Reporting on a “This is Money” podcast, Daily Mail articles say speculation about a potential new “mansion tax” is prompting discussion about how many households could be affected. The proposal discussed is tied to property values, with coverage focusing on homes worth £1.5 million or more. One article states that “twice as many households could be forced to pay” under the latest speculation, suggesting that the threshold or coverage could expand compared with earlier plans. The coverage presented does not confirm that a policy has been adopted, but frames the issue as an ongoing debate over fairness and eligibility for any future tax changes. Overall, the sources agree that the idea of taxing high-value properties is being considered, that the £1.5m threshold is central to the discussion, and that the most recent speculation points to a potentially larger number of liable households than previously expected. No specific government decision, implementation date, or detailed tax rates are included in the provided summaries.