Who Is at Fault in a Car Accident?

5/18/2026
Who Is at Fault in a Car Accident? - Rooster

Being involved in a collision can be stressful, and one of the first questions most drivers ask is: who is at fault in a car accident? The answer matters because it affects who pays for the repairs, whether your no claims discount is impacted, and whether your insurance premium could increase.

In the UK, insurers look at the evidence available to decide which driver was responsible for the incident.

How Insurers Determine Fault

When you report an accident, your insurer will gather as much information as possible before making a decision. This may include:

  • Statements from both drivers
  • Photos of the damage and accident scene
  • Dash cam footage
  • Witness statements
  • Police reports
  • CCTV footage

The insurer will compare the evidence against the Highway Code and road traffic laws.

Common Situations Where Fault Is Usually Clear

In some accidents, responsibility is relatively straightforward.

Rear-End Collisions

In most cases, the driver who hits the car in front is considered at fault because they were expected to leave enough stopping distance.

Pulling Out at a Junction

If a driver pulls out and hits another vehicle, they are usually held responsible for failing to give way.

Lane Changes

Drivers changing lanes must ensure it is safe to do so. If they collide with another vehicle, they are typically considered at fault.

Reversing Accidents

The driver reversing is often held responsible unless evidence shows otherwise.

This is because the Highway Code places a duty on drivers to make sure the way is clear before moving backwards. Whether you are reversing out of a driveway, parking space or side road, you must check your mirrors, look over your shoulder and give way to any vehicles, cyclists or pedestrians already in the road.

Split Liability

Sometimes both drivers share responsibility. For example, one driver may have been speeding while the other failed to check properly before turning. In these cases, liability might be split 50/50 or in another proportion.

What If You Disagree?

If you believe the insurer’s decision is unfair, you can provide additional evidence and ask them to review the claim.

How Rooster Can Help

Rooster includes free Accident Assist for non-fault claims. You may receive £50 cashback, a same-day replacement vehicle, and no excess to pay if the accident was not your fault.

Rooster also compares quotes from over 100 providers, offers breakdown cover from just £2.99 per month, and helps you save up to 50% on MOTs, services, and repairs.

Download the Rooster app today to make managing accidents and insurance much simpler.

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