Watney Market
Watney Market is an outdoor street market in London, England. The market is situated on the pedestrianised northern portion of Watney Street, which connects Commercial Road and Shadwell DLR station. Located between Whitechapel and Shadwell, the market operates Monday to Saturday, 8.30am to 6pm, with vendors selling a variety of goods. Alongside market stalls, a number of permanent stores also operate in the area.

Watney Market is an outdoor street market in London, England. The market is situated on the pedestrianised northern portion of Watney Street, which connects Commercial Road and Shadwell DLR station. Located between Whitechapel and Shadwell, the market operates Monday to Saturday, 8.30am to 6pm, with vendors selling a variety of goods. Alongside market stalls, a number of permanent stores also operate in the area.
Check the official site before travelling; hours and prices can change.
More markets

Borough Market
London's defining food market — go early Saturday, eat your way around the perimeter.

Columbia Road Flower Market
Sunday-only flower market in the East End — 8 a.m. for choice, 2 p.m. for prices.

Maltby Street Market
Borough's smaller, scruffier sibling — railway arches, weekend only.
Source: wiki-list