Angelo Balanta, Michael Harriman, Aaron Lennox and Taylor Parmenter have all been offered new contracts by the west Londoners.
There is also a new deal on the table for Bruno Andrade, who has been offered a one-year extension to his existing agreement.
Hoops goalkeeper Elvijs Putnins, who was on the bench for a handful of Barclays Premier League games this season, has had his contract cancelled by mutual consent, while young professional Luke Olley will not be offered a new deal.
Source: PA
Source: PA