Grade II* listed · Isles of Scilly

The Day Mark

The Day Mark is a Grade II* listed building in Isles of Scilly, first listed on 6 April 1959. It is one of 8 Grade II* entries among 129 listed buildings in Isles of Scilly; 0% of Isles of Scilly’s current entries were listed before it.

List entry
FieldValue
NameThe Day Mark
GradeGrade II* — particularly important, more than special interest
List entry number1141204
Date first listed6 April 1959
Local planning authorityIsles of Scilly
Location49.96647, -6.26614 (map)
Official recordHistoric England list entry 1141204

Planning works on this listed building?

Planium checks which consents Isles of Scilly will require for your works on The Day Mark, lists what the heritage statement must cover and drafts the application text.

What the grade means for works

Grade II* buildings are particularly important buildings of more than special interest — about 5.8% of listed buildings. Applications for listed building consent are notified to Historic England.

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 The Day Mark

Frequently asked questions

Is The Day Mark listed?
Yes. The Day Mark is on the National Heritage List for England as a Grade II* listed building, list entry number 1141204, first listed on 6 April 1959. The full list entry with its description and map is on Historic England’s website.
Do I need consent for works to The Day Mark?
Works that affect its character as a building of special architectural or historic interest — inside or out — need listed building consent from Isles of Scilly, 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.