Back to the Office – 20 City Office Developments Underway in 2025
Occupier confidence is returning to the City of London office market, according to this overview of 20 major developments under way in 2025. It points to 22 Bishopsgate, the 62-storey tower completed during the pandemic, which is now fully let, as evidence of strong demand for high-quality, flexible workspace with good amenities.
The pipeline ranges from schemes nearing completion to long-term towers. Among the larger projects:
• 1 Broadgate (British Land and GIC), 546,000 sq ft, completing 2025 and fully let • 2 Aldermanbury Square (GPE), 321,100 sq ft, completing 2026 as the new headquarters of Clifford Chance • 2 Finsbury Avenue, a 750,000 sq ft twin-tower scheme at Broadgate due in 2027, at least a third let • One Exchange Square, 430,000 sq ft on the former Deutsche Bank site, completing 2026 • Fifty Fenchurch, a 650,000 sq ft tower for The Clothworkers' Company designed by Eric Parry Architects, due 2028 • One Undershaft, 1.7 million sq ft, set to be the City's tallest building on completion in 2030 • 75 London Wall, a 465,822 sq ft refurbishment due in 2027 • One Leadenhall by Brookfield Properties, 420,000 sq ft, completing 2025
Other schemes include Edenica, One Liverpool Street, Ten Gresham, Stanhope's Woolgate retrofit, Sira Road EC1, 10 King William Street, 20 Giltspur Street, Holborn Viaduct, Sixty Three Coleman, Princes, a refurbishment of Adelaide House (the City's first steel-framed building), and 100 and 10 New Bridge Street.
The article argues that the scale of activity reflects a market driven by confidence rather than speculation. While hybrid working still shapes demand, strong pre-letting of premium buildings shows occupiers prioritising quality, location and sustainability over sheer floor space. Developers are responding with greener designs, flexible floorplates and wellbeing-focused amenities.
These themes are expected to feature at London Build 2025, where developers, architects and investors will discuss the future of commercial construction and the evolving role of the office.
Source: London Build 2026, originally published on The Landsite (10 October 2025)
