According to the Guardian:
With the current contract due to expire in February 2017, Stagecoach had been in talks with the government over a direct award to operate the service at least until April 2019. Last month, Stagecoach said progress on talks had been disappointingly slow and that there was no certainty a deal would be reached.Might relief - or at least loos and aircon - be in sight for Earlsfield commuters? Conservative spokesman for Tooting, Dan Watkins confirmed that investment for longer trains and other improvements has been protected.
Thanks to Dan for the tip.