President Donald Trump isn’t getting his massively expensive ballroom just yet.

U.S. District Judge Richard Leon blocked the 79-year-old President of the United States from starting construction on his estimated $400 million ballroom expansion in the White House without getting permission from Congress.

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The judge banned “any further demolition, site preparation work, landscape alteration, excavation, foundation work, or other construction or related work, other than actions strictly necessary to ensure the safety and security of the White House and its grounds, including the ballroom construction site, and provide for the personal safety of the President and his staff,” per Deadline.

Trump‘s team still has time to appeal, as the ruling doesn’t go into effect for two weeks.

“The president of the United States is the steward of the White House for future generations of First Families. He is not, however, the owner!” the judge wrote, saying he will require “absent express authorization from Congress.”

The National Trust for Historic Preservation, the plaintiff in the case, was “likely to succeed on the merits because no statute comes close to giving the president the authority he claims to have,” he added.

Trump demolished part of the East Wing last year before getting approval from Congress.

The non-profit group argues that Trump needed Congress’ permission before the demolition of the East Wing.

Trump then issued a rant on his usual social media platform, Truth Social.

“The National Trust for Historic Preservation sues me for a Ballroom that is under budget, ahead of schedule, being built at no cost to the Taxpayer, and will be the finest Building of its kind anywhere in the World. I then get sued by them over the renovation of the dilapidated and structurally unsound former Kennedy Center, now, The Trump Kennedy Center (A show of Bipartisan Unity, a Republican and Democrat President!), where all I am doing is fixing, cleaning, running, and ‘sprucing up’ a terribly maintained, for many years, Building, but a Building of potentially great importance. Yet, The National Trust for Historic Preservation, a Radical Left Group of Lunatics whose funding was stopped by Congress in 2005, is not suing the Federal Reserve for a Building which has been decimated and destroyed, inside and out, by an incompetent and possibly corrupt Fed Chairman. The once magnificent Building is BILLIONS over budget, may never be completed, and may never open. All of the beautiful walls inside have been ripped down, never to be built again, but the National ‘Trust’ for Historic Preservation never did anything about it! Or, have they sued on Governor Gavin Newscum’s ‘RAILROAD TO NOWHERE’ in California that is BILLIONS over Budget and, probably, will never open or be used. So, the White House Ballroom, and The Trump Kennedy Center, which are under budget, ahead of schedule, and will be among the most magnificent Buildings of their kind anywhere in the World, gets sued by a group that was cut off by Government years ago, but all of the many DISASTERS in our Country are left alone to die. Doesn’t make much sense, does it? President DONALD J. TRUMP.”

Donald Trump is also making threatening remarks toward countries that have been longtime supporters of the United States amid his ongoing war with Iran.