Archello Awards 2026 · Enter your projects before 30 September 2026
Archello Awards 2026 · Enter your projects before 30 September 2026

Sustainability Certificates

BRE Green Guide Rating
A+ · 2015

URSA WALLTEC BLACK 32 is a high-performance, non-combustible glass mineral wool insulation slab designed for ventilated facades and external wall systems.

With a low thermal conductivity of 0.032 W/m·K and a black veil facing for discreet installation, it offers excellent energy efficiency and fire safety (Euroclass A1).

Made from up to 85 percent recycled glass and backed by third-party EPDs and ISO 14001 certification, it supports low embodied carbon design and contributes to BREEAM and LEED credits for sustainable construction.

150 Holborn

In central London, England, Perkins&Will has designed a landmark smart, sustainable head office building for Sidara, a global collaborative of specialist firms providing services in architecture, engineering, sustainability consulting, digital strategy, and energy systems. 150 Holborn replaces an old 1980s office block and provides a shared company headquarters for Sidara’s London-bas...

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