About the Roxborough Park and The Grove Conservation Area
The Roxborough Park and The Grove Conservation Area covers about 18 hectares within London Borough of Harrow’s area. Inside the boundary are 9 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.
ProjectElsewhereIn Roxborough Park and The Grove CA
- 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.
- ChalgroveGrade II
- Church of Our Lady and St Thomas of CanterburyGrade II
- FarthingsGrade II
- Harrow on the Hill War MemorialGrade II
- HeathfieldGrade II
- The GablesGrade II
- The HavenGrade II
- The PresbyteryGrade II
- White TopsGrade II
Nearby conservation areas
Boundary and listed buildings from London Borough of Harrow and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.