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Fully Comprehensive Car Insurance: Complete UK Guide

Fully comprehensive car insurance offers the highest level of protection available for UK drivers. Despite the name suggesting a premium price, comprehensive cover is often competitively priced – and can sometimes cost the same as, or less than, basic third party insurance[1]. This guide explains what's covered, what it costs, and how to get the best deal.

£551 Average UK comprehensive premium – Q3 2025[2]
28m Comprehensive policies sold annually in the UK[2]
130+ Insurers compared via Brumble

What Does Comprehensive Car Insurance Cover?

Comprehensive car insurance combines the legal third party cover (protecting others if you cause an accident) with extensive protection for your own vehicle, regardless of who is at fault. The terms "fully comprehensive" and "comprehensive" mean the same thing[3].

🚗 Accidental Damage
🔓 Theft
🔥 Fire Damage
🌊 Weather Damage
🛡️ Third Party Liability

Most comprehensive policies also include windscreen cover (repair or replacement with reduced excess), personal accident benefits, medical expenses, limited cover for personal belongings stolen from your car (typically £100-500), EU driving cover (usually 30-90 days), and audio equipment protection.

The Three Levels of Car Insurance

UK law under the Road Traffic Act 1988 requires all drivers to have a minimum of third party insurance[4]. There are three levels of cover available:

Third Party Only

Legal minimum

  • Injury to other people
  • Damage to other vehicles
  • Damage to property
  • ❌ No cover for your car

Third Party, Fire & Theft

Mid-tier protection

  • All third party cover
  • Theft of your vehicle
  • Fire damage to your car
  • ❌ No accident damage cover

💡 The comprehensive vs third party paradox

Surprisingly, comprehensive insurance is often cheaper than third party cover, particularly for experienced drivers with good records. This happens because insurers associate comprehensive buyers with lower risk – they're protecting an asset. Third party is sometimes chosen by higher-risk drivers looking for minimum cover, so the risk pool is different[1]. Always compare actual quotes for all three levels rather than assuming third party will be cheapest.

How Much Does Comprehensive Insurance Cost?

£551 Average UK comprehensive premium – down 10% year-on-year (Q3 2025)[2]

Premiums have fallen for three consecutive quarters in 2025 after peaking at £635 in Q1 2024[2]. However, costs vary significantly based on individual circumstances:

Factor Impact on Premium Typical Range
Age (under 25) Substantially higher £1,500 - £2,500+[5]
Age (over 50) Below average £300 - £500[5]
Location (London) Highest in UK 40-60% above national average[6]
Location (South West) Lowest in UK 20-25% below national average[6]
5-year no claims bonus Major reduction Up to 60-75% discount[7]
Insurance group 1-5 Low premium £300 - £600 (experienced drivers)
Insurance group 30-50 High premium £1,000 - £4,000+

Motor insurers paid out a record £11.7 billion in claims in 2024[2], with repair costs accounting for 64% of total payouts. The increasing complexity of modern vehicles – packed with sensors, cameras, and integrated systems – means even minor repairs are more expensive, which keeps pressure on premiums even as headline averages fall.

Understanding Your Excess

With comprehensive insurance, you'll pay an excess towards any claim. This has two parts:

£0 Voluntary excess ↑ Higher premium
£250 Voluntary excess ↔ Balanced
£500 Voluntary excess ↓ Lower premium

Your compulsory excess (set by the insurer, often £100-300) is added to whatever voluntary excess you choose. A higher voluntary excess reduces your premium but increases what you pay out of pocket if you claim. Choose an amount you could comfortably afford.

What Isn't Covered?

Even with comprehensive cover, there are important exclusions to be aware of:

Not Covered Why
Driving under the influence Drink or drug driving invalidates all cover
Uninsured drivers using your car Only named/permitted drivers are covered
Deliberate damage Intentional damage to your own vehicle is excluded
Wear and tear / mechanical Normal deterioration and breakdowns aren't insurance matters
Business use (unless declared) Standard policies cover social, domestic, and pleasure only
Driving other cars Check your certificate – this isn't automatic on all policies

Is Comprehensive Insurance Worth It?

For most drivers, yes. Comprehensive insurance is recommended if your car is worth more than £2,000-3,000, if you couldn't afford to replace it out of pocket, if you have finance or a lease agreement (where comprehensive is usually required), or if you simply want the most extensive protection available. The price difference between comprehensive and third party is often surprisingly small – sometimes just £50-150[1].

Common Optional Extras

🔧 Breakdown Cover
🚘 Courtesy Car
🛡️ Protected NCB
⚖️ Legal Expenses
🔑 Key Cover

Many insurers bundle some extras into their comprehensive policies as standard, while others offer them as paid add-ons. When comparing quotes, check what's included – a slightly more expensive policy with breakdown cover and a guaranteed courtesy car may offer better overall value than a bare-bones policy plus separate add-ons.

