove more.
Listed buildings in the conservation area
Any work affecting these needs listed building consent, inside or out. Each links to its entry on the National Heritage List.
- Church of St LeonardGrade I
- Gatehouse to Hertford Castle (hertford Castle Demolished)Grade I
- Hertford Quaker Meeting HouseGrade I
- Shire HallGrade I
- 130, Fore StreetGrade II*
- 2, St Andrew StreetGrade II*
- 3-11, FORE STREET (See details for further address information)Grade II*
- 42, Fore StreetGrade II*
- Bailey HallGrade II*
- Bailey Walls, North East Range to Hertford Castle (hertford Castle Demolished)Grade II*
- Bailey Walls, South East Range to Hertford Castle (hertford Castle Demolished)Grade II*
- Beadle HouseGrade II*
- Bengeo HallGrade II*
- Bengeo Hall StablesGrade II*
- Bridgeman HouseGrade II*
- Cecil HouseGrade II*
- Church of All Saints With St JohnGrade II*
- County Hall Including Terraces and FountainGrade II*
- Lombard HouseGrade II*
- North Road HouseGrade II*
- Number 43 Including St Nicholas HallGrade II*
- Old Cross WharfGrade II*
- The Old VicarageGrade II*
- The Red HouseGrade II*
Show all 277 listed buildings ↓All 277 listed buildings
- The Salisbury ArmsGrade II*
- The Walnuts (number 23) Including Front RailingsGrade II*
- Warren Park WarrenfieldGrade II*
- Yeomanry House and Attached Front Area RailingsGrade II*
- 1 and 3, Parliament SquareGrade II
- 1 AND 3, SALISBURY SQUARE (See details for further address information)Grade II
- 1-6, Maltings MewsGrade II
- 1-7, Port HillGrade II
- 1-9, Millbridge MewsGrade II
- 1, Fore StreetGrade II
- 1, Queens RoadGrade II
- 10 and 12, Railway StreetGrade II
- 10-16, The WashGrade II
- 10,12 and 14, St Andrew StreetGrade II
- 106,108 and 110, Fore StreetGrade II
- 11 and 13, Church StreetGrade II
- 11 and 13, North RoadGrade II
- 11 and 13, West StreetGrade II
- 11, Port HillGrade II
- 114 and 116, Fore StreetGrade II
- 12 and 14, Old CrossGrade II
- 12, West StreetGrade II
- 12,14 and 16, Fore StreetGrade II
- 12,14 and 16, Water LaneGrade II
- 121-129, Fore StreetGrade II
- 13 and 15, Old CrossGrade II
- 13, CASTLE STREET (See details for further address information)Grade II
- 13a,15 and 15a, Bull PlainGrade II
- 14 and 15, Market PlaceGrade II
- 14, Parliament SquareGrade II
- 14, West StreetGrade II
- 14,16,18 and 18a, Castle StreetGrade II
- 15, Castle StreetGrade II
- 15, West StreetGrade II
- 15,17 and 19, North RoadGrade II
- 17-23, St Andrew StreetGrade II
- 17, Old CrossGrade II
- 17, West StreetGrade II
- 17,19 and 21, Bull PlainGrade II
- 18, Fore StreetGrade II
- 18, The WashGrade II
- 18, West StreetGrade II
- 19 and 21, Parliament SquareGrade II
- 19-31, Church StreetGrade II
- 19,21 and 21a, Old CrossGrade II
- 19,21 and 23, West StreetGrade II
- 2 and 4, Parliament SquareGrade II
- 2 Gravestones 8 Metres West of North Porch of Church of All SaintsGrade II
- 2-10, Fore StreetGrade II
- 2, SALISBURY SQUARE (See details for further address information)Grade II
- 20 and 20a, St Andrew StreetGrade II
- 20 and 22, West StreetGrade II
- 20, Castle StreetGrade II
- 20, Morgans RoadGrade II
- 21,23 and 27, North RoadGrade II
- 22 and 24, St Andrew StreetGrade II
- 22, 24-26 and 28, Parliament SquareGrade II
- 23 and 23a, Old CrossGrade II
- 23 and 25, Railway StreetGrade II
- 23, Parliament SquareGrade II
- 24, Castle StreetGrade II
- 25-35, Fore StreetGrade II
- 25, Old CrossGrade II
- 25, St Andrew StreetGrade II
- 25, West StreetGrade II
- 26, St Andrew StreetGrade II
- 27 and 29, Railway StreetGrade II
- 27, St Andrew StreetGrade II
- 27, West StreetGrade II
- 28 AND 30, FORE STREET (See details for further address information)Grade II
- 28 and 30, Railway StreetGrade II
- 29 and 31, North RoadGrade II
- 29 and 31, St Andrew StreetGrade II
- 29, Castle StreetGrade II
- 3, Old CrossGrade II
