Agreed value insurance, explained

By British Classic Cars · Last reviewed May 25, 2026

Part of our guide: British classic car glossary

Agreed value insurance is the policy structure that classic-car specialists offer in place of standard “market value” cover. The core difference is straightforward: under an agreed value policy, you and the insurer agree what the car is worth before any claim arises, and the agreed figure is what the policy pays out if the car is written off.

The arrangement is essential for classic cars because the “market value” approach used by mass-market motor insurance was designed for depreciating modern cars. It doesn’t work well for a 1965 Jaguar E-Type, where market values can change dramatically year-to-year and aren’t reflected in standard trade-price guides the way a five-year-old hatchback is.

Why classic owners want it

The risk that agreed value cover protects against is a specific one: that after a total-loss claim, the insurer pays out an amount the owner considers unreasonably low based on a market-value assessment they disagree with. The arguments that follow can be protracted and unsatisfying, and the burden of proof effectively sits with the owner to demonstrate the car was worth more.

Agreeing the value upfront moves that argument out of the post-incident phase and into the policy-setup phase, where both parties can engage with it calmly. Once the value is agreed, the insurer has committed to it. There’s no after-the-fact valuation dispute.

For most classic-car owners, that change is the entire point of buying a specialist policy. The premium difference vs mass-market cover is usually small, and the peace of mind is significant.

How the value gets agreed

The process varies by insurer, but the typical pattern is:

1. The owner proposes a value. Usually based on recent auction results for comparable cars, classified-listing prices, marque-club price-guide data, or a professional valuation.
2. The insurer reviews. They have their own data (Hagerty, in particular, runs its own UK price-guide research) and will either accept the proposed value, propose a different value, or ask for supporting evidence.
3. Documentation is supplied. Photos (interior, exterior, engine, underside) are standard; some insurers ask for a condition report from a recognised inspector for higher-value cars; documentation of recent restoration work, service history, and provenance helps.
4. The agreed figure is written into the policy. It appears on the policy schedule alongside the other policy details.

For cars under about £20,000, the process is usually documentation-only and can be completed online. For higher-value cars (£50,000+), a professional inspection may be required.

What “total loss” means

A total-loss claim is one where the insurer determines the cost of repairing the car would exceed its insured value, or where the car has been stolen and not recovered. In those circumstances, agreed value cover pays the full agreed amount, not a depreciated figure.

For partial-loss claims (repair work that costs less than the agreed value), the insurer pays the repair cost. Agreed value is specifically about how total losses are valued, not about the day-to-day repair cost.

Renewal and value drift

Classic-car values move. The agreed figure on a policy should be reviewed annually at renewal, particularly for marques and models where the market has been active. Some insurers build automatic inflation-linked adjustments into renewal; others require explicit re-agreement.

If a model has appreciated significantly between renewals and the agreed value hasn’t been updated, you’re effectively under-insured in the event of a total loss. The renewal conversation with the broker is the moment to revisit the figure.

Practical considerations

A few things owners often want to check before committing to a specific agreed-value policy:

• Mileage limits. Most agreed-value policies cap annual mileage at 3,000, 5,000 or 7,500 miles. Higher-mileage owners need to ask explicitly.
• Storage requirements. Many policies require the car to be garaged or stored at a CaSSOA-rated site overnight. Driveway storage may not qualify.
• Named-driver restrictions. Specialist policies are typically written for named drivers only, often with age and experience conditions.
• Use restrictions. Pleasure use, club events, and shows are normally fine. Daily commuting, business use, and any for-hire-or-reward use are typically excluded.

Related

• CaSSOA accreditation is often a condition or pricing factor on agreed-value policies.
• Historic vehicle status is separate from insurance but typically goes hand-in-hand with the specialist-insurer ecosystem.