The Pinnacle is a 288 m skyscraper under construction in the heart of the financial district in the City of London. It was planned to become the second tallest building in both the United Kingdom and the European Union.

The builidng will contain more solar panelling than any other building in the country. It will have a double-layered skin which will allow it to respond dynamically to climatic changes and to utilize effective climate control with low energy consumption.