Guide · Cover Levels · Comprehensive

Comprehensive car insurance explained (UK 2026)

Q: Does comprehensive insurance cover me to drive other cars?

Not automatically. Driving Other Cars (DOC) cover was once common on comprehensive policies but most insurers removed it after 2020. Where it still exists it only provides third-party cover on the borrowed car — not damage to that car — and usually only for drivers over 25 in an emergency. Check your certificate: if it does not explicitly list DOC, you are not covered to drive another vehicle. To drive someone else’s car regularly, be added as a named driver or take out temporary cover.

A comprehensive car insurance policy averages £560 a year in the UK in 2026 (ABI, Q1 2026) — and, counter-intuitively, it is usually the cheapest tier you can buy. Comprehensive is the highest level of cover: it pays for damage to your own car and everyone else’s, plus fire, theft and vandalism, even when a crash is your fault. Here is exactly what it covers, what it costs and when it beats third-party.

What it covers → Compare TPFT

~£560/yr

UK average, comprehensive

3-in-1

your car + others + fire/theft

−£600/yr

vs third-party only

Direct Answer

What is comprehensive car insurance?

Comprehensive (often called “fully comp”) is the top level of UK car insurance. It covers damage to your own vehicle in an at-fault accident, damage you cause to other people and their property, and loss or damage from fire, theft and vandalism — the risks that third-party and third-party, fire & theft policies leave out. Most policies also bundle windscreen cover, emergency medical costs and a personal-accident benefit as standard.

The quirk that surprises most drivers is price. Because people who choose lower cover levels have historically made more claims, insurers treat third-party buyers as higher risk — so comprehensive is frequently the cheapest quote on a comparison screen, not the dearest. In 2026 the average comprehensive premium is £560 (ABI, policies actually sold); the quote-based Confused.com Price Index, which captures more young and high-risk drivers, sits higher at around £711. For the full picture of how premiums vary by driver, car and region, see our UK Car Insurance Cost Index.

UK car insurance cost by cover configuration — 2026

Comprehensive (£560) undercuts third-party only (£1,160) by roughly £600 a year — the highest cover is usually the lowest price.

Sources: ABI 2026 Motor Premium Tracker (comprehensive £560), MoneySuperMarket and Uswitch 2026 cover-level indices, and Car Insurance Expert composite quote sample.

Cover configuration	Avg annual premium	What it means
Third party only (TPO)	£1,160	Legal minimum; smallest, higher-risk pool
Third party, fire & theft	£690	Adds fire and theft to third-party
Comprehensive + breakdown & legal	£635	With the two most popular add-ons
Comprehensive (standard)	£560	ABI Q1 2026 sold-policy average
Comprehensive, £500 voluntary excess	£505	Higher excess traded for a lower premium

Sources: ABI 2026 Motor Insurance Premium Tracker, MoneySuperMarket and Uswitch 2026 cover-level data, and Car Insurance Expert composite quote sample. Figures are representative UK averages; your own quote depends on car, postcode, age and history. Refresh: 2026-10-14.

What It Covers

Comprehensive vs TPFT vs third-party only

The three legal cover levels stack on top of each other. Every tier includes third-party liability (it is the legal minimum to drive on a UK road); each step up adds more protection for your car:

Risk covered	Third party only	Third party, fire & theft	Comprehensive
Injury/damage to other people	Yes	Yes	Yes
Fire damage to your car	No	Yes	Yes
Theft of your car	No	Yes	Yes
At-fault damage to your car	No	No	Yes
Vandalism to your car	No	No	Yes
Windscreen repair/replacement	No	Usually no	Usually yes
Personal accident / medical benefit	No	No	Usually yes

Sources: ABI cover-level definitions, Aviva and Tesco Insurance policy summaries 2026. Exact inclusions vary by insurer — always read the policy’s IPID document.

Because comprehensive is usually the cheapest of the three, the main reason to buy anything less is a very low-value car where even a small premium saving matters. If you have a car loan or PCP/HP finance, the agreement almost always requires comprehensive cover.

Standard vs Add-On

What is included — and what is a paid extra

“Comprehensive” is not a fixed shopping list; insurers bundle different things as standard. Typically included in a 2026 comprehensive policy:

Windscreen cover — stone-chip repair often has a £0–£10 excess; a full replacement usually carries a £75–£150 excess.
Emergency treatment & personal accident — a fixed benefit for the driver, commonly up to £5,000.
Cover to drive at-fault — your own repairs are paid even when the crash is your mistake.
New-car replacement — many insurers replace a written-off car less than 12 months old with a brand-new equivalent.

Commonly not included unless you pay extra:

Guaranteed courtesy car — a basic loan car is often included, but a like-for-like model is an add-on.
Breakdown cover — roadside/recovery is a separate product (~£30–£60/year bundled).
Motor legal protection — funds the cost of recovering your losses after a non-fault crash (~£25–£35/year).
Personal belongings & key cover — often excluded or capped at a low sub-limit.

