You state that you paid for the house. The question that needs to be answered is what was agreed between you and your mother at the time you paid for the house. It could be that you were lending the money to your mother, in which case you have no claim in respect of the house, but she (and in her stead her estate) owes you the money, and any interest that may have been payable. It could be that you gave the money to her as a gift in which case you have no claim in respect of the house, and no claim for the money either. Finally it could be that it was agreed between you both that she would purchase the house using your money, and that although her name would appear as owner of the property, it really belonged to you (subject to letting her live there) and that you would be entitled to the proceeds of sale if she sold it in which case the house was owned by her on trust for you, and in effect belongs to you. These are matters that should have been thought about, discussed and agreed at the time of purchase, and if your mother, you and the conveyancers did not get this sorted out at that time, then it will make matters more difficult now. There is no point in contesting the will, but you should claim whatever is rightfully yours.