The viewing platforms on the Shard will be open to the public from the 1st of February 2013.
Although visitors can't go right to the top of the 310m building, they can reach the 72nd floor, which stands at 244m.
More top news
Cloud thickens throughout the evening ahead of some light overnight rain. Milder temperatures than last night.
Ed Miliband is expected to reveal more details of a levy on homes worth more than £2m in his speech to the Labour conference today.
Homes around London are being invaded by spiders with rising temperatures helping the creepy crawlies grow bigger than usual.