Aldersgate House

Location: City of London

, UK

Status: On site

Service: Architecture, Interiors

Area: 2,160m² / 23,240ft²

Client: Universal Consolidated Group Ltd.

2024-26

Aldersgate House sits directly above Barbican Tube Station, a mid-1980s office building with exceptional transport links but decades of accumulated clutter obscuring its potential. We're transforming it into a boutique workplace through deep retrofit, working within the existing shell where strict load limits imposed by the Underground tunnels below prevent vertical extension, and where recladding over live railway lines is unfeasible.

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Stripping out suspended ceilings exposes the steel structure and gains 20% in height, opening up constrained floor plates. We doubled the entrance foyer width by incorporating an adjacent retail bay and removed the external canopy, creating a transparent arrival that activates the street corner and engages with the Barbican high-walks. The existing triangular stair becomes a visual marker, highlighted in bold colour and strategically lit from the intersection outside.

Rather than fight the building's 1980s character of brick, precast concrete, and Aztec columns, we leaned into it. The interior material palette responds directly to the exterior: terrazzo, red travertine, timber linings in the lobby and lifts. Complete reservicing shifts the building from gas to all-electric systems using air source heat pumps housed in a new rooftop plantroom, improving the EPC rating from F/G to high B. New ductwork runs beneath existing downstand steel beams, organised alongside VRV units and services to maintain visual order in the exposed ceilings.

The project resolves a complex multi-level entry sequence, improving accessibility and creating a more inclusive arrival. Former plant rooms become secure cycle storage, and a previously dysfunctional gap adjacent to a listed bank now provides dedicated bike access.

Process

Concept design

Construction — the original steel frame has been exposed, now protected by intumescent paint

Designed by Rolfe Judd Architects in the late 1980's, the building was most recently used as a training and conference venue

232.

Aldersgate House

Year:

2024-26


CF team: Francis Fawcett, Oliver Cooke, Zachary Henderson, Julia Belozertseva, Francesca Savvides

MEP Engineers: Skelly and Couch, KSL
Structures: Axiom
Contractor: Bryen Langley

Photos: Peter Landers