Carers to a severely disabled teenager and a victim of domestic violence both won their Court of Appeal challenges on Wednesday over the lawfulness of the Government's so-called "bedroom tax".
Grandparents Paul and Sue Rutherford care for their grandson, Warren, who has a rare genetic disorder.
Their case, and that of an anonymous domestic violence victim who has a panic room in her home, were both discriminatory, judges ruled on Wednesday.
Their cases are the latest examples of successful challenges to the controversial "subsidy", which penalises those with "spare" rooms.
Here is a list of some of the most high-profiled successful challenges to the government's scheme.