While increasingly popular for their aesthetic appeal and energy efficiency, reflective materials may also create harsh glare, disorientation, and psychological strain. Despite their prevalence in modern architectural design, the impact of these facades on mental well-being remains underexplored. Drawing from environmental psychology and perceptual science, this study assesses how different reflective materials influence both visual perception and psychological response, particularly among residents and students in Leicester. Two contrasting case studies, the reflective metal Highcross centre facade and the reflective glass Mattioli Woods PLC facade, served as focal points. Using a structured online questionnaire incorporating visual stimuli and Likert-scale questions, responses from 30 participants were analysed using descriptive and statistical analysis (i.e., one-way ANOVA) to determine differences in visual discomfort (due to brightness, glare, or shine), visual attractiveness, visual disorientation, and perception of the surroundings, as well as the associated physiological responses such as stress, tension, and mood. Results show that the Highcross Centre facade was consistently perceived as more visually discomforting and disorienting than the Mattioli Woods facade, with statistically significant differences. However, both facades were rated similarly high for visual interest, suggesting that aesthetic value can coexist with discomfort. Finally, the analysis shows that buildings’ reflective facades evoke only low levels of perceived stress, tension, or unease, with median scores remaining low overall. These findings highlight the importance of human-centred facade design, suggesting that, as cities adapt to climate change, architects and urban planners consider not only environmental performance but also perceptual and psychological effects.
Joslyn et al. (Wed,) studied this question.