About the Derngate Conservation Area
The Derngate Conservation Area covers about 9.5 hectares and was designated by West Northamptonshire Council in 1986. Inside the boundary are 24 listed buildings (1 Grade II*, 23 Grade II). The most significant is 78, Derngate, 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.
- 78, DerngateGrade II*
- 1, Victoria PromenadeGrade II
- 12-14, Albion PlaceGrade II
- 15 and 16, Albion PlaceGrade II
- 17 and 18, Albion PlaceGrade II
- 21-24, Albion PlaceGrade II
- 27, Guildhall RoadGrade II
- 33-45, St Giles' StreetGrade II
- 66, DerngateGrade II
- 68, DerngateGrade II
- 72 and 74, DerngateGrade II
- 76, DerngateGrade II
- 8-11, Albion PlaceGrade II
- 80, DerngateGrade II
- 82, DerngateGrade II
- City BuildingsGrade II
- Former Memorial Hall, Castilian Street, NorthamptonGrade II
- Northampton High SchoolGrade II
- Number 3 (including Railings)Grade II
- Number 4 (including Railings)Grade II
- Number 7 (including Railings)Grade II
- Numbers 5 and 6 (including Railings)Grade II
- Royal Theatre, Royal and Derngate TheatresGrade II
- Vulcan WorksGrade 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
WEBDerngate Conservation Area AppraisalWest Northamptonshire 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 West Northamptonshire Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.