One of the most vital aspects of office design is lighting. It is often overlooked by businesses that do not realize that it has a huge effect on the well-being and productivity of their employees. Natural daylight not only helps us to synthesize Vitamin D but is also crucial to a human being’s circadian rhythm; not getting enough sunlight can make people feel tired and sluggish and is often the driving factor behind Seasonally Affected Disorder (SAD) which seems to be so prevalent among the population in northerly countries. Feeling tired brings with it an increased intake of caffeinated drinks and therefore more toilet breaks. By simply placing desks near window areas of building or painting the wall lighter colours to make the most of the light can make a big difference. This Chiswick letting agent did just that and can certainly vouch for the positive effect it has had on staff.