I DID IT! SCARY! (I'm in the pale blue top).

The Lord Mayor's Appeal is supporting 3 inspirational charities - Place2Be, OnSide Youth Zone and the Samaritans - to deliver ground breaking programmes and find solutions to some of London's most pressing societal issues.

I suffer from vertigo, so this really will be a challenge: 33 floors, 156 metres, 512 feet: all seem much too high!

Donating through JustGiving is simple, fast and totally secure. Your details are safe with JustGiving - they'll never sell them on or send unwanted emails. Once you donate, they'll send your money directly to the charity. So it's the most efficient way to donate - saving time and cutting costs for the charity.