Westminster Hall and the scale of medieval power
Westminster Hall is the great survivor. Begun in 1097 and completed in 1099, it measures about 73 by 20 m (240 by 67 ft) and covers roughly 1,547 m² (about 17,000 ft²). Stand under the vast hammer-beam roof for a minute before the tour gathers pace; it is the rare London room where medieval monarchy, state trials, and modern ceremonial life still feel physically present.
Central Lobby and the language of Parliament
Central Lobby is where the building begins to explain everyday politics. The space links the main ceremonial route with the working chambers, and its name still echoes in the word lobbying. If you like political history, this is the moment to ask your guide how movement, access, and power are built into the plan of the Palace.
Commons green and Lords red
The color shift is the easiest detail to remember: green for the House of Commons, red for the House of Lords. It sounds simple, but inside the chambers it becomes a quick visual lesson in how the two Houses see themselves. First-time visitors should listen for the small customs; they make the formal rooms feel less distant.
The exterior after the tour
Leave time for the outside. From Parliament Square, Elizabeth Tower gives the palace its most photographed silhouette; from Westminster Bridge, the river pulls the full Gothic Revival frontage into view. The best rhythm is inside first, then the photo walk, so the facade has stories attached to it.