The citadines prestige trafalgar square is positioned just a few steps away from nelsons column in trafalgar square it is a short walk from the houses of parliament big ben and westminster abbey you are also close to buckingham palace st jamess park and the national portrait gallery which houses one of the greatest european art collections in the world the citadines prestige trafalgar square offers 187 air conditioned apartments in over 9 floors including 126 studios for 1 or 2 guests 4