I've never got as far as moving house in Glitch yet, but as I understand it, you have to remember to collect your stuff before you leave your old house, otherwise it gets sold along with the house. Just like in real life, this is probably more stuff than people can carry.
We should be able to hire a removals wagon (from Glitchfords or somebody), that can be used solely for the purpose of moving house. There would be different sizes available, depending on how much stuff we had to move. It would arrive at our old house, and we would load all our stuff into it and then lead it through the world to our new house, where we would then unpack. The more affluent players could also hire a team of gnomes to do the packing and unpacking for them.