UK Window Tinting Laws
Certain laws apply to the front windows and windscreen when tinting your car. No laws apply to tint fitted on the rear windows and rear windscreen.
The Road Vehicles (Construction & Use) Regulations 1986 specify the minimum levels of light that must pass through the windscreen and front side windows. The limits are:
Motor Vehicles first used before 1 April 1985:
The windscreen and front side windows must allow at least 70% of light to be transmitted through them.
Motor Vehicles first used on or after 1 April 1985:
The light transmitted through the windscreen must be at least 75%.The front side windows must allow at least 70% of light to be transmitted through them.
Please download the VOSA Guide to tinted windows for more information.