About the John Innes (Merton Park) Conservation Area
The John Innes (Merton Park) Conservation Area covers about 31 hectares and was designated by London Borough of Merton in 1968. Inside the boundary are 8 listed buildings (1 Grade II*, 7 Grade II). The most significant is Church of St Mary, 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.
- Church of St MaryGrade II*
- Dorset HallGrade II
- Flint BarnGrade II
- Freestanding Archway About 7 Yards to North West of West Doorway of Church of St MaryGrade II
- Garden Path Enclosing 4 Sides of Playing Field 10 Yards to North of Church of St Mary Garden Wall Enclosing 4 Sides of Playing Field 10 Yards to North of Church of St Mary,Including Iron Gate and Overthrow to Church PathGrade II
- K6 Telephone KioskGrade II
- The Manor House (now Forming Part of the John Innes II School)Grade II
- War MemorialGrade II
The council’s appraisal
WEBJohn Innes (Merton Park) Conservation Area AppraisalLondon Borough of Merton’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 Merton and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.