Bulletins

In recent years, a great deal of focus has been placed on improving building fabric efficiency with the aim of reducing operational energy emissions and as such operational greenhouse gas emissions. Initially, these improvements focused on the reduction of U-values to reduce heat transfer through the mostly flat surfaces of building elements, this is reflected in alterations to building regulations Part L in 2021, which mandated improved U-values for all elements in new build

In September 2025 the UK Met Office announced that the summer of 2025 was the warmest on record for the UK. A 2025 study by the London School of Hygiene & Tropical Medicine and Imperial College London estimated that 1,147 deaths last summer were heat-related. Having those in minds, it is crucial to wonder as professionals in the construction industry: what we can do to create comfortable indoor environments without increasing the carbon footprint of the buildings? At JAW Sust

As the construction industry makes the inevitable shift towards more sustainable construction practices, the need for early stage design...