About the Hanway Street Conservation Area
The Hanway Street Conservation Area covers about 1.5 hectares and was designated by City of Westminster in 1996. Inside the boundary are 6 listed buildings (1 Grade II*, 5 Grade II). The most significant is Flying Horse Public House, Grade II*. 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.
- BasementsHouseholder works
- Commercial, Business, and Service (Use Class E) to residential (Use Class C3) (in CAZ)Change of use
- Article 4 Basement Development Permitted Rights RemovedHouseholder works
- Article 4 Direction Class E To C3 In Central Activities ZoneChange of use
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.
- Flying Horse Public HouseGrade II*
- 1, Tottenham Court RoadGrade II
- 11, Rathbone Place W1Grade II
- 34 and 36, Oxford Street W1Grade II
- Evelyn HouseGrade II
- Former Oxford Corner HouseGrade II
The council’s appraisal
WEBHanway Street Conservation Area AppraisalCity of Westminster’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 City of Westminster and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.