We ended up eating breakfast in the Stour Space on Fish Island just south of Hackney Wick.   In 1865, the area was bought by the Gas Light and Coke Company to establish a gasworks, but instead it became an area of warehouses and light industry, its roads named after freshwater fish and its major employer a peanut company.  Stour Space consists of artists’ studios and a café on the River Lea, where one can watch people sculling:-

I walked back along the canal:-