About the Holly Grove Conservation Area
The Holly Grove Conservation Area covers about 3.4 hectares and was designated by Oldham Metropolitan Borough Council in 1988. 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.
- 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.
- BontGrade II
- Cottage Adjoining North of Holly Grove CottageGrade II
- Field TopGrade II
- Hollin GreaveGrade II
- Hollin Greave FarmhouseGrade II
- Hollin GroveGrade II
- Holly Grove CottageGrade II
- Lane SideGrade II
- Wool Wall at Se 003 068Grade II
Nearby conservation areas
Boundary and listed buildings from Oldham Metropolitan Borough Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.