About the Old Town High Street Conservation Area
The Old Town High Street Conservation Area covers about 27 hectares and was designated by Stevenage Borough Council in 1969. Inside the boundary are 87 listed buildings (5 Grade II*, 82 Grade II). The most significant is 131, High Street, Grade II*. 1 Article 4 direction over the area removes further householder rights, on top of the conservation area limits below. 82 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.
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.
- StevenageHouseholder works
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.
- 131, High StreetGrade II*
- 156 High Street, StevenageGrade II*
- 2, Letchmore RoadGrade II*
- 94-98, High StreetGrade II*
- The GrangeGrade II*
- 1 and 3, Church LaneGrade II
- 1 and 3, Middle RowGrade II
- 1, Bowling GreenGrade II
- 1, High StreetGrade II
- 10, High StreetGrade II
- 104, High StreetGrade II
- 106, High StreetGrade II
- 108, High StreetGrade II
- 11, Church LaneGrade II
- 11, Middle RowGrade II
- 110 and 112, High StreetGrade II
- 114, High StreetGrade II
- 12, High StreetGrade II
- 123 and 125, High StreetGrade II
- 127 and 129, High StreetGrade II
- 13, Middle RowGrade II
- 136, High StreetGrade II
- 14 and 16, High StreetGrade II
- 15 and 17, Middle RowGrade II
Show all 87 listed buildings ↓All 87 listed buildings
- 158 High Street, StevenageGrade II
- 160 High Street, StevenageGrade II
- 17, High StreetGrade II
- 18, High StreetGrade II
- 19, Church LaneGrade II
- 2-12, Walkern RoadGrade II
- 2-6, Baker StreetGrade II
- 2, Bowling GreenGrade II
- 2, James WayGrade II
- 2, Middle RowGrade II
- 20, High StreetGrade II
- 26, High StreetGrade II
- 27, High StreetGrade II
- 28 and 28a, High StreetGrade II
- 3, Bowling GreenGrade II
- 3, High StreetGrade II
- 30, High StreetGrade II
- 31, High StreetGrade II
- 33, High StreetGrade II
- 35 and 35a, High StreetGrade II
- 37, High StreetGrade II
- 38, Church LaneGrade II
- 4, Middle RowGrade II
- 40 and 42, High StreetGrade II
- 47, High StreetGrade II
- 49 and 51, High StreetGrade II
- 5, Middle RowGrade II
- 53-59, High StreetGrade II
- 6, High StreetGrade II
- 61 and 63, High StreetGrade II
- 62, High StreetGrade II
- 64, High StreetGrade II
- 66, High StreetGrade II
- 67 and 69, High StreetGrade II
- 68, High StreetGrade II
- 7 and 9, Middle RowGrade II
- 7, Baker StreetGrade II
- 7, High StreetGrade II
- 70 and 72, High StreetGrade II
- 72a, High StreetGrade II
- 79, High StreetGrade II
- 8, Bowling GreenGrade II
- 82, High StreetGrade II
- 84 and 84a, High StreetGrade II
- 86, 86a and 88, High StreetGrade II
- 9 and 11, High StreetGrade II
- 92 and 92a, High StreetGrade II
- 9a, Middle RowGrade II
- Alleyne's School (The Old Grammar School)Grade II
- AlmshousesGrade II
- Church of the Holy TrinityGrade II
- Cromwell HotelGrade II
- Marquis of Lorne Public HouseGrade II
- Old Malt house and Kiln at Alleyne's SchoolGrade II
- The Coach and Horses InnGrade II
- The Old CottageGrade II
- The Red Lion InnGrade II
- The Two Diamonds Public HouseGrade II
- The White Lion InnGrade II
- The Yorkshire Grey InnGrade II
- Triggs BarnGrade II
- War MemorialGrade II
- Watton CottageGrade II
Streets in the conservation area
Streets with listed buildings inside the boundary. Boundaries often split a street — check your exact address.
Nearby conservation areas
Boundary and listed buildings from Stevenage Borough Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.