You might want to try a moses basket to start with. Some babies can stay in those for several months and they are much smaller than cots. We did have a changing table but honestly, I ended up doing most of the changes on the floor, sofa, bed, etc. The table ended up being used primarily for storage!
Even though we're in a large house in the US now, I still keep stacks of diapers, wipes, and even PJs on a shelf in our living room. Just makes life easier.