We moved a lot when my kids were young, I alway found thats when my mum really came in handy, she would take them for the day and I was free to get their rooms  sorted. When we moved to far away from my mum I hired a babysitter to look after the baby on the day of the move. As I was breast feeding she could bring me bubs when it was fed times (which gave me a chance to sit and relax for a few precious minutes) then I could get back into unpacking and bubs was in good hands with the sitter.  My priority was bubs was happy and safe, but I really needed to get things done

 We moved when our son was 4 months.  I made sure his was the last room the movers packed up.  Then, since I was stressed and irritated (someone else packing my things), I sent him to grandma's overnight--he never saw the house being packed up, got to play with his aunt and be in a relatively unstressed environment.  I made sure that when he came to the new house his room was completely set up--down to unwashed still-smell-like-him sheets.

Granted, two months is a big difference for little ones, but that's what we did. :)

You might think that he doesn't know what's happening or that he doesn't understand you but he does.  Talk to him about what's happening.  Show him his new room, tell him where his bed is going to go.  You don't want him waking in the night being scared of where he is.  Most important tell him and SHOW him that it's a good thing.  Children will always pick up your vibes so if you are unsure about the move, he will be too.  Make sure it's a happy experience.

routine.....routine....routine!  

I have three kids and have moved three times and each time it was when they were quite little and all I can say is try to stay in your normal routine as much as possible.( I know this can sometimes be hard but is definately the way to go) If you normally play then bath then feed then bed at nights make sure you continue it, and use the same bedding... most babies are happy to go to sleep pretty much anywhere as long as mum or dad are there and they stay in routine.

Also try not to fret or stress out too much as babies have an extremely high emotional tie to us and he will pick up on it and that will make him more uncomfortable/uneasy.

Good luck hope all goes well