Does the Perth Zoo have rooms to hire to the public for community events?

Yes they do. I've been involved with many events there, and there are some creative spots as well conference rooms. The elephant area for one. I once did a black-tie event near the penguin plunge for clients. We had a quartet, catering and drinks for about 2 hours. I got great feedback and everyone enjoyed the unique event within such a beautiful environment. I'm not sure if they still offer this, but I'm sure they will have something unique and fun on the menu ...