Rise in Material Costs and Its Impact on the UK Construction Industry The cost of raw materials in the UK is expected to more than treble in 2022, according to the Building Cost Information Service (BCIS) Materials Cost Index. The figure had already increased fivefold during the Covid-19 pandemic, going from -0.9% in 2020 to 4.8% in 2021 – a 40-year high, according to the Royal Institution of Chartered Surveyors' analysis of figures from the Office for National Statistics (ONS).