The answer is yes as you are selling and it is not to you whether he gets it from a bank or from somewhere else.

Can someone buy the house from me through getting a mortgage from the bank?

Riba | March 2, 2014 5:21 am
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In the past I bought a house with interest. Now I have decided to sell it, but then I will have to rent and that is more expensive than a mortage with interest.
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If I know that the money given to me was from the lottery am I still able to accept from a friend as a gift?