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
The council’s appraisal
WEBSt Dunstan's 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.