St Andrews Castle

St Andrews Castle ruins on their coastal headland, showing the principal tower, curtain walls and sea beyond

Image: St Andrews Castle ruins on their coastal headland, showing the principal tower, curtain walls and sea beyond by Tom Parnell, licensed under CC BY-SA 4.0.

A coastal bishops’ castle whose ruins record medieval lordship, Renaissance adaptation, Reformation conflict and an extraordinary underground siege.

Quick facts

Date
Episcopal castle established about 1200; major surviving work from about 1400; altered repeatedly through the 16th century
Architect / designer
Multiple medieval patrons and builders; principal phases associated with Bishops Roger, Walter Traill, James Beaton and John Hamilton
Type
Medieval episcopal castle, siege works, mine and countermine
Designation
Scheduled monument (SM90259)
OS grid reference
NO 51260 16935

A fortress, palace and siege landscape

The castle is arranged around a roughly pentagonal courtyard above the sea. Towers, defensive walls, domestic ranges and the bottle dungeon show its changing roles, while the mine and countermine preserve the physical trace of the 1546–1547 siege.

Its story

An episcopal castle was established around 1200. Bishop Walter Traill created much of the surviving courtyard form around 1400, and later bishops added artillery defences and more comfortable accommodation. After Cardinal David Beaton was killed in 1546, defenders and besiegers cut opposing tunnels through the rock before French forces ended the siege in 1547.

Why it is included

It extends the St Andrews sample from religious and civic buildings into fortified residence, political violence, archaeology and conservation.

What to notice

  • The relationship between the courtyard plan, surviving towers and the cliff edge.
  • The contrast between defensive works and traces of episcopal domestic life.
  • Where open, the mine and countermine that make the 16th-century siege physically legible.

Reading the surroundings

The castle occupies a dramatic coastal position near The Scores and the cathedral precinct. The cliff, harbour approaches and medieval town all contributed to its strategic importance.

Timeline

  1. About 1200 An episcopal castle was established on the site.
  2. About 1400 Bishop Walter Traill created the principal surviving courtyard castle.
  3. 1546–1547 A major siege followed the killing of Cardinal David Beaton, leaving the mine and countermine.
  4. 1550s The entrance and domestic accommodation were rebuilt under Archbishop John Hamilton.

What we know — and what remains uncertain

The map point is a catalogue marker, not the statutory boundary. Current closures affect the mine, countermine and Bishop’s Apartments, so access must be checked before travel and must not be inferred from the historic description.

Sources & further reading

Location

reviewed Scotland’s Architecture record small badge = designation

OS grid reference NO 51260 16935 · Location confidence: High for the Trove catalogue point, but the legal scheduled area is larger than the marker. · Select the marker to open its satellite view in Google Maps. On desktop, drag Pegman (the yellow figure) onto a blue road. On mobile, turn on the Street View layer and tap a blue road. Other photo markers may be user-contributed.

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Place: St Andrews · Current use: Historic Environment Scotland visitor site and property in care; some interiors and siege tunnels are temporarily closed (checked 2026-08-21)

Last reviewed: 2026-08-21 · Record: SHD-REC-STA-CASTLE

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