EngTree
Buildings & structures
Buildings & structurestower/high-rise

Citigroup Centre (London)

Canary Wharf, London, England · 2001-2003 · Not readily available (initial construction cost, current refurbishment costs are over £1 billion)

The judgement call

Account-gated at launch

Strategic location: Positioned alongside the Jubilee Line station at Canary Wharf, a key financial district. - Significant scale: One of the largest workspace projects in Europe.

Key engineering challenges

Constructing a 45-storey tower in a dense financial district. - Integrating the building with the surrounding infrastructure, including the Jubilee Line station. - Designing for large office spaces and high occupancy.

Project facts

Client / owner
Citigroup
Lead contractor
Canary Wharf Contractors
Lead designers
César Pelli & Associates (architect), Adamson Associates (executive architect)
Project type
new build
Scale
45-storey tower (25 Canada Square), 1.2 million sq ft (170,000 sq m) total floor space across 25 and 33 Canada Square
Disciplines
Architecture; Structural Engineering; Civil Engineering
Standards & frameworks
UK Building Regulations (implied)

Sources: https://en.wikipedia.org/wiki/Citigroup_Centre_(London); https://www.hdrinc.com/portfolio/citi-tower; https://www.burohappold.com/projects/citi-tower-refurbishment/; https://www.ft.com/content/7d1be767-0121-45aa-8f94-b3a04ea3c4d0