Projects / Built project

150 Holborn

London, United Kingdom · 2023

Sidara's 182,955 sq ft London headquarters, combining a shared atrium workplace with circular design and intelligent building systems.

Client
Sidara
Size
182,955 sq ft
Workplace population
More than 1,000 people
Demolition waste
97% reused or sent for recycling

The story

The story behind the work.

Perkins&Will designed 150 Holborn as Sidara's London headquarters, bringing more than 1,000 people from several businesses into one 182,955 sq ft building. A public cafe, central atrium, shared staircase and varied work settings connect the organisations while allowing each brand to retain its identity.

A pre-demolition audit guided material reuse and recycling, with the official project page recording 97% of potential demolition waste reused or sent for recycling. Refurbished furniture, components designed for disassembly and a digital twin extend the circular approach into occupation. The project completed in 2023, and this practice-level record makes no Mario Romero authorship claim.

Credits

Architecture, interior design and workplace strategy
Perkins and Will

The practice

Perkins and Will

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