Grade II listed · Telford and Wrekin

Wall of Slag Blocks

Wall of Slag Blocks is a Grade II listed building in Telford and Wrekin, first listed on 8 April 1983. It is one of 725 Grade II entries among 790 listed buildings in Telford and Wrekin; 42% of Telford and Wrekin’s current entries were listed before it.

List entry
Field	Value
Name	Wall of Slag Blocks
Grade	Grade II — special interest
List entry number	1207703
Date first listed	8 April 1983
Local planning authority	Telford and Wrekin
Location	52.62643, -2.47112 (map)
Official record	Historic England list entry 1207703

Planning works on this listed building?

Planium checks which consents Telford and Wrekin will require for your works on Wall of Slag Blocks, lists what the heritage statement must cover and drafts the application text.

Ask Planium what consent you need

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 Wall of Slag Blocks

Name	Grade	Distance
The Chapel on the Rock	II	330 m
Railway Level Crossing Gates North North West of Calcutts House	II	338 m
The Golden Ball Public House	II	358 m
54, New Bridge Road	II	359 m
Sycamores	II	368 m
Calcutts House	II	386 m
The Bedlam Furnace	II*	392 m
Madley Wood Methodist School Former Chapel	II	406 m
Wesleyan Infant School	II	407 m
Former George and Dragon Inn	II	431 m

Frequently asked questions

Is Wall of Slag Blocks listed?

Yes. Wall of Slag Blocks is on the National Heritage List for England as a Grade II listed building, list entry number 1207703, first listed on 8 April 1983. The full list entry with its description and map is on Historic England’s website.

Do I need consent for works to Wall of Slag Blocks?

Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Telford and Wrekin, 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.