Crown Fins Atop Norman Foster’s 425 Park Avenue Stand Fully Clad, in Midtown East

425 Park Avenue. Rendering by Dbox, courtesy of Foster + Partners

The trio of flat rectangular fins that form the crown of 425 Park Avenue are now fully enclosed in metal paneling as the 897-foot-tall office skyscraper gets closer to completion in Midtown East. The 47-story structure is designed by Norman Foster of Foster + Partners and developed by L&L Holding Company LLC with Adamson Associates as the architect of record.

425 Park Avenue. Photo by Tectonic

Tectonic stopped by the Park Avenue site to see how much the exterior has progressed since YIMBY’s December update, when the structural framing of the fins had recently been completed.

425 Park Avenue. Photo by Tectonic

425 Park Avenue. Photo by Tectonic

The back side of the building has been almost entirely covered, with the exception of the intermittent section between the bottom of the fins and the reinforced concrete core walls.

425 Park Avenue. Photo by Tectonic

425 Park Avenue. Photo by Tectonic

The construction crane still stands against the main western elevation and the exterior hoist remains attached to the southern profile. A metal framework that will hold the glass panels for the top two levels has steadily been assembled, meeting in the centerline on the edge of the floor plates. Previous renderings show this portion of the edifice clad in slightly more transparent glass.

425 Park Avenue. Photo by Tectonic

425 Park Avenue. Photo by Tectonic

Meanwhile, work is progressing on the final exterior metal panels running up the height of the structure’s main columns. Loads are transferred through these critical members and the diagonal steelwork seen in front of the setbacks. These sections of the building will be clad in large triangular and diamond-shaped glass panels and contain multi-story amenity spaces.

425 Park Avenue. Photo by Tectonic

Construction on 425 Park Avenue will likely finish sometime next year.

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11 Comments on "Crown Fins Atop Norman Foster’s 425 Park Avenue Stand Fully Clad, in Midtown East"

  1. Quite an impressive tower..The old zoning laws made putting up this building an ordeal.

  2. Beautiful tower. I applaud their using a textured material to cover the concrete exterior core walls. It could have been a disaster and they really stepped up to do the right thing. No value engineering on this gem. Love the roof fins, too.

  3. Are the crown fins like the fins on a 1960 Cadillac, i.e. purely decorative?

  4. I feel sorry for those who either live or work, and have to face that blank wall. Depressing…

  5. Ralph Petrillo | April 15, 2020 at 10:35 am | Reply

    Auction it off. Lol most new buildings that overspent would get about 60% on the dollar currently. How to lose a billion or two .

  6. Peter Mancini | April 16, 2020 at 7:49 am | Reply

    incredible structure. Thank you for the update!

  7. Evocatively steampunk.

  8. Doesnt make me smile. Just wonder how they project these buildings. They must have been achmoozing with tenants who are leaving 45000sq feet x 8.

    Its got a big butt and small chest. But that might have been a zoing issue?

  9. Light pollution.
    For what? the neighbors?
    Like the eyesore W hotel red sign degrading the west view of NJ.
    There should be laws against such depravity.
    Why not a throbbing sound from the roof while at it.

  10. Vegas in NYC! Yay.

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