Photocard Driving Licence
...or...
Bank/Building Society statement
...or...
Utility bill

along with:

Paper Driving Licence
...or...
Credit/Debit card with
  photograph
...or...
Travel Pass with photograph
...or...
Foreign national identity card

V5 registration document

V750 certificate of entitlement

V778 retention document

V11 vehicle licence renewal

Authorisation slip issued by
  DVLA

Vehicle export certificate

V379 vehicle registration
  certificate

Letter of authority from fleet
  operators

Copy of schedule of vehicles
  from hire/leasing company