About the ST MICHAEL'S MOUNT Conservation Area
The ST MICHAEL'S MOUNT Conservation Area covers about 9.9 hectares and was designated by Cornwall Council in 1983. Inside the boundary are 32 listed buildings (2 Grade I, 6 Grade II*, 24 Grade II). The most significant is St Michael's Mount, 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 ST MICHAEL'S MOUNT 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.
- St Michael's MountGrade I
- The Church of Saint MichaelGrade I
- Cross Near South East Corner of St Michael's MountGrade II*
- Gun Battery North-North West of St Michael's Mount Qv.Grade II*
- Gun Battery West of St Michael's Mount Qv.Grade II*
- The French Gun Battery (north West Corner)Grade II*
- The Harbour Walls and BollardsGrade II*
- The Sentry BoxGrade II*
- Arthur Headstone at Approximately 35 Metres South of Lych GateGrade II
- Chest Tomb at Approximately 15 Metres South of Lych GateGrade II
- Cottages Adjoining West of St Aubyn ArmsGrade II
- Cross North East of St Michael's MountGrade II
- Cross Shaft West of St Michael's MountGrade II
- Elizabeth TerraceGrade II
- Gateway to St Michael's MountGrade II
- Howard Headstone at Approximately 6 Metres South of Lych GateGrade II
- Lodge Adjoining Gateway to St Michael's MountGrade II
- Mariners Chest Tomb at Approximately 15 Metres South of Lych GateGrade II
- Mathews Chest Tomb at Approximately 45 Metres South of Lych GateGrade II
- Pinnacle on ShaftGrade II
- St Aubyn Arms (east Wing)Grade II
- St Aubyn Arms (west Wing)Grade II
- The Barge HouseGrade II
- The cemetery lych gate and adjoining cemetery wallsGrade II
Show all 32 listed buildings ↓All 32 listed buildings
- The Change House and Adjoining WallsGrade II
- The DairyGrade II
- The Engine House of the RailwayGrade II
- The Island CafeGrade II
- The Island ShopGrade II
- The National Trust Shop and RestaurantGrade II
- The Steward's House Including Walls in FrontGrade II
- Well Beside Path Leading to St Michael's MountGrade II
Nearby conservation areas
Boundary and listed buildings from Cornwall Council and Historic England via planning.data.gov.uk (OGL). Guidance only — not an official council check.