Lloyd Scott has completed his charity climb up the Gherkin in a deep diving suit in a total time of 2 hours and 53 minutes.
He climbed 38 floors and a total of 1,037 steps in the 10 stone suit - and told ITV London how he felt at the top.
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The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.
The average temperature for this time of year in London is 16C, the weekend will be seven degrees above average.
Nearly 50 people were forced from their homes as London Fire Brigade cordoned off the area around Brickfield Cottages, in Plumstead.