7 Ways to Make Your Car Insurance Cheaper in the UK
Published 12th of February 2012·Updated 21 April 2026
Reviewed by: Reviewed for accuracy April 2026
Car insurance is one of the biggest unavoidable costs of driving, but most drivers pay more than they need to. By combining several of the strategies below, you could cut your annual premium by a significant amount without reducing your level of cover.
Short Summary
Shopping around at renewal is the single most effective way to reduce your premium. Insurers rely on customer inertia and often charge existing customers more than they would charge a new one.
Your voluntary excess, your car's insurance group, your annual mileage, and where you park overnight all directly affect your quote. Adjusting any of these can reduce what you pay.
Paying your premium annually rather than monthly avoids an interest charge that typically adds between 20 and 30 per cent to the total cost. If you cannot pay upfront, a 0 per cent purchase credit card is worth considering.
A black box (telematics) policy can cut premiums substantially for young or new drivers by demonstrating good driving habits to the insurer.
1. Shop around every year at renewal
Never simply accept your renewal quote. Insurers apply what is known as a loyalty penalty, meaning existing customers often pay more than new customers would for the same cover. Use comparison sites such as Confused.com, MoneySuperMarket, and Compare the Market to get multiple quotes quickly.
Once you have a cheaper quote, call your current insurer. Many will match or beat a competitor's price rather than lose your business. If they won't, switch. The whole process takes around 30 minutes and could save you £100 or more.
2. Increase your voluntary excess
Your total excess is made up of two parts: the compulsory excess set by the insurer, and a voluntary excess you choose yourself. Increasing your voluntary excess reduces your premium because you are taking on more of the financial risk in the event of a claim.
| Voluntary excess | Typical premium saving |
|---|---|
| £0 | No saving |
| £250 | 5-10% saving |
| £500 | 10-20% saving |
| £1,000 | Up to 30% saving |
Only raise your excess to an amount you could genuinely afford to pay if you needed to make a claim. There is no benefit in choosing a £1,000 excess if you do not have £1,000 available.
3. Reduce your annual mileage
The more you drive, the greater the statistical likelihood of a claim. Insurers reflect this in your premium. When you get a quote, be as accurate as possible about how many miles you drive per year. If you can reduce your mileage by working from home more or sharing commuting with colleagues, tell your insurer and ask for a revised quote.
Overstating your mileage simply costs you money. Understating it, however, can void your policy, so only report what is accurate.
4. Choose the right car for insurance purposes
Every car in the UK is assigned an insurance group by Thatcham Research, running from group 1 (cheapest to insure) to group 50 (most expensive). Performance cars, large-engined vehicles, and those with expensive parts sit in higher groups. If you are buying a new car and cost is a concern, check the insurance group before you commit.
A car's insurance group rating is easy to check using the free tool on the Thatcham Research website or any comparison site.
5. Improve where and how you park overnight
Parking your car in a locked garage overnight is the lowest-risk option from an insurer's perspective. A driveway is the next best thing. If you currently park on the street but have access to a drive or garage, update your policy details. This single change can meaningfully reduce your premium.
Security features such as a Thatcham-approved alarm, immobiliser, or steering lock can also bring the cost down, particularly for older vehicles.
6. Use a telematics (black box) policy if you are a young driver
For drivers under 25, telematics insurance is one of the most effective ways to reduce a high premium. A small device is fitted to your car, or an app is used, to monitor your speed, braking, cornering, and the times of day you drive. Insurers including Marmalade, Hastings Direct and Admiral offer black box policies.
If you drive safely and mainly during the day, your recorded data will demonstrate lower risk and your premium can fall significantly at renewal. The trade-off is that high-risk driving behaviour, particularly between midnight and 4am, can increase your costs.
7. Pay annually and maintain a good credit record
Paying monthly means taking out a credit agreement and paying interest on it. The APR on these agreements often sits between 20 and 30 per cent, adding a substantial amount to your total cost. If you can pay the full premium upfront, you avoid this entirely.
Your credit score can also influence your car insurance premium with some insurers. Maintaining a good credit record by paying bills on time and keeping credit card balances low may therefore have an indirect benefit on your quote.
Frequently Asked Questions
Does adding a named driver reduce my car insurance?
It depends on the driver. Adding an older, experienced driver with a clean record to a young driver's policy can reduce the premium because it lowers the statistical risk profile. However, the named driver must genuinely drive the car. Registering someone as the main driver when they are not is called fronting and is considered insurance fraud.
Does the colour of my car affect my insurance?
No. Car colour has no bearing on insurance premiums. The factors that matter are the vehicle's make, model, engine size, insurance group rating, and your personal driving history.
Will my premium go down after my first year?
In most cases, yes. Building up a no-claims discount (NCD) is the most powerful way to reduce premiums over time. One year of claim-free driving typically earns you around 30 to 40 per cent NCD. After five or more years, you could qualify for discounts of 60 to 75 per cent.
Does where I live affect my car insurance?
Yes, significantly. Urban postcodes, particularly those with higher rates of vehicle theft or accidents, attract higher premiums. If you are moving house, this is worth factoring into your budget.
Is fully comprehensive always more expensive than third party?
Not necessarily. Comprehensive cover protects you and the other party, whereas third party only covers others. Counterintuitively, comprehensive policies are sometimes cheaper because the profile of drivers who choose comprehensive cover tends to be lower risk than those who opt for minimal cover.