About the Harmer Street, Gravesend Conservation Area
The Harmer Street, Gravesend Conservation Area covers about 2.1 hectares and was designated by Gravesham Borough Council in 1975. Inside the boundary are 13 listed buildings, all Grade II. 6 Tree Preservation Order records overlap the area; every other tree here still needs six weeks’ notice before work.
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.
- 1-45, HARMER STREET (See details for further address information)Grade II
- 1-9, Berkley CrescentGrade II
- 144 and 145, Milton RoadGrade II
- 146, Milton RoadGrade II
- 1a and 2a, Harmer StreetGrade II
- 2-48, Harmer StreetGrade II
- 39, The TerraceGrade II
- 42, The TerraceGrade II
- 43, The TerraceGrade II
- Clock TowerGrade II
- Former Stables to No 39Grade II
- Rose and Thistle Public HouseGrade II
- Terrace TavernGrade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
The council’s appraisal
WEBHarmer Street, Gravesend Conservation Area AppraisalGravesham Borough Council’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 Gravesham Borough Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.