Grade I listed · Maidstone

Ruins of Barbicans and Dam at Leeds Castle

Ruins of Barbicans and Dam at Leeds Castle is a Grade I listed building in Maidstone, first listed on 18 December 1985. It is one of 42 Grade I entries among 2,018 listed buildings in Maidstone; 60% of Maidstone’s current entries were listed before it.

List entry
FieldValue
NameRuins of Barbicans and Dam at Leeds Castle
GradeGrade I — exceptional interest
List entry number1060933
Date first listed18 December 1985
Local planning authorityMaidstone
Location51.24837, 0.62852 (map)
Official recordHistoric England list entry 1060933

Planning works on this listed building?

Planium checks which consents Maidstone will require for your works on Ruins of Barbicans and Dam at Leeds Castle, 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 Ruins of Barbicans and Dam at Leeds Castle

Frequently asked questions

Is Ruins of Barbicans and Dam at Leeds Castle listed?
Yes. Ruins of Barbicans and Dam at Leeds Castle is on the National Heritage List for England as a Grade I listed building, list entry number 1060933, first listed on 18 December 1985. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to Ruins of Barbicans and Dam at Leeds Castle?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Maidstone, 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.