Langholm Castle

One tall wall and buried remains preserve an Armstrong tower house whose defensive position once controlled the river meeting at Langholm.

Quick facts

Date
Early 16th century; largely demolished 1725
Architect / designer
Built for the Armstrong family
Type
Fragmentary tower house and associated buried archaeology
Designation
Scheduled monument (SM7774)
OS grid reference
NY 36179 84940

Architecture, archaeology and continuing use

Part of the south gable stands about six metres high with a gun port and window opening, joined by short returns of the side walls. Rubble from demolition forms the apparent mound, while scarps and hollows indicate associated buildings beneath the turf.

Its story

The Armstrongs built the tower house in the early sixteenth century during a period of frequent Border conflict. Most masonry was removed in 1725, but the surviving wall and protected ground retain evidence for the tower and its ancillary structures.

Why it is included

The scheduled monument connects the later burgh to Border lordship, defensive architecture and archaeological deposits that cannot be represented by the surviving wall alone.

What to notice

  • Gun port in the surviving gable.
  • Short wall returns defining the former tower plan.
  • Subtle earthworks around the ruined core.

Reading the surroundings

Use only lawful paths and observe any local signs. Scheduling creates no public right of entry; do not climb masonry, cross fences, dig, metal-detect or disturb the ground.

Timeline

  1. Early 16th century The Armstrong family established the tower house.
  2. 1725 Demolition removed most of the standing castle.
  3. 5 October 1998 The surviving structure and associated archaeology entered the Schedule.

What we know — and what remains uncertain

The protected area contains probable ancillary features, but their exact plans and dates remain archaeological questions.

Sources & further reading

Location

reviewed Scotland’s Architecture record small badge = designation

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Place: Langholm · Current use: Protected archaeological ruin within open landscape; no additional access right created by scheduling (checked 2026-08-26)

Last reviewed: 2026-08-26 · Record: SHD-REC-LAN-CASTLE

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