This 900-Year-Old Castle Is the Priciest Home Ever Listed for Sale in Luxembourg
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This 900-Year-Old Castle Is the Priciest Home Ever Listed for Sale in Luxembourg

Château d’Ansembourg and the adjacent Domaine du Presbytère d’Ansembourg are on the market for €37.5 Million 

By Liz Lucking
Fri, Jun 12, 2026 12:11pmGrey Clock < 1 min
An almost 900-year-old castle in Luxembourg has hit the market for €37.5 million (US$43.3 million), making it the most expensive residential property ever offered for sale in the small European country.

The listing comprises the ancient Château d’Ansembourg and the adjacent Domaine du Presbytère d’Ansembourg, which are within central Luxembourg’s Valley of the Seven Castles.

Château d’Ansembourg is one of the seven castles the valley is named for and is regarded as one of the country’s most important privately owned châteaus, according to Ignace Meuwissen, the founder of Whisper Auctions, who is handling the sale.

The castle sits at the heart of an almost 500-acre estate overlooking the picturesque village of Ansembourg, and records of its existence date to 1135.

Domaine du Presbytère d’Ansembourg, meanwhile, is a more than 110-acre estate comprising a former presbytery, a chapel dating to 1678, a historic school site, forests and meadows.

“Properties of this calibre rarely become available,” Meuwissen said.

“What is being offered today is far more than a chateau. The combination of nearly nine centuries of documented history, 245 hectares of land and a unique location in the Valley of the Seven Castles creates an opportunity that is exceptionally rare within Europe. Opportunities of this scale and heritage value are seldom brought to market and are often preserved within families for generations.”

The properties are being marketed through a “semi-off-market sales process,” with limited information and marketing materials publicly available, and access to the properties is reserved for a small number of pre-qualified candidates, according to Meuwissen.

Both estates have been privately occupied by the same owner, whom Meuwissen declined to identify. Mansion Global could not confirm who the seller is.



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