
Growing Demand
To meet future demand, the City of London Corporation has laid out a goal to build an extra 1.2m sqm of new office space over the coming years.
The City Cluster to the east, which contains buildings around Leadenhall Street, St Mary Axe, and Bishopsgate, will accommodate much of this growth.
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The City Corporation has also encouraged the retrofitting of existing stock.
The Developments
100 Leadenhall Street
Offering approximately 102,000 sqm of high‑quality, flexible office space across 56 storeys as part of a mixed‑use tower reaching 263.4 m, known as “The Diamond”. Designed with sustainability ambitions including net‑zero carbon strategies, it is scheduled for completion in 2027.
2 Finsbury Avenue
Offering approximately 750,000 sq ft of flexible, mixed‑use commercial space. Designed to be all‑electric and smart enabled, targeting world‑leading sustainability certifications including BREEAM Outstanding, WELL Platinum, EPC A and NABERS 5‑star. Scheduled for completion in 2027.
63 St Mary Axe
Offering approximately 635,000 sq ft of premium Grade A commercial office space across 46 storeys. Designed as a fossil fuel‑free, all‑electric building targeting high sustainability ratings (BREEAM Outstanding, NABERS 5 Star and net zero carbon in operation). Scheduled for completion in 2030s.

