The Flatiron Building – famous for its triangular profile, slender prow, and Beaux‑Arts detailing – has been a New York City landmark for more than a century. For the last seven years it was cloaked in scaffolding as a massive interior‑and‑exterior renovation converted the 24‑storey office tower into ultra‑luxury apartments. Once shrouded from the streets, the structure’s iconic shape is now ready for its new chapter as a residential icon.

Developers from the Brodsky Organization, GFP Real Estate and the Sorgente Group have turned a once‑commercial closet into 36 open‑concept residences. Demolition left the Laurel Avenue® shell while construction added full‑floor five‑bedroom units up to £43.9 million (US$58.5 million) and high‑end micro‑units starting at £8.3 million (US$11 million). Only 21 residences on the New York market sell or trade for more than the Flatiron’s upper‑priced units, with the highest single‑building price at a central‑park condo exceeding US$128 million.

The €​000131A building was first erected in 1902 by architect Daniel Burnham, who designed it to fit a wedge‑shaped parcel where Broadway meets Fifth Avenue. It was nicknamed “Burnham’s Folly” because observers feared the novel steel‑frame would tip. Today the same steel skeleton is preserved in rooms, turned into closet shelving and even a double‑barrel staircase in the lobby, paying homage to the original structural ingenuity.

Renovation contractors restored the tower’s façade, meticulously re‑crafting thousands of terra‑cotta panels and replacing dust‑laden windows with new, noise‑blocking, energy‑efficient glazing. A lighting system designed by Studio Sofield will showcase the intricate detailing in night‑time illumination – a first for the building. In addition, a previously hidden balcony on the 20th floor, discovered during demolition, has been fully refurbished to overlook Madison Square Park and Broadway.

New residents will soon enjoy world‑class amenities: an 18‑metre (60‑ft) pool, a billiards and piano lounge, and a wellness centre located in the basement. These features, combined with historic touches such as a wooden revolving door (mimicking a 1910s original that was too damaged to salvage), an updated balcony, and vintage street‑lamp‑derived chandeliers, weave the past into the present.

The extensive restoration work has also allowed early‑century artifacts – menus, shoes, a piano, and even the building’s original street lamps – to be displayed in glass cases in the lobby, giving new residents a tangible link to the Flatiron’s original operational era. Locals have noted a renewed flow of pedestrian traffic to the triangular park as the scaffolding is removed, with visitors taking photos of the newly unveiled façade and then exploring the surrounding dining and retail options.

Full removal of scaffolding is expected by the end of summer, after which the building’s restoration will be revealed for the first time in seven years. With both its interior and exterior complete, the Flatiron will be poised to cement its place as an exemplar of transformation – marrying historic preservation with contemporary luxury in the heart of Manhattan.