Your ownership of house does not affect in any way the taxation of HRA in your hand.
Since you will have only one residential house in your name which has not been rented out, the same is treated as self occupied property and therefore the income from same is NIL for Income Tax purposes.
The taxation of HRA is governrd as per Income Tax Rules and the minimum of following is exempted:
1. Actutal HRA received
2. 40% of Basic + DA
3. Actual rent paid - 10% of (Basic + DA)