Jane Street doubles London footprint

Jane Street is in talks to lease about 450,000 square feet at 10 Bishops Square in London, setting up a major expansion in the City. (bloomberg.com) Bloomberg reported on April 28 that the lease has not been signed and could still fall through, but the proposed space would be far larger than Jane Street’s current London office. (bloomberg.com) Jane Street now occupies about 235,000 square feet at 2½ Devonshire Square near Liverpool Street, according to Green Street and Bisnow. (greenstreetnews.com) (bisnow.com) The target building is being overhauled by JPMorgan Chase & Co.’s asset-management arm and has been marketed as One Spitalfields, with roughly 830,000 to 870,000 square feet after redevelopment. (bloomberg.com) (buildington.co.uk) (costar.com) That size matters because Jane Street is not adding a small satellite floor. A 450,000-square-foot commitment would amount to one of the biggest recent office bets by a trading firm in London. (bloomberg.com) (bisnow.com) The move also lands in a London market where landlords have been trying to attract large tenants to top-tier space near major transport hubs such as Liverpool Street. (bisnow.com) (businesstimes.com.sg) Property trade reports had flagged Jane Street’s search earlier. Green Street reported in March 2025 that the firm was seeking to upsize from Devonshire Square, and CoStar said it was looking for more than 400,000 square feet. (greenstreetnews.com) (costar.com) Jane Street’s own site says its regulated European business runs through Jane Street Financial Limited in the United Kingdom, underscoring London’s role inside the firm’s global structure. (janestreet.com) If the Bishops Square lease closes, Jane Street would trade one large London base for a much larger one a short walk away from its current office. (bloomberg.com) (bisnow.com)