Courtyards might be small, but this one is still packed with vibrant colour.
Make sure everything is usable and suits the space; for example, lighting ensures you can see what you are doing after dark, and fires make the garden more inviting during winter.
Include plenty of containers so you can ring the changes and grow plants that might not thrive in the ground.
If you have to bring large plants, furniture and hard landscaping materials through the house, measure all of the doorways to check you can get everything through.