Plan the operation. You don't want to roll into the new office on the first morning to a sea of boxes, saying: 'Right, where will all this stuff go?'
Brief the troops. Tell your team why and when you're moving, and exactly what they have to do. Then you won't have the nasty surprise that your ergonomic chair didn't get a 'move me' sticker and never arrived.
Have a clearout. Don't waste effort transporting stuff you don't need. Be ruthless, and think kit as much as paper and files. Could this be the time to invest in those flat-screen monitors?
Tell people. Send out fliers and e-mail alerts letting clients know your new details. If you're changing numbers, make sure they can still reach you on the old one for a time, and get your new stationery printed before you go.
Make it cosy. Take the opportunity to do those little things you never got round to before - get plants and hang pictures. The idea of feng shui may make you scoff, but the place has to be comfortable.
Give yourself time. Moves take longer than you think. Plan it for a period that suits your work schedule, and make sure everyone's around to help out. Then cheekily book your holiday ...