- 3, St Andrew StreetGrade II
- 3,5 and 7, West StreetGrade II
- 30, West StreetGrade II
- 32 and 34, Fore StreetGrade II
- 32, St Andrew StreetGrade II
- 32,34 and 36, Railway StreetGrade II
- 33 and 35, North RoadGrade II
- 33,35 and 37, Port HillGrade II
- 35 and 37 Including Former Number 33Grade II
- 35b and 35c, Bull PlainGrade II
- 36 and 38, Castle StreetGrade II
- 36 and 38, St Andrew StreetGrade II
- 4, Old CrossGrade II
- 4, Water LaneGrade II
- 4,4a and 6, St Andrew StreetGrade II
- 40 and 42, St Andrew StreetGrade II
- 40-46, West StreetGrade II
- 44 and 44a, St Andrew StreetGrade II
- 45-53, Railway StreetGrade II
- 45, North RoadGrade II
- 48, West StreetGrade II
- 5 and 7, Maidenhead StreetGrade II
- 5 and 7, Parliament SquareGrade II
- 5-11, St Andrew StreetGrade II
- 5, Old CrossGrade II
- 5,7 and 9, Church StreetGrade II
- 50, St Andrew StreetGrade II
- 52, Port ValeGrade II
- 54, St Andrew StreetGrade II
- 56, St Andrew StreetGrade II
- 58 and 60, St Andrew StreetGrade II
- 6, Old CrossGrade II
- 6, Parliament SquareGrade II
- 6,8 and 10, Water LaneGrade II
- 60 and 64, Fore StreetGrade II
- 61 Fore StreetGrade II
- 67,69 and 71, Fore StreetGrade II
- 6a and 8, The WashGrade II
- 7 and 8, Market PlaceGrade II
- 7, Bluecoat AvenueGrade II
- 7, COWBRIDGE (See details for further address information)Grade II
- 7, Railway StreetGrade II
- 70, Fore StreetGrade II
- 72 and 74, Fore StreetGrade II
- 78-84, Horns Mill RoadGrade II
- 8, Bluecoat AvenueGrade II
- 8, Old CrossGrade II
- 8, St Andrew StreetGrade II
- 82, Fore StreetGrade II
- 83, Fore StreetGrade II
- 88-96, Fore StreetGrade II
- 9 and 9a, Maidenhead StreetGrade II
- 9, Market PlaceGrade II
- 9, Railway StreetGrade II
- 9, West StreetGrade II
- 9,11 and 13, Parliament SquareGrade II
- 91 and 93, Fore StreetGrade II
- 95, Fore StreetGrade II
- 99 and 101, Fore StreetGrade II
- Barclays BankGrade II
- Barn 12 Metres West of Number 50 WestfieldGrade II
- Bengeo Hall Cottage and West Yard WallGrade II
- Bengeo Old HouseGrade II
- Bluecoats HouseGrade II
- Boundary Railings to St Andrews ChurchyardGrade II
- Buffer Lights on Platform 1, Hertford East StationGrade II
- Cambridge HouseGrade II
- Castle Moat HouseGrade II
- CawthorneGrade II
- Chest Tomb Approximately 31 Metres North of Vestry Door of Church of All SaintsGrade II
- Chest Tomb Approximately 50 Metres South East of Church of All SaintsGrade II
- Church of Holy Trinity, BengeoGrade II
- Church of St AndrewGrade II
- Church of the Immaculate Conception and St JosephGrade II
- Churchfields KindergartenGrade II
- Churchyard Wall to Church of St AndrewGrade II
- Coach House and Stable to the GroveGrade II
- Coachouse and Stables to Number 23Grade II
- Cottage, Stable and Coach House, 15 Metres East of Number 50 WestfieldGrade II
- Cowbridge Halls to Hertford United Reform ChurchGrade II
- Dimsdale HouseGrade II
- Drinking FountainGrade II
- Dunkirk FarmhouseGrade II
- East Wing to Number 37, Former Green Coat SchoolGrade II
- Entrance Gateway and Walling to Former Christs Hospital SiteGrade II
- Folly in Grounds of Beane River View (beane River View Not Included)Grade II
- Footbridge Over Mill Stream, In Grounds 40 Metres North of North Road HouseGrade II
- Footbridge Over River Mimram and RailingsGrade II
- Forecourt to County Hall Including Bas Relief Drum, Lamp Posts, Boundary MarkerGrade II
- Former Corn Exchange and Public HallGrade II
- Former Dining Hall, Christs Hospital (part of Chauncy Court)Grade II
- Former Green Dragon Hotel Including Wall and Pier to RightGrade II
- Former Lodge to Christs Hospital SchoolGrade II
- Former School Hall, Christs Hospital (part of Chauncy Court)Grade II
- Former Stables to Former Green Dragon Hotel Former Stables to Former Green Dragon Hotel (green Dragon Hotel Not Included)Grade II
