Inner West Tree Pruning
They will also give you a permit so that you can remove the tree. You will also need to check the local laws and regulations so that you know what you can and can't do.
After the tree has been removed, you will need to clear the land around it. It will be a good idea to dig a trench around the tree trunk to prevent the tree roots from growing back. After you have cleared the land, you can plant something else there.
This means that they will do the right work and they will make sure that everything is completed to your satisfaction.