Welwyn Hatfield Borough Council
Welwyn conservation area
Welwyn is a conservation area of about 15 hectares managed by Welwyn Hatfield Borough Council. It contains 52 listed buildings (1 Grade II* and 51 Grade II).
Welwyn boundary
Listed buildings inside Welwyn
52 listed buildings lie inside the boundary: 1 Grade II* and 51 Grade II. The highest graded are shown here, each linked to its official Historic England entry.
| Building | Grade |
|---|---|
| Guessens | II* |
| (Guessens) Milestone on Pavement Abutting Front Wall Near North End of Range | II |
| 10, High Street | II |
| 11a, High Street | II |
| 13 and 15, Mill Lane | II |
And 47 more listed buildings. Check an exact address above to see the ones near it.
Council documents for Welwyn
Published by Welwyn Hatfield Borough Council. Appraisals describe what makes the area special and what the council expects from changes.
What needs planning permission in Welwyn
Houses in Welwyn have fewer permitted development rights than houses elsewhere. Side extensions, roof extensions, cladding, two storey rear extensions and sheds beside the house need planning permission, and trees need 6 weeks notice before work.
See every rule, with the law it comes from