About the St Dunstan's Conservation Area
The St Dunstan's Conservation Area covers about 11 hectares and was designated by London Borough of Hounslow in 2008. Inside the boundary are 8 listed buildings (1 Grade II*, 7 Grade II). The most significant is Church of St Dunstan, 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
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 DunstanGrade II*
- Chest Tomb to Dan Blake, St Dunstans ChurchyardGrade II
- Chest Tomb to John Evans, St Dunstans ChurchyardGrade II
- Chest Tomb to Rebecca Bell, St Dunstans ChurchyardGrade II
- Chest Tomb to Richard Ride and Family, St Dunstans ChurchyardGrade II
- The Old VicarageGrade II
- Tombstone to Ann and Jospeh Pope, St Dunstans ChurchyardGrade II
- Tombstone to Mr John Foot and Sons, St Dunstans ChurchyardGrade II
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.