If your car is written off or stolen, your motor insurer only pays its current market value as an insurance payout, which can be thousands of pounds less than the price you paid or what's still outstanding on a finance agreement. Return to Invoice cover, combined with GAP insurance, covers that shortfall by paying the difference between your insurer's settlement and the higher of either your original purchase price or your outstanding finance balance.
This shortfall is often called negative equity: the point where your car is worth less than the amount you still owe on it. Cars lose value quickly, and finance is usually paid off more slowly, so for the first few years many drivers owe more than the car would fetch. If it is written off in that window, the insurer's payout may not even clear the finance, leaving you paying for a car you no longer have. This is the exact gap RTI and Finance GAP cover is built to close.
Chris Knott Insurance arranges RTI and GAP cover from £139 for three years, covering new and used vehicles up to 10 years old and valued up to £125,000, with up to £500 of your motor insurance excess reimbursed on top.
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When a car is written off, settlement is based on market value, which factors in depreciation and mileage rather than what a new car actually costs. Say a car bought for £24,000 is only worth £17,000 eighteen months later, with £19,000 still owed on it: without this cover, the owner absorbs that gap themselves, and with it, the policy tops up the payout to whichever figure is higher, what was paid for the car or what's still owed. It's this comparison, rather than a fixed payout, that decides how much a claim is worth.
How the cover helps depends a little on how you bought the car:
GAP insurance is not a single product. It's a family of covers, each closing the gap in a slightly different way:
The Chris Knott policy combines Return to Invoice and Finance GAP in one, so it works whether you bought outright or on finance, paying back to your invoice price or your outstanding balance, whichever is higher. That covers the two situations most drivers actually face. If you lease your car or want replacement-cost cover specifically, it's worth telling us, so we can talk through whether this policy suits you before you buy.
Some new cars include a period of new-for-old cover as part of the manufacturer's warranty, typically for the first year, which can reduce the need for a separate policy during that window. It's worth checking what's already included before buying the cover on top of it. If you bought outright with nothing owed and you're comfortable absorbing any future shortfall yourself, this kind of cover is a genuine choice rather than a requirement, since nothing legally obliges you to have it.
Cover pays out in the event of a total loss, whether the car is written off after an accident or stolen and not recovered, topping up the insurer's payout to whichever is higher, the original invoice price or what's still owed. Up to £500 of your car insurance excess is typically reimbursed as part of the same claim, and a temporary replacement vehicle can usually be arranged while everything is settled. Cover generally applies across Europe as well as the UK, so being caught out abroad doesn't leave you any less protected. A return to invoice GAP insurance policy like this is designed to cover the difference in full up to the limits set out in your policy document, and most providers pay the difference directly to you or your finance company rather than leaving you to chase two separate settlements.
A few conditions decide whether a car can be covered:
These limits are why buying the cover sooner rather than later usually keeps more options open. A car edges past the age, mileage or purchase-window thresholds over time, so a policy that fits comfortably today may not qualify in a year or two. If you are unsure whether your car falls inside these limits, our team can check before you commit.
As well as the eligibility limits above, there are cases where this cover may not be appropriate. A car already over 10 years old or worth more than £125,000 will usually fall outside the policy.
Some vehicle types also need checking before cover is arranged, rather than being assumed in. If your vehicle is used commercially, has been modified beyond standard specification, or was imported, tell us when you enquire so we can confirm whether it can be covered and on what terms. It is better to check upfront than to find a gap at claim time.
Because Chris Knott arranges this alongside the rest of your motor cover, it can be set up to match your car's actual price or what's owed on it, rather than a generic estimate. We're a UK-based broker that's been arranging cover since 1983, with a 4.9-star Trustpilot rating from over 2,200 reviews you can check yourself, and we're not on the comparison sites. We're authorised and regulated by the Financial Conduct Authority (FRN 304452), and you can verify that on the Financial Services Register at register.fca.org.uk.
Cover starts from £139 for three years, though the exact price depends on the vehicle's value, age, and how the cover is structured against what you paid or what's owed. Buying at the time you get the car, or shortly after, generally gives more options than waiting, since some providers set a window after purchase within which the policy has to be taken out.
Yes, cover isn't limited to financed vehicles. Without a loan involved, it pays the difference between the insurer's settlement and what you originally paid, so cash buyers get the same basic protection against depreciation, just measured against what they actually paid rather than what they owe.
A total loss is when your motor insurer decides a car is uneconomical to repair, or it's stolen and not recovered, and settles the claim on that basis rather than repairing the vehicle. This is the point at which RTI and GAP cover responds, topping up whatever your motor insurer pays out under your main policy rather than replacing that payout.
You can make a claim by contacting our team directly, and we'll talk you through what's needed. It's worth doing this once your motor insurer has confirmed the settlement figure, since the claim is calculated against that figure rather than being processed independently of it.
Dive into our Knowledge Hub to explore easy-to-read articles on all things motor insurance - from breakdown cover and agreed value policies to the latest news, tips on excess, no-claims bonuses and more. It’s our way of empowering you with insight - because informed drivers make better coverage choices.
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*Chris Knott Insurance is authorised and regulated by the Financial Conduct Authority (FRN 304452). You can check this on the Financial Services Register at register.fca.org.uk.*
