Hey William. I also train here in South Africa!!! Nice to see a fellow South African aikidoka!
Where about do you train?
I moved from a very large dojo to a very small one early in my aikido career. It is a very different feeling at first, but I found that I soo got used to it.
I found that my ukemi got much better as a result of moving dojos - you have to adapt sometimes, to roll in the smaller space.