An application by the council to extend the family's stay at Cefn Cantref until April 2012 was turned down by the national park in 2010, but an appeal against the decision was upheld by the planning inspectorate.
Manchester United stayed on course for a record-extending 20th English title by beating the Premier League's bottom club Queens Park Rangers 2-0 on Saturday to extend the team's lead to 15 points.