The paper is focused on a contractual scheme where an immediate life annuity is obtained by paying a single premium in the form of real estate rights (RERs). Such contract is framed within the varied macrocosm of personal pension products, that proves to be an increasingly attractive and scientifically stimulating tool in the economic and social context in which we currently find ourselves. The basic structure requires the lender to pay the borrower/homeowner a life annuity against a part or the totality of the future liquidation value of his home at the time of his death. In this work we will explore some characteristics of the product, paying attention to the risk sources which impact on it