About the Ayot Green Conservation Area
The Ayot Green Conservation Area covers about 9.2 hectares and was designated by Welwyn Hatfield Borough Council in 1969. Inside the boundary are 10 listed buildings, all 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.
ProjectElsewhereIn Ayot Green 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.
- 14Grade II
- 16, Ayot GreenGrade II
- 19,21,23Grade II
- 31Grade II
- 37Grade II
- 6Grade II
- 8,10,12Grade II
- Ayot Green CottageGrade II
- Nos 13 and 15 Including Four Gate PiersGrade II
- Wall,Railings,Gatepiers and Gate to Number 16Grade II
The council’s appraisal
WEBAyot Green Conservation Area AppraisalWelwyn Hatfield 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 Welwyn Hatfield Borough Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.