Grade II listed · Welwyn Hatfield

South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station

South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station is a Grade II listed building in Welwyn Hatfield, first listed on 4 October 2000. It is one of 398 Grade II entries among 429 listed buildings in Welwyn Hatfield; 97% of Welwyn Hatfield’s current entries were listed before it.

List entry
FieldValue
NameSouth Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station
GradeGrade II — special interest
List entry number1385392
Date first listed4 October 2000
Local planning authorityWelwyn Hatfield
Location51.82605, -0.19094 (map)
Official recordHistoric England list entry 1385392

Planning works on this listed building?

Planium checks which consents Welwyn Hatfield will require for your works on South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station, lists what the heritage statement must cover and drafts the application text.

What the grade means for works

Grade II buildings are of special interest and make up over 90% of listed buildings in England. Most alterations, extensions and many internal changes still need listed building consent from the council.

The protection covers the whole building, inside and out, plus fixtures and attached structures. Typical works that need consent: replacing windows or doors, removing walls or historic fabric, changing roof coverings, installing solar panels or external insulation, and adding extensions.

Listed buildings near South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station

Frequently asked questions

Is South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station listed?
Yes. South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station is on the National Heritage List for England as a Grade II listed building, list entry number 1385392, first listed on 4 October 2000. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to South Portal of Welwyn Tunnel 300 Metres North of Welwyn North Station?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Welwyn Hatfield, in addition to any planning permission or building regulations approval. Like-for-like repairs often do not, but confirm with the council’s conservation officer before you start.
Source: National Heritage List for England, © Historic England 2026, via planning.data.gov.uk. Contains Ordnance Survey data © Crown copyright and database right. Licensed under the Open Government Licence v3.0. Retrieved 12 October 2026. Local authority assigned from the list entry point. This page is a summary — the legal record is the official list entry.