Window Tinting Laws in the UK

The Law:

First the easy bit - UK Law states that there are no restrictions at all for tinting rear side windows or the rear windscreen. 

Front side windows and the front windscreen are subject to restrictions, however, and these vary slightly depending on when the car was first used.

Vehicle was first used on or after 1 April 1985

The front windscreen MUST allow a minimum of 75% light through and the front passenger windows; front side windows MUST allow a minimum of 70% light through.

Vehicle was first used before 1 April 1985

Both the front windscreen and front side windows MUST allow a minimum of 70% light through.

Penalties for incorrectly tinted windows

Firstly, it's worth mentioning that it's not just the car owner who could get into trouble for breaking the rules. If you fit or sell incorrectly tinted glass for a car, you could also be in trouble with the police.  

If the police or Driver and Vehicle Standards Agency (DVSA) suspect a car of having illegally tinted windows, they'll measure the level of light passing through the glass with special equipment. If your windows break the rules you could:

  • be served with a Prohibition Notice, stopping you from using your car until the window tints have been removed
  • receive a court summons or penalty notice.

Why are there window tinting rules?

The reason for window tinting rules is to make sure a driver's visibility is not impeded by tints that are too dark. In some serious accidents, tinted windows have been thought to be a contributory factor. 

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