The construction industry is one of the largest contributors to carbon emissions, prompting a surge in the search for truly regenerative building components. Within the latest Eco Materials Catalog research, mycelium—the root structure of fungi—has emerged as a revolutionary solution. In 2026, mycelium is being grown into structural bricks that offer a carbon-negative alternative to traditional concrete and clay. These organic units are created by feeding fungal spores agricultural waste, such as hemp or straw, which the fungi then “bind” together into a solid, durable form. For architects in the UK, this represents a breakthrough in sustainable architecture.
One of the primary advantages of these bricks is their exceptional thermal and acoustic insulation properties. In the context of UK urban design, where energy efficiency and noise reduction are paramount, fungal materials provide a natural advantage. Unlike synthetic insulation, these bricks are entirely biodegradable at the end of their lifecycle, fitting perfectly into the “cradle-to-cradle” philosophy. Furthermore, the manufacturing process requires significantly less energy than kiln-fired bricks, as the fungi grow at room temperature. This low-energy production makes it an ideal candidate for carbon-neutral housing projects across the country.
The aesthetic and functional versatility of fungal materials is also being explored in high-end interior design. Mycelium can be molded into complex shapes, providing a unique, textured finish that appeals to the modern “biophilic” design movement. While challenges regarding long-term moisture resistance are being addressed through natural materials coatings, the current catalog of successful pilot projects in London and Manchester proves that fungi can be a reliable structural partner. As we rethink the footprint of our built environment, the humble mushroom is proving to be a foundational element in the future of British green construction.