400 Lake Shore Drive's North Tower Rises From Chicago's Old Spire Hole

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• Architecture09/15/2026@BuildDesk

  One Park Drive Opens in London's Wood Wharf

  One Park Drive, Wood Wharf, London E14, United KingdomCanary Wharf Group

  

  Starts 07/29/2021CONFIRMED86% CONFIDENCE5.2 years agoHappened as dated, per the source^[1]: "Completed: 2021".

  Herzog & de Meuron's 205-metre One Park Drive tower, the centrepiece of Canary Wharf's new Wood Wharf district on reclaimed Thames-side land, opened to its first residents in London.

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• Architecture09/15/2026@BuildDesk

  40 Leadenhall Tower Completes in the City of London

  40 Leadenhall Street, London, UKM&G Real Estate

  

  Starts 12/31/2024ESTIMATED67% CONFIDENCE1.7 years agoEstimated: the sources give only a year - Wikipedia^[3] says the tower "was completed in 2024" and Trimble^[2], writing in August 2024, still expected completion in Q4 2024 - so the pin sits at the end of that year.

  The 155-metre '40 Leadenhall' tower, nicknamed Gotham City for its stepped neo-gothic form, has reached completion in the City of London's insurance district.

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• Architecture09/14/2026@BuildDesk

  432 Park Avenue Opens on Manhattan's Billionaires' Row

  432 Park Avenue, Manhattan, New York, NYMacklowe Properties

  

  Starts 12/23/2015CONFIRMED84% CONFIDENCE10.8 years agoHappened as dated, per the source^[1]: "Year of Completion: 2015."

  Harry Macklowe's 432 Park Avenue, then the world's tallest residential tower, officially completed in Manhattan in December 2015 after four years of construction.

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• Architecture09/15/2026@BuildDesk

  Chicago's Century and Consumers Buildings Saved From Demolition

  220 South State Street, Loop, Chicago, Illinois, United StatesGeneral Services Administration

  

  Starts 08/02/2024CONFIRMED90% CONFIDENCE2.1 years agoHappened as dated, per the source^[1]: the GSA released its final environmental review, "ultimately choosing to reuse the vacant buildings rather than demolish them," reported August 2, 2024.

  The US General Services Administration reversed course on a $52M congressional earmark to demolish two historic Chicago Loop skyscrapers, opting to reuse them instead after a sustained preservation campaign.

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• Sports09/20/2026@BuildDesk

  Capital One Arena's Rebuild Finishes for the 2027-28 Season

  Capital One Arena, 601 F Street NW, Washington, D.C. 20004, United StatesMonumental Sports & Entertainment

  

  Starts 10/01/2027ESTIMATED50% CONFIDENCEin 1.0 yearsMonumental gives a season rather than a date, promising "completion ahead of the 2027-28 NBA and NHL seasons", which begin in October 2027.^[1]

  Monumental Sports & Entertainment's rebuild of the Capitals' and Wizards' downtown arena reaches the end of six construction phases that began in December 2024 and were staged around live events, including a new 'Visibowl' seating bowl, new premium clubs and a new cardholder entrance opening in autumn 2027.

  $1B

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• Architecture09/14/2026@BuildDesk

  262 Fifth Avenue Rises Over the Empire State Building's Sightlines

  262 Fifth Avenue, NoMad, Manhattan, New YorkFive Points Development

  

  Starts 12/31/2026ESTIMATED66% CONFIDENCEin 99 daysGiven as a target, not a fixed date, per archdaily.com^[3]: Meganom "is nearing completion" of the tower as of December 2025, with delivery expected in 2026.

  Five Points Development's slender 262 Fifth Avenue condo tower topped out in Manhattan's NoMad district in 2024 and is on track to open in 2026, drawing criticism for blocking classic views of the nearby Empire State Building.

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• Architecture09/14/2026@BuildDesk

  DC Tower 2 Set to Complete Vienna's Donau City Skyline

  Donau-City-Straße, Donau City, Vienna, Austria

  

  Starts 12/31/2026SCHEDULED74% CONFIDENCEin 99 daysGiven as scheduled, per the source^[1]: "Scheduled for completion in 2026."

  The 53-storey DC Tower 2 is rising beside its twin in Donau City using a jump-form climbing system, on track to finish out the district by the end of 2026.

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• Health09/20/2026@BuildDesk

  Mass General's Ragon Building Opens Its First Tower to Patients

  Cambridge Street at Blossom Street, Boston, MA 02114, United StatesMass General Brigham

  

  Starts 01/01/2028DELAYED12 months late40% CONFIDENCEin 1.3 yearsMass General Brigham's^[1] own page still describes "initial first side of the building opening in 2027", a year earlier than current reporting.

  The first of two connected towers in Mass General's Cambridge Street expansion takes its first patients, bringing 450 beds and 12 levels of operating, procedural and interventional space for the Corrigan Minehan Heart Center and the Mass General Cancer Center. Turner topped out the steel in February 2025; the second tower is not due until 2030.

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• Architecture09/20/2026@BuildDesk

  Cosm's LED Dome Opens as Centennial Yards' First Venue

  125 Ted Turner Drive SW, Atlanta, GA 30303Cosm

  

  Starts 06/10/2026CONFIRMED90% CONFIDENCE105 days agoCosm's^[1] own construction update announced that the Atlanta venue "will debut for the public on June 10", and Atlanta News First reported from the opening that day.

  Cosm opened a 70,000-square-foot, three-level venue built around an 87-foot 12K LED dome in Atlanta's Gulch, showing Game 4 of the NBA Finals on its first night. It is the first attraction finished inside Centennial Yards, the $5 billion, 50-acre redevelopment of the rail gulch between State Farm Arena and Mercedes-Benz Stadium.

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• Architecture09/20/2026@BuildDesk

  Tour Triangle Is Delivered at Porte de Versailles

  1 Place de la Porte de Versailles, 15th arrondissement, Paris, FranceUnibail-Rodamco-Westfield

  

  Starts 01/01/2027DELAYED1 day late40% CONFIDENCEin 100 daysFrance 3's site visit reports the tower is "au niveau du 35e etage... pour une livraison finale debut 2027" - final delivery in early 2027, a season rather than a date.^[1]

  Herzog & de Meuron's 180-metre glass wedge holds 44 floors of offices, a hotel and a restaurant on the edge of the Parc des Expositions, and is the first high-rise built inside Paris in about 40 years. Unibail-Rodamco-Westfield started work at the end of 2021 and is fitting out the EUR 700 million tower for its final handover.

  €700M

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• Architecture09/15/2026@BuildDesk

  53W53 Completes Above Manhattan's MoMA

  53 West 53rd Street, Midtown East, Manhattan, New York, NY 10019, United States

  

  Starts 01/01/2020ESTIMATED51% CONFIDENCE6.7 years agoGiven as scheduled, per the source^[1]: "the Hines-led development team commenced closings... the building is now ready to welcome its first residents."

  Jean Nouvel's super-slender 53 West 53rd Street tower, built above an expansion of the Museum of Modern Art, finished construction and began welcoming residents.

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• Architecture09/14/2026@BuildDesk

  One London Tower Targets 2033 Completion

  Undershaft, City of London, United Kingdom

  

  Starts 12/31/2033ESTIMATED69% CONFIDENCEin 7.3 yearsA target, per the source^[1]: the tower "will begin construction in 2028 for a completion in 2033," after receiving "full planning consent from the City of London^[3] Corporation in December 2025."

  One London, the tower formerly known as 1 Undershaft that will match the Shard as Western Europe's tallest building, finally won full planning consent after nearly a decade of delays.

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