Swift kon tiki spares

hi, can anybody help, I have recently purchased a 2005 Swift Kontiki 660, 4 berth motorhome, unfortunately the previous owner has hacked at the cupboard above the bed to fit a sky tv box and I am trying to find replacement parts, does anybody have any ideas where I could get such items, I have tried to attached a photo to help identify the parts required but having no luck, however I am after a cupboard door, 2 fixed panels and 1 side panel.