About the Little Common Conservation Area, Stanmore Conservation Area
The Little Common Conservation Area, Stanmore Conservation Area covers about 33 hectares within London Borough of Harrow’s area. Inside the boundary are 19 listed buildings (1 Grade II*, 18 Grade II). The most significant is Stanmore Hall, 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.
- Stanmore HallGrade II*
- 1, Aylmer CloseGrade II
- 13, Little CommonGrade II
- 36-43, Little CommonGrade II
- Boundary Wall and Gates to Number 173 (hill House) Running South East From Northern Point of House, Turning Into Aylmer RoadGrade II
- Boundary Wall Approximately 120 Yards Long Running West South West From Western Corner of Garden CottageGrade II
- Boundary Wall Fronting Road From Numbers 118, 126 and 128Grade II
- Boundary Wall Fronting Road From the Garth to the Lodge of Stanmore HallGrade II
- Garden CottageGrade II
- Hill HouseGrade II
- Lodge and Gate Piers to Stanmore HallGrade II
- Parson's Cottage and Attached Outbuidings to RearGrade II
- Springbok House (formerly known as Warren House)Grade II
- The Old Brewery HouseGrade II
- The Rookery Including StablesGrade II
- Wall From South East Corner of Number 1 Little Common Running Into Wood Lane and Terminating Approximately 13 Yards From Corner With Stanmore HillGrade II
- Wall Fronting Road Between Numbers 2 and 3Grade II
- Wall Running South West From Corner of Number 3, Approximately 26 Yards Along Stanmore Hill and North East Up to Rear of Number 2Grade II
- Wall to West and North of Springbok HouseGrade 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 London Borough of Harrow and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.