Gecko's Amit Lahav: 'Adversity can be a chance to lift yourself to somewhere remarkable'

After losing its show’s set to a fire at Battersea Arts Centre in 2015, Gecko is more prepared for disaster than most theatre companies. Artistic director Amit Lahav tells Fergus Morgan about surviving setbacks, the company’s latest project – a feature film on the BBC – and redeveloping an old factory on the waterfront