The duplex penthouse atop the RMS Titanic’s London ticketing office has hit the market for £19.5 million (US$25.84 million).

Developers have converted Oceanic House, a Grade II-listed, classically designed building that served as the London booking office for the famously ill-fated ship, into seven luxury apartments. The most lavish of them spans the top two floors of the historic building, which served as the London headquarters of Titanic’s operator, the White Star Line shipping company.

In one of the most well-known nautical catastrophes ever, the Titanic sunk on April 15, 1912, after striking an iceberg on its way from the south of England to New York City, killing more than 1,500 people.

More: Attention, History Buffs: The Titanic’s London Ticket Office is Now a Luxury Building

The listing hit the market earlier this month, according to listing records on U.K. real estate site Zoopla.

The apartment is configured with four bedrooms, five bathrooms and two rooftop terraces set against the Edwardian building’s patinated mansard roof, according to listing agents Beauchamp Estates. The agency was not immediately available for comment.

It spans nearly 5,500 square feet over the buildings fifth and sixth floors. A skylight illuminates a formal gallery at the penthouse’s entrance, leading to the home’s grand living spaces.

The developers have fitted the kitchen with Miele appliances, siltstone countertops and provided space for more informal dining.

The redevelopment has six smaller apartments starting at 1,679 square feet, all of them with under-floor heating and en-suite bedrooms.

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In addition to carving out luxurious units, developers Oceanic Property Holdings Ltd and Misland Capital Ltd also cleaned up the century-old exterior.

They restored a pedimented arch and balustrade at the building’s main entrance, Mansion Global previously reported when the redevelopment was announced.

After housing White Star, the building became the London offices of Barclays Bank and, later, offices for the Ministry of Defense. In the 1990s, it became the Texas Embassy, a restaurant and promotional center for the state of Texas.

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