How You Could Save Money on Comprehensive Cover

✅ Proven ways to reduce your premium

  • Compare multiple quotes – Prices vary by hundreds of pounds between insurers for identical cover. Never accept a renewal without comparing first.
  • Build your no claims bonus – Each claim-free year reduces your premium. After five years, discounts typically reach 60-75%[7]. Our NCB protection guide explains whether paying to protect your discount is worthwhile.
  • Choose a lower insurance group car – Small, reliable cars in groups 1-10 are significantly cheaper to insure than performance models. Our cheapest cars to insure guide lists the best options.
  • Increase security – Thatcham-approved alarms, immobilisers, and trackers can reduce premiums by 5-15%[8]. A dash cam provides evidence in disputed claims.
  • Park in a garage or driveway – Secure overnight parking reduces both theft risk and your premium.
  • Limit your annual mileage – Lower mileage means lower risk. Our average mileage guide helps you estimate accurately.
  • Pay annually – Monthly payments add interest at typically 20-30% APR[9]. Paying in full saves you a significant amount over the year.
  • Consider telematics – Safe drivers can save 25%+ with a black box policy, especially if you're under 25.

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Sources

  1. Association of British Insurers (ABI): Comprehensive vs Third Party – Pricing Data and Risk Pool Analysis (2024)
  2. Association of British Insurers (ABI): Motor Insurance Premium Tracker – Q3 2025 (based on nearly 28 million policies sold annually)
  3. Association of British Insurers (ABI): Types of Motor Insurance Cover – Consumer Guidance
  4. UK Government: Road Traffic Act 1988, Section 143 – Requirement for Motor Insurance
  5. Association of British Insurers (ABI): Age and Motor Insurance – Premium Data by Age Group
  6. Quotezone: Car Insurance Price Index – Regional Analysis (2024-2025)
  7. Association of British Insurers (ABI): Understanding No Claims Discount – Consumer Guidance (2024)
  8. Thatcham Research: Vehicle Security Systems and Insurance Discounts
  9. Financial Conduct Authority: Premium Finance Principles and Payment Methods in Motor Insurance (2024)

*51% of consumers could save £518.14 on their Car Insurance. The saving was calculated by comparing the cheapest price found with the average of the next four cheapest prices quoted by insurance providers on Seopa Ltd's insurance comparison website. This is based on representative cost savings from June 2025 data. The savings you could achieve are dependent on your individual circumstances and how you selected your current insurance supplier.

Brumble FAQs.

Find answers to common questions about full comprehensive car insurance.

Fully comprehensive car insurance is the highest level of cover available for UK drivers. It protects you against damage to other people's vehicles and property, just like third party cover. But it also covers your own car if it's damaged in an accident, even if the accident was your fault. Comprehensive policies typically include protection against theft, fire, vandalism, and weather damage too.
A comprehensive car insurance policy usually covers third party liability, accidental damage to your own vehicle, theft, fire damage, vandalism, and weather-related damage like floods or storms. Most policies also include windscreen repair or replacement, personal accident benefits, and limited cover for personal belongings stolen from your car. Some insurers include European driving cover as standard.
Not always. In many cases, fully comprehensive car insurance can cost the same or even less than third party only cover. This is because insurers see drivers who choose comprehensive policies as lower risk. They're protecting an asset, which suggests more careful driving. Always compare actual quotes rather than assuming third party will be cheaper.
Even with comprehensive cover, there are exclusions. Your policy won't cover you if you're driving under the influence of alcohol or drugs. Deliberate damage to your own vehicle isn't covered, nor is general wear and tear or mechanical breakdowns. Driving for business purposes usually isn't included unless you've added it to your policy. Always check your policy documents for the full list of exclusions.
Third party fire and theft insurance covers damage you cause to others, plus theft and fire damage to your own car. Fully comprehensive cover includes all of this, plus accidental damage to your own vehicle regardless of who was at fault. Comprehensive also typically covers vandalism, weather damage, and windscreen repairs. For drivers with cars worth more than a few thousand pounds, comprehensive usually offers better value.
Yes, most car finance agreements require you to have fully comprehensive car insurance. This applies to PCP, HP, and lease agreements. The finance company has a financial interest in your vehicle until it's paid off, so they need to know it's protected against damage, theft, and write-offs. Check your finance agreement for specific insurance requirements.
Excess is the amount you pay towards any claim on your comprehensive policy. There are two types. Compulsory excess is set by your insurer and is usually between £100 and £300. Voluntary excess is an amount you choose to pay on top of that. Choosing a higher voluntary excess lowers your premium, but means you pay more if you need to make a claim. Pick an amount you could comfortably afford.
Not automatically. Driving other cars cover, known as DOC, used to be a common feature but most insurers have removed it from standard policies. If your policy does include it, you'll typically only have third party cover when driving someone else's vehicle. Never assume you're covered to drive another car. Check your certificate of motor insurance to see exactly what's included.
There are several ways to reduce your comprehensive car insurance premium. Comparing quotes from multiple insurers is the most effective way to find a better price. You can also increase your voluntary excess, improve your car's security with an approved alarm or tracker, reduce your annual mileage, and build up your no claims bonus. Parking in a garage or on a private driveway can also help lower your quote.
Brumble connects you with a comparison tool that searches over 130 UK car insurance providers in minutes. Simply enter your details once and you'll see comprehensive car insurance quotes from a wide panel of insurers. The results show you prices and cover levels side by side so you can make an informed choice. The service is free to use with no obligation to buy.
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