Space House

London, United Kingdom, Europe

Completed · Commercial · Retrofit Brutalist Office · Temperate · 2025

A deep retrofit and extension of the Grade II-listed 1968 brutalist Space House in Covent Garden, comprising a cylindrical tower and a rectilinear block, delivering around 255,000 sq ft of workspace, retail and events space. Around 90% of the original structure was retained, saving an estimated 10,000 tonnes of carbon. It is the largest listed UK building to achieve BREEAM Outstanding.

Innovation highlights

• About 90% structural retention saving ~10,000t carbon
• Largest listed UK building at BREEAM Outstanding
• Precast crown units un-stitched, repaired and rematched
• Listed-fabric retrofit without external insulation

Innovations in the catalogue

• High-Percentage Structural Retention Retrofit
• Un-Stitch, Repair and Rematch of Precast Units
• BREEAM Outstanding Without External Insulation

Client / Developer

Seaforth Land

Architect

Squire & Partners (original: Richard Seifert & Partners, 1968)

Type

Retrofit Brutalist Office

#retrofit #listed building #brutalist #embodied carbon #BREEAM Outstanding

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