About the Parkhill Conservation Area
The Parkhill Conservation Area covers about 19 hectares and was designated by London Borough of Camden in 1985. Inside the boundary are 12 listed buildings (1 Grade I, 11 Grade II). The most significant is Numbers I, 1a, 1b, 1c and 1d and 2-32 Isokon Flats, Grade I. 2 Article 4 directions over the area remove further householder rights, on top of the conservation area limits below.
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.
- Launderettes to dwelling houses (Sui Generis to C3)Change of use
- BasementsHouseholder works
- Belsize Conservation Area Non-immediate Article 4Householder works
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.
- Numbers I, 1a, 1b, 1c and 1d and 2-32 Isokon FlatsGrade I
- 148, Haverstock HillGrade II
- Barn FieldGrade II
- Belsize Park Underground Station including forecourt walls, gatepiers, gates and railingsGrade II
- Garden Wall, Railings and Gates to Number 148Grade II
- K2 Telephone Kiosk Outside the Haverstock Arms Public House (public House Not Included)Grade II
- Lamp post at St Pancras Almshouses to south of former nos 9-13Grade II
- Lamp Post at St Pancras Almshouses to the North of Nos 1-5Grade II
- Lamp Post Outside Number 7 St Pancras AlmshousesGrade II
- Load of Hay TavernGrade II
- St Pancras Almshouses Numbers 1-13Grade II
- Wood FieldGrade II
The council’s appraisal
WEBParkhill Conservation Area AppraisalLondon Borough of Camden’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 Camden and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.