Westminster Chapter House & Pyx Chamber: A Medieval Guide

Where monks debated and kings counted: two rooms, one story of power.

Chapter House

• Octagonal plan; tiered seating for communal decisions.
• Traces of medieval wall painting and tiled or Cosmati‑style floor patterns.

Pyx Chamber

• Thick‑walled undercroft for valuables and royal Pyx testing.
• Early Norman fabric survives—stone, vaults, and ironwork.

Visiting Tips

• Combine with cloisters for a full monastic circuit.
• Note the transition between Norman and Gothic details.

Bottom Line

Spaces that balanced prayer with administration.