Your UK car insurance won't cover an ocean voyage. Here's what marine transit insurance costs, what it covers, and how to avoid being under-insured.
Why Your Normal Car Insurance Doesn't Apply
Standard UK motor insurance policies are written for road use and specifically exclude sea transit, so once your vehicle is handed over at the port it is, in insurance terms, uninsured unless you've arranged separate cover. Marine transit insurance (sometimes called cargo insurance) is a distinct product designed to cover loss or damage while the vehicle is in the custody of the carrier — from the moment it's loaded until it's collected at destination. Most shipping companies offer this as an add-on, but you can also buy it independently through a marine insurance broker, which sometimes works out cheaper for high-value vehicles.
Typical Costs in 2026
Marine transit insurance typically costs 1-2% of the vehicle's declared value, though rates vary by route and shipping method. A £15,000 car might cost £150-£300 to insure for a RoRo crossing to West Africa, while the same vehicle shipped in a container to Australia might cost slightly less proportionally given the reduced handling risk. High-value or classic cars often attract a flat minimum premium regardless of percentage, commonly £100-£150, so always ask for an exact quote rather than assuming the percentage rate applies uniformly.
What's Covered and What Isn't
Standard marine transit cover protects against total loss (such as the vessel sinking, which is rare but not impossible), fire, and physical damage caused by handling, dropping or securing failures during loading and unloading. Most policies exclude pre-existing damage, mechanical or electrical failure not caused by an insured event, and damage from improperly disclosed modifications. Cosmetic wear such as minor scuffs from lashing straps is sometimes excluded too — read the policy wording carefully or ask your broker to clarify before shipping, particularly if the car is a show-condition classic covered separately under our carnet guide for multi-border trips.
Declared Value: Getting It Right
Your premium and any eventual payout are both based on the declared value, so under-declaring to save a few pounds on premium can leave you badly out of pocket if the car is damaged or lost. For a car with an agreed market value, use a recent independent valuation, sales invoice, or classic car appraisal. Insurers may ask for supporting evidence such as photographs, an MOT certificate, or a professional valuation letter for anything above roughly £20,000.
Making a Claim
If damage occurs, notify the shipping line and your insurer within the timeframe stated in the policy — often as little as 3-7 days after collection — and do not sign a clean release form at the destination port if there is visible damage; note it on the delivery paperwork immediately. Provide your pre-shipment photographs, the delivery condition report, and repair estimates from an independent garage. Straightforward claims are typically settled within 4-8 weeks, though disputed or high-value claims can take longer.
Reducing Your Insurance Cost Without Cutting Cover
Choosing container shipping over RoRo reduces handling exposure and can lower premiums slightly. Bundling insurance with your shipping booking sometimes secures a discounted rate compared with buying separately, though it's always worth comparing an independent marine broker quote too. Finally, ensure your declared value reflects genuine market value — insurers price risk accurately, and an honest declaration is usually cheaper in the long run than either over- or under-insuring.
Frequently Asked Questions
Does my UK car insurance cover shipping overseas?
How much does marine transit insurance cost?
What isn't covered by marine transit insurance?
How long do claims take to settle?
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Written by
Zahir
SEO & Logistics Expert
Zahir is a seasoned SEO strategist and content writer specializing in international logistics, vehicle shipping, and automotive culture. With over a decade of experience in the shipping industry, he provides expert insights to help customers navigate the complexities of international vehicle transport.