Today, the Palace of Westminster covers eight acres (3.24 hectares). It contains around 1100 rooms, 100 staircases and 4.8 km of passageways. From the Victoria Tower at the south end to the Clock Tower at the north, the building is nearly 300 metres long. The Palace also contains state apartments for the presiding officers of the two houses.
The official residence of the Speaker stands at northern end of the building. There are four acres of gardens and green lawns surrounding the Palace. Victoria Tower gardens is open as a public park along the side of the river south of the Palace. College green, opposite the House of Lords, is a small triangular green commonly used for television interviews