- Start
- Dec 31, 203350% CONFIDENCEfrom the source
One London Tower Targets 2033 Completion
- One London, formerly 1 Undershaft, will rise to 309.6 m with 1.2 million sq ft of office-led space, with completion set for 2033[2]
- The City of London Corporation's Planning Applications Sub-Committee approved the 74-storey scheme in December 2024, and Construction Enquirer says full planning consent was given in December 2025[2][3]
- Construction is set to start in 2028, with a main contractor due to be appointed later in the year; Keltbray is already deconstructing the existing St Helen's Tower[2]
- Aroland Holdings owns the site, Stanhope is development manager and Eric Parry Architects the architect, with WSP as engineer[2]
- Level 73 will house Europe's highest publicly accessible viewing gallery, at just over 300 m, operated by the London Museum, with 'classrooms in the sky' on level 72[2][3]
- It offers 154,156 sqm of Grade A office space and a 2,500 sqm podium garden 42 m above street level[3]
References 369% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]50%youtube.com/watch?v=t2n8a1_tfCIyoutube.com· Posted Sep 14, 2026· Starts Dec 31, 2033 ✓· 50% of score
A target, per the source: 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."
- [2]86%Start date set for City of London's tallest tower – Construction Enquirerconstructionenquirer.com· Published Jun 1, 2026· 33% of score
Construction Enquirer confirms construction on One London (formerly 1 Undershaft) is "set to start in 2028" with completion in 2033, matching the pin's stored 2033 target exactly, and notes full planning consent was granted in December 2025.
- [3]90%City of London Corporation approves Square Mile's tallest towernews.cityoflondon.gov.uk· Published Dec 1, 2025· 17% of score
The City of London Corporation's own news release, dated 1 December 2025, announces approval of the Square Mile's tallest tower, consistent with the pin's stored 2033 completion target, though the page itself could not be fetched to quote directly.
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