The area around London’s Olympic Park is a regeneration hothouse with micro-breweries, tech startups, speakeasys and spas. Now their spiritual needs are being met – with a beautiful chapel on a barge.

A narrowboat moored to the towpath is offering passersby a “Shamanic ritual spa experience”. Its roof is decorated with an assortment of gongs, which are bonged occasionally by a man in a homemade cape. Across the water bobs a floating speakeasy cocktail bar that advertises a craft-beer-and-cheese-pairing cruise. Further along, diners are enjoying Szechuan aubergine with cashew cream in a Dutch barge that’s been converted into a restaurant. Beside it, a canoe hire company is running team-building paddleboarding expeditions...