The verb "hay" means there is/are in Spanish (Pronounced like "eye"). You can use this verb to express what there is/are in your house. This website provides you with examples of how to use the verb. Practice talking about what rooms there is/are in your house and what there is/are in those rooms.
Watch this Edpuzzle to listen to Juan and Pamela talk about Pamela's apartment. Think about what there is/are in the apartment and how you could express that in Spanish.