ArcelorMittal Orbit - The ArcelorMittal Orbit is a viewing tower that overlooks the old Olympic Stadium, but it also has a twisting tube slide around the outside3
Battersea Power Station’s chimney - Ride an express lift 109 metres up one of the iconic white chimneys for a panoramic view of London’s skyline
Big Ben’s belfry - A guided tour that takes you up to the top of the belfry where you can stand behind the clock faces and next to Big Ben’s bell as it strikes the hour13
Cable Car across the Thames - The cable car between The O2 and ExCel Centre gives you a great view of London as it carries you across the Thames16
Greenwich Hill - The view from the top of Greenwich Hill takes in the entire span of London from the City skyscrapers in the west all the way round to the O2 Arena7
London Eye - The London Eye is one of the most popular family days out. The queues can be long but it’s worth the wait for the fantastic views at the top11
The Monument - The Monument to the Great Fire of London in 1666 has a balcony at the top which gives you some decent views of the offices in the Square Mile5
The O2’s roof walkway - Climb to the top of the O2 Arena’s big tent roof and enjoy a spectacular 360-degree view of the London skyline from the viewing platform
One New Change - One New Change is a shopping centre close to St. Paul’s Cathedral which offers some great views from their open-air rooftop terrace5
Parliament Hill - See London’s skyline from the summit of Parliament Hill taking in the City, St. Paul’s, London Eye and Canary Wharf’s skyscrapers4
Primrose Hill - Primrose Hill is a lot higher than it looks from the ground and has one of the finest views of the London skyline from anywhere in the city3
St. Paul’s Whispering Gallery - St. Paul’s has three levels you can climb: the Whispering Gallery, Stone Gallery and Golden Gallery on top of the dome12
The Shard - If your children are okay with heights then take them to the top of The Shard where they can see the whole of London laid out before them7
Sky Garden - Their viewing deck is lower than The Shard’s, but the Sky Garden’s also has a tropical rainforest in it – thirty-five floors above London9
Tower Bridge - Every tourist takes a photo of Tower Bridge. It looks gothic but it was built by the Victorians. The drawbridge opens up a couple of times a day4
Wellington Arch - The balcony at the top of Wellington Arch has a view of Constitution Hill, Apsley House and part of the gardens at Buckingham Palace1
Westminster Cathedral bell tower - The most important Roman Catholic church in England has a bell tower with an observation platform at the top6