In fact in a different lesson we added furniture in all the rooms as you can see in map 2.
The students then exercises to say what there is in their houses using the structures "there is", "there are", "there isn't", "there aren't", "is there", "are there?"
In my bedroom there is a bed, a desk, a computer. There are some books, two wardrobes, some CDs and some toys.
Affirmative from Negative form Interrogative form
SING. There is a ... There isn't a ... Is there a ...?
PLUR. There are ... There aren't .... Are there ...?
Here you find some more exercises to improve your knowledge about the house and "there is - there are".