The Law for Car Seats in the UK: What You Need to Know

June 15, 2022 - 12:25 am - 2 min read

Car Seat Regulations Overview

When it comes to car safety, one of the most important considerations is ensuring that children are properly secured in their seats. The UK government has established strict rules for car seats, designed to reduce the risk of injury in the event of an accident. These regulations apply to all children under 150cm in height, or roughly 11 years old.

When a Car Seat Is Needed

UK law requires children to use a car seat until they are either 12 years old or 135cm tall, whichever comes first. After that point, it is permissible for children to wear a seat belt without a booster seat, though it is generally still recommended to use one until they are tall enough to seat belt safely.

Types of Car Seats

There are three different types of car seats that are approved for use in the UK:

Rear-facing baby seats should be used for infants up to 15 months old, or until they weigh more than 13kg. After that point, they can move to a forward-facing child seat, which is appropriate for children between 9kg and 18kg. Booster seats can be used if a child is taller than 125cm or weighs more than 22kg.

Choosing the Right Car Seat

When choosing a car seat, it’s important to ensure that it is appropriate for your child’s weight and height. You can use the website of the National Childbirth Trust to find a list of recommended car seats for your child based on their age, height, and weight.

Penalties for Non-Compliance

Failure to comply with the UK’s car seat regulations can result in fines of up to £500. In addition, parents who fail to ensure that their child is properly secured in a car seat can face harsher penalties, including up to 9 penalty points on their driving licence and the possibility of disqualification from driving.


Car seat regulations in the UK exist to keep our children safe. By ensuring that you are using the correct type of seat, based on your child’s age, height, and weight, you can help to reduce the risk of injury in the event of an accident. Be sure to always follow the rules when it comes to car safety, and encourage all of the parents in your life to do the same.


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