Key exclusions to know: wear and tear and mechanical failure are never covered; using the car for undeclared business or food delivery can void a claim; and leaving keys in an unlocked car typically invalidates theft cover. Always check the Insurance Product Information Document (IPID) before you buy.

Common Questions

Comprehensive car insurance FAQs

Why is comprehensive car insurance often cheaper than third party?

It sounds backwards, but comprehensive is frequently the cheapest quote. Insurers have decades of data showing that drivers who deliberately choose the lowest cover level tend to make more claims, so third-party-only and TPFT policies are priced for a higher-risk pool. Choosing comprehensive can actually signal lower risk. In 2026 the average comprehensive premium is around £560 versus roughly £1,160 for third-party only. Always run a quote for all three levels — never assume less cover means a lower price.

What does comprehensive car insurance actually cover?

Comprehensive covers four things: injury and damage you cause to other people and their property (third-party liability), fire damage to your own car, theft of your car, and accidental damage to your own car — including when the crash is your fault. Most policies add windscreen cover, vandalism, emergency medical treatment and a personal-accident benefit as standard. It is the only tier that pays for your own repairs after an at-fault accident.

Does comprehensive insurance cover me to drive other cars?

Not automatically. “Driving Other Cars” (DOC) cover was once common on comprehensive policies but most insurers removed it after 2020. Where it still exists it only provides third-party cover on the borrowed car — not damage to that car — and usually only for drivers over 25 in an emergency. Check your certificate: if it does not explicitly list DOC, you are not covered to drive another vehicle. To drive someone else’s car regularly, be added as a named driver or take out temporary cover.

Is a courtesy car included with comprehensive cover?

Usually a basic courtesy car is included while your car is being repaired at an insurer-approved garage — typically a small three-door hatchback such as a Ford Ka or similar. It is not guaranteed if your car is written off or stolen, and it is rarely like-for-like. If you rely on a larger or specific vehicle, add “guaranteed” or “like-for-like” courtesy-car cover as an extra. Always confirm what triggers the courtesy car in your policy wording.

Does comprehensive cover windscreen damage?

Most comprehensive policies include windscreen cover as standard, though a few treat it as an optional add-on. A stone-chip repair often carries a small excess of £0–£10, while a full windscreen replacement usually has a higher excess of £75–£150. Using an insurer-approved glass repairer normally means no impact on your no-claims discount. Check whether your policy caps non-approved repairer claims, and whether sunroofs or panoramic roofs are excluded.

Do I need comprehensive if my car is on finance?

Almost always yes. PCP, hire-purchase and most personal car loans require you to hold comprehensive cover for the life of the agreement, because the finance company technically owns the car until the final payment and needs its value protected against accident, fire and theft. Dropping to TPFT or third-party while financed usually breaches the contract and can trigger a default. If your car is written off, consider GAP insurance too, as the payout may be less than the outstanding finance.

What is not covered by comprehensive car insurance?

Comprehensive is broad but not unlimited. It does not cover general wear and tear, mechanical or electrical breakdown, or gradual deterioration. Claims can be refused for driving without a valid licence, using the car for undeclared business or delivery work, or leaving the vehicle unlocked with the keys inside. Damage caused by a driver not named on the policy is usually excluded, and personal belongings are often capped or excluded. Read the policy’s IPID and key facts document for the exact exclusions.

How can I lower the cost of a comprehensive policy?

Raising your voluntary excess (for example from £150 to £500) can cut the premium 8–15%, but only commit to an excess you could actually pay after a claim. Paying annually rather than monthly avoids interest of around 20–30% APR. Building and protecting a no-claims discount, keeping mileage accurate, adding a low-risk named driver and improving security all help. And because comprehensive is often cheapest anyway, always compare it against TPFT rather than assuming less cover is cheaper. See our cost index for the factors that move premiums most.

Our sources

ABI 2026 Motor Insurance Premium Tracker — average comprehensive premium of £560 (Q1 2026, policies sold)
Confused.com Price Index (Q1 2026) — quote-based average of ~£711 and market trend
MoneySuperMarket & Uswitch 2026 cover-level data — premium comparison across TPO, TPFT and comprehensive
Association of British Insurers — cover-level definitions and claims data
Aviva & Tesco Insurance policy summaries (2026) — standard inclusions, windscreen and courtesy-car terms
Car Insurance Expert composite quote sample — 2026 configuration pricing across major UK insurers

Reviewed by the Car Insurance Expert editorial team

Reviewer: Car Insurance Expert editorial team (motor insurance analysts). Methodology: cover-level figures are compiled from ABI, Confused.com, MoneySuperMarket and Uswitch published data plus our own multi-insurer quote sampling, refreshed quarterly. We do not sell insurance and have no insurer affiliation influencing these figures.

Questions or corrections: editorial@carinsuranceexpert.co.uk

Last updated: 2026-07-14 · Next scheduled review: 2026-10-14

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