Adult door

 
Another view. This shows the adult-sized door. All playhouse should have two doors. One that opens in another that opens out. That way a child can neither be trapped nor prevent a parent from entering. For a parent to enter it is nice that there is a door one can use without stooping. It is no fun to “come for tea” if you have to crawl into the playhouse.

The other reason for an adult door is that the little house can be used once the child has grown (they do become adults eventually). Perhaps it is not the child who will use it but it might become a potting shed, a mini-office or just a place for a teen to study and/or read in peace.