Transport for London (TfL) has announced the appointment of London Overground Rail Operations Ltd (LOROL), the London Overground train operator, to run additional services out of Liverpool Street Station to north east London.

LOROL will operate the services between Liverpool Street and Enfield Town, Cheshunt (via Seven Sisters) and Chingford as well as those on the Romford to Upminster line for 17 months starting on 31 May next year.

The services are currently managed under the Greater Anglia Franchise and TfL says standards will rise for passengers as a result of the changes.

An established bidding process will then be held before the London Overgound Concession is re-let.

Staff will be present at all London Overground-managed stations while trains are running. This will improve station security, safety and accessibility.

The director of London Rail, Jonathan Fox, who leads TfL's mainline rail business said: "LOROL has a proven record on delivery and I'm pleased that this will now extend to West Anglia."