Grade I listed · St. Helens

Sankey Viaduct Over Sankey Brook

Sankey Viaduct Over Sankey Brook is a Grade I listed building in St. Helens, first listed on 3 February 1966. It is one of 1 Grade I entries among 149 listed buildings in St. Helens; 9% of St. Helens’s current entries were listed before it.

List entry
FieldValue
NameSankey Viaduct Over Sankey Brook
GradeGrade I — exceptional interest
List entry number1075927
Date first listed3 February 1966
Local planning authoritySt. Helens
Location53.44744, -2.65077 (map)
Official recordHistoric England list entry 1075927

Planning works on this listed building?

Planium checks which consents St. Helens will require for your works on Sankey Viaduct Over Sankey Brook, lists what the heritage statement must cover and drafts the application text.

What the grade means for works

Grade I buildings are of exceptional interest — only about 2.5% of listed buildings in England. Any application for listed building consent is notified to Historic England, and alterations are scrutinised closely.

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 Sankey Viaduct Over Sankey Brook

Frequently asked questions

Is Sankey Viaduct Over Sankey Brook listed?
Yes. Sankey Viaduct Over Sankey Brook is on the National Heritage List for England as a Grade I listed building, list entry number 1075927, first listed on 3 February 1966. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Sankey Viaduct Over Sankey Brook?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from St. Helens, 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.