Listed Building FactsEvidence report · prepared 18 October 2026https://listedbuildingfacts.com/entity/1348122
Official heritage place evidence
WELWYN RAILWAY VIADUCT
Source fields are shown as published in the approved projection. Unknown and unavailable values are not inferred. Projection generated 3 Sept 2026, 22:27.
Published location
Where is WELWYN RAILWAY VIADUCT?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
51.818436, -0.194766
Open the interactive map ↗Map data © OpenStreetMap contributors
Id
1348122
Name
WELWYN RAILWAY VIADUCT
Grade
II*
Designation Date
1980-11-04
Designation Status
Current in source snapshot
Snapshot Date
2026-08-22
Official Url
Point
POINT (-0.194766 51.818436)
Longitude
-0.194766
Latitude
51.818436
Source
Planning Data listed-building dataset