The 33 acre Barking Rail Freight Terminal has been sold for £53.7m.
The site, operated by DB Schenker, is directly connected to the High Speed 1 rail line to the European mainland.
Legal & General Property bought the site from AXA Real Estate, on behalf of clients, and its JV partner dmi Properties.
DB Schenker's lease runs for a term of 20 years from July 2014.
The property represents the fourth rail terminal acquired by Legal & General Property, with other assets comprising terminals in Widnes, Castle Bromwich and Corby.
JLL acted for AXA Real Estate, WHY and Rubicon Securities acted on behalf of L&G on this transaction.