2009: Legislation was introduced banning retailers from selling tungsten lighting for domestic use. Retailers are still permitted to sell tungsten for use in theatres, which are exempted from the ban. The new legislation was phased in gradually over a number of years.
2013: Lighting designers lobbied manufacturers to continue producing tungsten lamps. Brands including Philips gave assurances that production would continue.
January 2018: The European Union is considering new legislation removing the exemption of entertainment lighting, which would mean that by 2020 theatres would no longer be able to buy new tungsten lamps.
May 2018: Industry leaders realised the new regulations would not only affect tungsten lighting, but in fact the vast majority of lighting used in theatre.
May 7, 2018: A public consultation on the EU regulations ends.