What Is Negligence? The 4 Elements: Duty, Breach, Causation & Damage
Quick answer
Negligence is a failure to take reasonable care that causes real harm to someone else. To win a negligence claim, you must prove four elements: a duty of care, a breach of that duty, causation linking the breach to the harm, and actual damage such as injury, property damage or financial loss. If one element is missing, there is no case.
The story in the video
Our very careful lawyer explains negligence by doing the one thing he warns against: mopping the floor, skipping the warning sign — and slipping on it himself. In under a minute, he walks through every element a claimant needs to prove.
The 4 elements of negligence
- Duty of care: the defendant owed you reasonable care — like a shop owner keeping the floor safe for customers.
- Breach: they fell below the standard of a reasonably careful person — no warning sign on a wet floor.
- Causation: the breach actually caused the harm, and the harm was not too remote.
- Damage: you suffered a real loss — an injury, damaged property, or money lost.
All four are needed. A careless act that harms nobody is not a negligence claim, and neither is a harm that wasn't caused by the careless act.
Where negligence comes from
Negligence is a central part of the common law of tort. Its modern form traces back to Donoghue v Stevenson (1932), the "snail in the bottle" case, which established that we owe a duty of care to people we can reasonably foresee being harmed by our actions. Civil-law countries reach similar results through general rules on fault-based liability, such as those in the French Civil Code and the German Civil Code.
Negligence vs breach of contract
Negligence doesn't need a contract: it covers harm caused to anyone you owe a duty of care. Breach of contract is about failing to do what you specifically agreed to do. In business, both can apply to the same facts — for example, a contractor who does careless work may be liable for breach of contract to the client and in negligence to a third party who gets hurt.
Negligence in business
- Professional negligence: an accountant, lawyer or surveyor who fails to meet the standard of their profession.
- Negligent misstatement: careless advice or information that someone relies on and loses money because of it.
- Product and premises liability: unsafe goods or unsafe workplaces.
Pure financial loss is often harder to recover in negligence than physical injury or property damage, and many countries reduce damages if the claimant was partly at fault.
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Frequently asked questions
What is negligence in simple terms?
It is a failure to take reasonable care that causes real harm to someone else.
What are the 4 elements of negligence?
Duty of care, breach of that duty, causation, and damage. You must prove all four to win a negligence claim.
What is a duty of care?
It is a legal obligation to take reasonable care to avoid harming people who could foreseeably be affected by what you do, such as customers, visitors or clients.
What is the difference between negligence and breach of contract?
Negligence is a breach of a general duty of care and doesn't need a contract. Breach of contract is failing to do what you specifically promised in a contract.
Can a business be liable for negligence?
Yes. Businesses can be liable for unsafe premises, defective products, and careless professional work or advice that causes loss.
What happens if the claimant was partly at fault?
In many countries, the court reduces the damages in proportion to the claimant's own share of the blame, often called contributory negligence.
This guide is general information, not legal advice. Rules vary by country — speak to a qualified lawyer about your situation.
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