These photos demonstrate the phenomenal transformation that has occurred at a former Victorian pumping station in Hackney.
The Grade II listed building is now an indoor climbing centre that is winning awards for its sustainability.
More top news
Shoppers evacuated from Topshop in central London after a 'fire breaks out' in the basement
Police are appealing to find an absconder from a mental health unit in Haringey
Transport officials meet with Google in a bid to bring driverless cars to the streets London