The BT Tower (previously known as the London Telecom Tower) is a telecommunications tower, which also used to host viewing galleries and a rotating restaurant.
Take a look at London's best panoramic views.
BT Tower restaurant
Alternatively, enjoy a drink at one of London's rooftop bars.
When to visit the BT Tower
Once a year, the BT Tower opens to the public as part of Open House. The event takes place in September and due to high demand, you need to enter a ballot for tickets.