I saw this train yesterday and I think it was a Voyager:
www.realtimetrains.co.uk
I assume this is a transfer between Central Rivers TMD and Ilford depot.
Probably answered by own question, but is Ilford where Bombardier is doing the class 220 refurb?
www.railadvent.co.uk
Or was it on its way down there for some other reason?
Realtime Trains - FRGT 2207 Barton Under Needwood Rsmd to Ilford E.M.U.D.
Realtime Trains provides live realtime running information for the Great British railway network using open data.

I assume this is a transfer between Central Rivers TMD and Ilford depot.
Probably answered by own question, but is Ilford where Bombardier is doing the class 220 refurb?

Avanti West Coast sign £8.3m contract with Bombardier to overhaul Voyager trains
Avanti West Coast has confirmed to RailAdvent that its Voyager fleet of trains is to benefit from an upgrade, with the first set to be completed later in July.

Or was it on its way down there for some other reason?