About the Kings Langley Conservation Area
The Kings Langley Conservation Area covers about 19 hectares and was designated by Dacorum Borough Council in 1969. Inside the boundary are 40 listed buildings (3 Grade II*, 37 Grade II). The most significant is Church of All Saints, Grade II*.
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 All SaintsGrade II*
- Langley HouseGrade II*
- Priory Remains (now Part of the New School) and Attached BuildingsGrade II*
- 1,3 and 5, High StreetGrade II
- 15,17 and 19, High StreetGrade II
- 16, High StreetGrade II
- 33,35 and 37, High StreetGrade II
- 36 and 36a, High StreetGrade II
- 38, High StreetGrade II
- 40, High StreetGrade II
- 44, High StreetGrade II
- 46, 48 and 50, High StreetGrade II
- 49, High StreetGrade II
- 51 and 53, High StreetGrade II
- 59 and 61, High StreetGrade II
- 6, 8 AND 10, HIGH STREET (See details for further address information)Grade II
- 63,65 and 67, High StreetGrade II
- 73, 75, 77, 79 and 81, Langley HillGrade II
- Balls Pond FarmhouseGrade II
- Barn at Rear of Nos 15/17Grade II
- Blue CourtGrade II
- Church CottageGrade II
- Church HouseGrade II
- Coach House, Wall, And Gateways on North at HaverfieldGrade II
Show all 40 listed buildings ↓All 40 listed buildings
- Cooks Service StationGrade II
- HaverfieldGrade II
- Hill CottageGrade II
- Hill FarmhouseGrade II
- Hyde Monument in All Saints Churchyard (16 Metres to East of Church)Grade II
- LaxtonGrade II
- Old Palace Lodge and Langley Hill HouseGrade II
- Pound CottageGrade II
- Ruins of Langley Palace in the Garden of No 80 (york Ridge)Grade II
- The Old Cottage RestaurantGrade II
- The Old Palace Public HouseGrade II
- The Red HouseGrade II
- The Rose and Crown Public HouseGrade II
- The Saracen Head Public HouseGrade II
- Vine CottageGrade II
- Wotton Monuments in All Saints Churchyard (35 Metres to East of Church)Grade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
Nearby conservation areas
Boundary and listed buildings from Dacorum Borough Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.