A duplex penthouse at The Chatsworth, Upper West Side, has entered the market for $21.95 million. This residence offers 6,000 square feet of indoor space and an additional 3,700 square feet of private rooftop terrace.
Manhattan is defined by compact, high-density living, yet this penthouse presents expansive, private luxury on a scale rarely seen within the city.
The $21.95 million listing therefore signals continued robust demand and premium valuation for ultra-luxury, spacious properties in prime historic New York City locations, poised to attract a global buyer.
Inside the $21.95 Million Chatsworth Penthouse
Robb Report details the penthouse's 6,000 square feet of indoor space and 3,700 square feet of private rooftop terrace. Such a vast indoor-outdoor combination remains a Manhattan rarity.
The main entertaining level features a 30-foot great room with oversized windows, framing views of Riverside Park, the Hudson River, and the Manhattan skyline, Robb Report confirms. These panoramic vistas, coupled with a private outdoor space nearly two-thirds the size of the indoor living area, challenge typical urban spatial constraints.
The lower level's primary suite boasts dual marble bathrooms and multiple walk-in closets, Robb Report notes. This design prioritizes personalized luxury on a grand scale.
The Chatsworth: A Historic Address
The Chatsworth, a 1904 Beaux-Arts landmark on the Upper West Side, derives significant perceived value from its historical stature.
This heritage draws buyers seeking modern luxury intertwined with established provenance. The building's original grandeur elevates Penthouse E's exclusivity, effectively creating a private estate within a high-rise.
Manhattan's Enduring Ultra-Luxury Market
Manhattan's ultra-luxury market remains resilient. Properties like Penthouse E, with its unique spatial attributes—6,000 sq ft indoor, 3,700 sq ft outdoor—command premium prices. This $21.95 million valuation confirms the ultra-wealthy prioritize sprawling urban acreage as the ultimate luxury, signaling a shift from prime location to unparalleled personal domain.
What's Next for Penthouse E?
The sale of Penthouse E will likely attract an international buyer, seeking unparalleled New York City residences that blend historical prestige with modern expansive living. This transaction could establish new benchmarks for the Upper West Side's luxury segment in 2026, positioning this unique combination of scale and history as a significant market event.
Understanding Ultra-Luxury Ownership
What historic buildings are for sale on the Upper West Side in 2026?
While specific listings vary, properties like The Chatsworth (1904) and The Belnord (1908) represent historic Upper West Side buildings that occasionally feature ultra-luxury sales. These residences often undergo extensive renovations to integrate modern amenities while preserving architectural integrity.
What are the most expensive penthouses for sale in NYC 2026?
The most expensive penthouses in NYC in 2026 typically exceed $50 million, often found in new construction supertalls like Central Park Tower or 220 Central Park South. Penthouse E's $21.95 million price point places it among the Upper West Side's top-tier, but below the city's absolute highest.
Are there any new luxury apartment sales on the Upper West Side in 2026?
New luxury apartment sales on the Upper West Side in 2026 include both historic conversions and select new developments. These often feature amenities such as private fitness centers, concierge services, and exclusive residents' lounges, catering to high-net-worth individuals.
