High Quality Content by WIKIPEDIA articles! The Pinnacle, also known as The Bishopsgate Tower and The Helter-Skelter, is a 288 m (945 ft), 63-storey skyscraper under construction in the centre of London`s main financial district, the City of London. It is one of four major towers under construction in London, others being Shard London Bridge, 122 Leadenhall Street and the 20 Fenchurch Street redevelopment. On completion, it will become the tallest building in the City of London and the second tallest building in both the United Kingdom and the European Union, after the 310 m (1,020 ft) Shard London Bridge.