Why is there sand on the roads for the coronation? Amid all the old-fashioned robes and Stone of Destiny and other largely impractical touches, the reason for the sand on the streets is actually very pragmatic and logical. The sand is there to help the movement of the horses and carriages. Video Player is loading.

In 2026, the presence of sand in the Palace of Westminster is a key feature of the ongoing "Restoration and Renewal" project. Recent archaeological excavations beneath the Houses of Parliament have uncovered undisturbed sand deposits from the ancient Thorney Island—the gravelly eyot upon which the Abbey and Palace were originally built. These deep sand layers have yielded rare Mesolithic and Neolithic flint tools dating back over 6,000 years, offering a glimpse into prehistoric life in central London. In certain areas, sand is also used during maintenance or reconstruction of the historic floors to act as a leveling agent or a protective buffer for delicate medieval tiles. For a visitor, seeing sand is often a sign of active heritage preservation, highlighting the site's transformation from a marshy island in the Thames to the modern seat of government.