Child Age For Booster Seat Uk. As a rule children must use a suitable child car seat until they either. The child uses the integral harness in the seat until they are 18 kg or 25 kg on some seats check the seat s instruction manual and then uses the car s seat belt as with other booster seats.
Children over 12 or more than 135cm. But until one of those occur the choice of child car seat gets based on their height or weight. Booster seat age refers to the age of a child at which they are ready to move from a car seat to a booster seat.
Using a child car seat or booster seat children must normally use a child car seat until they re 12 years old or 135 centimetres tall whichever comes first.
The child uses the integral harness in the seat until they are 18 kg or 25 kg on some seats check the seat s instruction manual and then uses the car s seat belt as with other booster seats. It s legal to use booster seats or booster cushions as car seats for children but the rules differ depending on whether they re old or new. Uk law states that children must use a child car seat until they re 12 years old or 135cm 4ft 5in tall whichever comes first. The appropriate age is generally at least 5 even though many boosters start at age 4.