The use of timber as a structural material in tall buildings is an area of emerging interest for its variety of potential benefits; the most obvious being that it is a renewable resource, unlike prevailing construction methods which use concrete and steel. The research is also investigating other potential benefits, such as reduced costs and improved construction timescales, increased fire resistance, and significant reduction in the overall weight of buildings. The conceptual proposals currently being developed would create over 1,000 new residential units in a 1 million sq ft mixed-use tower and mid-rise terraces in central London, integrated within the Barbican. The tall timber buildings research also looks towards creating new design potentials with timber buildings, rather than simply copying the forms of steel and concrete construction. The transition to timber construction may have a wider positive impact on urban environments and built form, and offers opportunities not only to rethink the aesthetics of buildings, but also the structural methodologies informing their design as well.Just as major innovations in steel, glass, concrete revolutionised buildings in the 19th and 20th centuries, creating new typologies such as Joseph Paxton’s Crystal Palace and the Parisian arcades described by Walter Benjamin, innovations in timber construction could lead to entirely new experiences of the city in the 21st century.