This site is always crowded with visitors/tourist. I would recommend to combine a visit to the National Art Gallery just off the main square.
Nelson Column at the centre of Trafalgar Square.
Trafalgar Square during sunset. The fountain was glowing blue.
Sunset at Trafalgar Square.
National Art Gallery.
London iconic red bus around Trafalgar Square.
Wow, Tourism Malaysia office just opposite Trafalgar Square. Hope that you have done a good job by promoting Malaysia in London.
GPS/Coordinate: 51.507959, -0.128112
Address: Trafalgar Square, Westminster, London WC2N 5DN, United Kingdom
Public Transport: Charing Cross station on London tube.