The Historic Dockyard Quarter

Henry VII Establishes the Royal Dockyard

1495

In 1495, King Henry VII ordered the construction of what is believed to be the world's first dry dock at Portsmouth, marking the formal establishment of the Royal Dockyard that would define Portsea for more than five centuries. The dock was built to service the king's growing fleet, reflecting a new strategic emphasis on naval power as England sought to protect its trade routes and assert itself in European affairs. The choice of Portsmouth was determined by its superb natural harbour, sheltered by Portsea Island and the curve of the coastline, offering deep water and protection from Channel storms. The initial dockyard was modest in scale, but it laid the foundation for what would become the most important naval shipbuilding and repair facility in the world. The dry dock itself was a remarkable feat of engineering for its time, allowing ships to be hauled out of the water for maintenance and repair of their hulls. Henry VII's investment at Portsmouth was part of a broader programme of naval expansion that included the construction of warships such as the Regent and the Sovereign. The dockyard would grow steadily over the following centuries, expanding to meet the demands of each new conflict and each new generation of warship technology.

Next: Completion of the First Dry Dock