About the Ham Common Conservation Area
The Ham Common Conservation Area covers about 74 hectares and was designated by London Borough of Richmond upon Thames in 2004. Inside the boundary are 27 listed buildings (5 Grade II*, 22 Grade II). The most significant is 1-18, Langham House Close, 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.
- 1-18, Langham House CloseGrade II*
- 19-24, Langham House CloseGrade II*
- 25-30, Langham House CloseGrade II*
- Ormeley Lodge, With Gates and Railings to FrontGrade II*
- Sudbrook LodgeGrade II*
- Avenue CottageGrade II
- Avenue LodgeGrade II
- Avenue Lodge CottageGrade II
- Church of St AndrewGrade II
- Ensleigh LodgeGrade II
- Fox House (Formerly The Rosary) and gate and railingsGrade II
- Gordon HouseGrade II
- Ham War MemorialGrade II
- Hardwicke HouseGrade II
- Ivy Cottage and Ivy House, and railingsGrade II
- Ivy House Cottage and railingsGrade II
- Langham HouseGrade II
- Orford Hall St Michaels ConventGrade II
- Park Gate HouseGrade II
- Selby HouseGrade II
- South LodgeGrade II
- Stafford CottagesGrade II
- The Cassel HospitalGrade II
- The CottageGrade II
Show all 27 listed buildings ↓All 27 listed buildings
- The Little HouseGrade II
- The New Inn Public HouseGrade II
- The Old Coach House and wallGrade II
The council’s appraisal
WEBHam Common Conservation Area AppraisalLondon Borough of Richmond upon Thames’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 Richmond upon Thames and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.