Woolworth Building Tops Off Its Luxury Condo Conversion

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• Property09/15/2026@BuildDesk

  One Wall Street Completes Largest NYC Office-to-Apartment Conversion

  1 Wall Street, Financial District, Manhattan, New York, United StatesMacklowe Properties

  

  Starts 03/06/2023CONFIRMED90% CONFIDENCE3.6 years agoHappened as dated, per the source^[1]: "the building obtained its certificate of temporary occupancy, and the first residents were scheduled to move in the following week."

  Macklowe Properties finished converting the Art Deco One Wall Street office tower into 566 apartments, the largest office-to-residential conversion completed in New York City.

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• Architecture09/15/2026@BuildDesk

  220 Central Park South Completes on Billionaires' Row

  220 Central Park South, Manhattan, New York, USAVornado Realty Trust·…

  

  Starts 12/31/2019CONFIRMED87% CONFIDENCE6.7 years agoHappened as dated, per the source^[1]: "220 Central Park South was completed in 2019," with first residents moving in during 2018.

  220 Central Park South, a limestone-clad tower on Manhattan's Billionaires' Row, completed as one of the most profitable condo buildings ever built, breaking from the glass-tower norm.

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• Architecture09/15/2026@BuildDesk

  Central Park Tower Welcomes Its First Residents

  Central Park Tower, 225 West 57th Street, New York, New York, United StatesExtell Development Company

  

  Starts 02/25/2021CONFIRMED85% CONFIDENCE5.6 years agoHappened as dated, per the source^[1]: "The first buyers finalized the purchases of their apartments in February 2021."

  The world's tallest residential building began closing apartment sales on Billionaires' Row, months after finishing construction as Manhattan's newest supertall.

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• Property09/14/2026@BuildDesk

  The One Placed Into Receivership in Toronto

  Yonge and Bloor, Toronto, Ontario, Canada

  

  Starts 10/16/2023CONFIRMED84% CONFIDENCE2.9 years agoHappened as dated, per the source^[1]: the tower "was taken over by a court-appointed receiver" in "October 2023" after "financiers defaulted on more than $1.2 billion in loans."

  The One, an 85-storey tower at Yonge and Bloor meant to be Canada's first supertall skyscraper, was placed into receivership after its financiers defaulted on more than $1.2BN in loans.

  C$1.2B

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• Architecture09/15/2026@BuildDesk

  Great Portland Estates Completes 18 Hanover Square

  18 Hanover Square, Mayfair, London, UKGreat Portland Estates

  

  Starts 12/31/2020ESTIMATED50% CONFIDENCE5.7 years agoEstimated: the 17 September 2020 practical completion Buildington^[3] records is for the neighbouring Grade II* listed 20 Hanover Square, not 18 Hanover Square. GPE's^[2] release of 12 May 2021 says the final office letting came 'less than six months after practical completion', putting 18 Hanover Square's completion after mid-November 2020, so the pin takes the end of that quarter. No source gives the day.

  Great Portland Estates finishes its four-building Hanover Square scheme in Mayfair, built directly above the new Bond Street Elizabeth Line station's eastern ticket hall.

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• Architecture09/15/2026@BuildDesk

  Dalston Works Becomes the World's Largest Timber Building

  Dalston Lane, Hackney, London, United KingdomWaugh Thistleton Architects

  

  Starts 06/30/2017CONFIRMED90% CONFIDENCE9.2 years agoHappened as dated, per the source^[1]: "World's largest CLT structure completed".

  Waugh Thistleton's 10-storey Dalston Works in east London is completed, becoming the largest cross-laminated timber structure built anywhere to date.

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• Property09/15/2026@BuildDesk

  GFP Real Estate Wins the Flatiron Building's Second Auction

  175 5th Avenue, New York, NY 10010, USAGFP Real Estate

  

  Starts 05/23/2023CONFIRMED90% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "Jeffrey Gural won Tuesday's auction outside 60 Centre Street in Lower Manhattan with a bid for $161 million."

  After the top bidder in the Flatiron Building's court-ordered auction failed to pay, a second sale handed New York's cake-slice tower to majority owner GFP Real Estate for $161.5 million.

  $161.5M

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• Architecture09/20/2026@BuildDesk

  Atlassian Central Tops Out as the World's Tallest Hybrid Timber Tower

  Lee Street, Haymarket, Sydney, New South Wales, AustraliaAtlassian·…

  

  Starts 07/22/2026CONFIRMED90% CONFIDENCE63 days agoThe report says a "topping out ceremony" was held at the Atlassian Central skyscraper in Sydney on Wednesday, 22 July 2026.^[1]

  The 39-storey, 180-metre tower beside Central Station reached its full height at a topping-out ceremony, making it the world's tallest hybrid timber and steel building. Co-owned by Atlassian and the property group Dexus, it anchors Sydney's Tech Central precinct and is expected to be completed in 2027.

  A$1.4B

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• Architecture09/14/2026@BuildDesk

  Pinnacle SkyTower Opens in Toronto

  Yonge Street waterfront, Toronto, Ontario, CanadaPinnacle International

  

  Starts 09/22/2026SCHEDULED76% CONFIDENCE1 day agoGiven as scheduled, per the source^[1]: Pinnacle SkyTower "will be Canada's tallest residential building when it opens in the fall of 2026."

  Pinnacle SkyTower, a 106-storey, 352m tower on Toronto's waterfront, becomes Canada's tallest building, taking the title from One Bloor West.

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• Architecture09/15/2026@BuildDesk

  Bloomberg Opens Its Sustainability-Focused London Headquarters

  3 Queen Victoria Street, City of London, London, United KingdomFoster + Partners

  

  Starts 10/24/2017CONFIRMED90% CONFIDENCE8.9 years agoThe B1M’s article (published 10 January 2018) already described the building as recently opened, and independent design press dated the official opening precisely. Happened as dated, per the source^[1]: "officially opened on 24 October 2017, with an event hosted by founder Michael R. Bloomberg".

  Foster + Partners’ new Bloomberg European headquarters in the City of London opened with the highest BREEAM sustainability score ever awarded to a major office building.

  £1B

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• Architecture09/15/2026@BuildDesk

  111 West 57th Street Finishes as the World's Thinnest Skyscraper

  Steinway Tower, 111 West 57th Street, New York, New York, United StatesSHoP Architects

  

  Starts 06/01/2022ESTIMATED67% CONFIDENCE4.3 years agoHappened as dated, per the source^[1]: "Completed 2022 (residential tower)."

  SHoP Architects' ultra-slender Steinway Tower, with a width-to-height ratio of 1:24, completed construction on Billionaires' Row after years of delays and a lender dispute.

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• Architecture09/20/2026@BuildDesk

  New Ontario Science Centre Opens at Ontario Place

  Ontario Place, 955 Lake Shore Boulevard West, Toronto, Ontario, CanadaOntario Science Centre

  

  Starts 12/31/2029DELAYED12 months late40% CONFIDENCEin 3.3 yearsGlobal News^[1] reports that "the new building is expected to open in 2029", a year rather than a fixed day, so the pin sits at the end of 2029.

  The 400,000-square-foot replacement for the Don Mills science centre is rising on Toronto's waterfront, pairing a mainland building with an integrated pod complex and a restored Cinesphere. Ontario's auditor general costed the move at roughly $1.4 billion against $1.3 billion to keep the old building, and shovels went in the ground in May 2026.

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