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

Eco +Plus & Eco Premium ® are our improved structural insulated panel offerings which exceed the updated 2022 Part L building regulation regarding energy and thermal performance.
 

Our SIPs are manufactured in a quality-controlled factory (under ISO9001 standards) to the specific architectural drawings of each individual structure. The sophisticated design features and thermal technology in  Eco +Plus and Eco Premium® mean it can reach excellent levels of thermal performance, supporting clients who have aspirations to achieve Passivhaus Standard.
 

The main difference between the two products is the level of U-value performance each version can achieve and slight variations in the overall wall thicknesses – see the table below for more details and be sure to discuss your project needs with a member of our sales team.

Anne's Art Studio

In 2025, Richmond Bell Architects saw the completion of the charred-timber-clad studio they designed for Swedish artist Anne Terselius Claridge. The 36-square-metre asymmetrical building sits within a mature garden beside Anne’s home. Light was central to the design: the studio’s unique profile and thoughtfully positioned windows maximise consistent daylight to create the ideal cond...

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