- Former Stewards House Christs Hospital (part of Chauncy Court)Grade II
- Gate at Ngr Tl 3273 1248Grade II
- Gate at Ngr Tl 3274 1247Grade II
- Gates to East Site at Mcmullens BreweryGrade II
- Gates to the Grounds of Hertford Castle (hertford Castle Demolished)Grade II
- Gateway to Lombard HouseGrade II
- Gateway to West of Number 35Grade II
- Gazebo in Grounds of Rockall (rockall Not Included)Grade II
- GravesonsGrade II
- GravesonsGrade II
- Great Northern WorksGrade II
- Group of 6 Headstones Approximately 41 Metres South East of Church Tower of Church of All SaintsGrade II
- Grove CottageGrade II
- Harrison AlmshousesGrade II
- Headstone Approximately 10 Metres South East of South Aisle of Church of All SaintsGrade II
- Hertford Baptist Church, Church Hall and Attached RailingsGrade II
- Hertford County Hospital (main Front Block)Grade II
- Hertford East StationGrade II
- Hertford LibraryGrade II
- Hertford Museum Tooke HouseGrade II
- Hertford Post OfficeGrade II
- Hertford United Reform ChurchGrade II
- Hertford War Memorial Including Raised Elliptical SurroundGrade II
- Icehouse Approximately 35 Metres South of Postern, Hertford Castle (hertford Castle Demolished)Grade II
- K6 Telephone Kiosk Outside Hertford Library to Right of EntranceGrade II
- Kitchen Garden Wall to Bengeo HallGrade II
- Lea Cottage (number 36) Including Weatherboard Lean to to East of Number 36Grade II
- Little MolewoodGrade II
- Lych Gate to Church of Holy TrinityGrade II
- Manufactory HouseGrade II
- Mcmullens BreweryGrade II
- Molewood House Molewood LodgeGrade II
- National Westminster BankGrade II
- Norton HouseGrade II
- Number 17 Including Front RailingsGrade II
- Number 30 Including Area Railings and WallGrade II
- Number 85 Including Boundary Wall and PiersGrade II
- Numbers 37, 39 and 41 Including Garden Door and Garden Wall to Number 41Grade II
- Old Cross HouseGrade II
- Old MaltingsGrade II
- Pearson Memorial at All Saints CemeteryGrade II
- Port Hill HouseGrade II
- Post OfficeGrade II
- Prince Albert CottagesGrade II
- Prince of Wales HouseGrade II
- Princess Mary HouseGrade II
- Priory Rooms to Friends Meeting HouseGrade II
- Pump Adjoining Number 5Grade II
- Queen Alexandra HouseGrade II
- Record Office, Library and Register OfficeGrade II
- Revels HallGrade II
- Riverside Gazebo in Rear Garden of Number 12Grade II
- Salisbury HouseGrade II
- Sele House Including Front RailingsGrade II
- Sherwood HouseGrade II
- Stables and Coach House to White Hart InnGrade II
- The Black Horse Public HouseGrade II
- The Blackbird Public HouseGrade II
- The Dolphin Public HouseGrade II
- The Former Addis Factory, Western RangeGrade II
- The Great Eastern TavernGrade II
- The Grove the Grove Including Retaining Wall, Piers and StepsGrade II
- The Harts HornsGrade II
- The LodgeGrade II
- The Longmore CentreGrade II
- The MalthouseGrade II
- The Old Pest HouseGrade II
- The Old RectoryGrade II
- The Ram InnGrade II
- The Reindeer Public HouseGrade II
- The Saracens Head Public HouseGrade II
- The Seed WarehouseGrade II
- The Sportsman Public HouseGrade II
- The VineyardGrade II
- The White Horse Public HouseGrade II
- Three Tuns Public HouseGrade II
- Vale HouseGrade II
- Wall Adjoining Numbers 121-129 (odd)Grade II
- WallfieldsGrade II
- War Memorial in North Churchyard, Church of St AndrewGrade II
- WestfieldGrade II
- WhitacreGrade II
- White Hart InnGrade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
The council’s appraisal
WEBHertford Conservation Area AppraisalEast Hertfordshire District Council’s description of the area’s character — what planners look at when you apply.Open on council site ↗Nearby conservation areas
Boundary and listed buildings from East Hertfordshire District Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.