About the Bedfont Green Conservation Area
The Bedfont Green Conservation Area covers about 32 hectares and was designated by London Borough of Hounslow in 1974. Inside the boundary are 16 listed buildings, all 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.
Article 4 directions here
These overlap the conservation area. Householder directions remove more of the rights above; change-of-use ones don’t affect extending a house.
- Dwellinghouses (C3) to small HMOs (C4) - borough-wide Article 4 DirectionChange of use
- Change of use or development that would result in new dwellings (Class MA/ZA)Change of use
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.
- 18th Century Headstone St Marys ChurchGrade II
- Bedfont HouseGrade II
- Brick Chest Tomb South of Gates Monument at St Marys ChurchGrade II
- Burlington House and Flanking Walls of Burlington HouseGrade II
- Captain Millers Headstone at St Marys ChurchGrade II
- Church of St MaryGrade II
- Fawns ManorGrade II
- Gate Piers and WallsGrade II
- Gates Monument at St Marys ChurchGrade II
- Group of Three 18th Century Headstones St Marys ChurchGrade II
- Headstone to Mary Taylor St Marys ChurchGrade II
- Milestone 13 Miles From LondonGrade II
- Numbers 1-72 and Community HallGrade II
- Pates ManorGrade II
- SummerhouseGrade II
- The Farm (mr Bennett)Grade II
The council’s appraisal
WEBBedfont Green Conservation Area AppraisalLondon Borough of Hounslow’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 London Borough of Hounslow and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.