Workers in the construction industry engage with various activities for buildings and public engineering works, relating to repair, additions, and modifications (Office for National Statistics, 2015). They frequently work for a contractor who manages and supervises the entire process of construction work. Examples of construction workers include plumbers, electricians, scaffolders, as well as supervisors such as foremen and chargehands (Health and Safety Executives, 2015). The construction industry in the UK has grown to yield £150 billion annually (6% of the economy) and employ 2.7 million people (8% of the national workforce; Statista, 2018). Despite its significance, the mental health of UK construction workers is challenging. Fifty-five percent of them have experienced mental health problems (i.e., depression, anxiety, and stress) in their lives, and 42% of them have suffered from mental health problems at their current workplace: both figures are more than twice of the national average (25% for lifetime occurrence and 17% for at-work h t t p s : / / j o u r n a l s. c o p m a d r i d. o rg / j wo p