About the New Broad Street Conservation Area
The New Broad Street Conservation Area covers about 1.3 hectares and was designated by City of London Corporation in 2007. Inside the boundary are 3 listed buildings (1 Grade I, 2 Grade II). The most significant is Church of All Hallows, Grade I.
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.
ProjectElsewhereIn New Broad Street CA
- 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 All HallowsGrade I
- 56 to 60, New Broad StreetGrade II
- 62, New Broad Street Ec2Grade II
The council’s appraisal
WEBNew Broad Street Conservation Area AppraisalCity of London Corporation’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 London Corporation and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.