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Seatbelt laws

Seatbelt Laws in the UK 2025

Quick answer

In the UK, seatbelts are mandatory for all occupants. Fine is up to £500. Children under 12 or 135cm must use appropriate child car seats. Driver is responsible for passengers under 14.

Last updated: 6 January 2026

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Table of contents

Seatbelt laws in the UK

General rules

Mandatory in front and rear
Fine: Up to £500
Driver responsible for under 14s

Child seat requirements

Age/Height	Requirement
Under 3	Child seat always
3-12 AND under 135cm	Child seat in cars
12+ OR over 135cm	Adult seatbelt

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Exemptions

Medical exemption certificate
Delivery drivers (frequent stops)
Reversing
Driving instruction (instructor)

Taxi rules

Front seat: seatbelt required
Rear seat: adult passenger chooses
Children: seat required if available

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