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UK Copart Fee Calculator
Enter your expected hammer price to see the tiered buyer fee, internet bid fee, lot retrieval fee, and VAT, so you know the real all-in cost before you bid.
Estimate your all-in cost
Enter your bid and lot details below.
Hammer price £2,000, Fee B, Live bid, VAT Margin.
Step by step work
How to use this calculator
Enter your bid
The hammer price you expect to win the lot for.
Pick your tier and bid type
Fee A or Fee B, and Live bid or Pre-Bid.
Set the VAT status
Check the lot listing for Margin or Qualifying.
Review your total
All fees, VAT, and the estimated all-in cost.
What adds up to your total cost
Winning a Copart UK lot means more than paying the hammer price. On top of your bid, the platform charges a tiered buyer fee that shrinks in percentage terms as the hammer price rises, an internet bid fee that's slightly higher for a live bid than a pre-bid, and a flat lot retrieval fee on every sale. All three of those charges carry 20% VAT.
This is an independent, unofficial estimator and is not affiliated with, endorsed by, or sponsored by Copart. Copart is referenced here only to describe the auction fee structure this tool models.
The formula used
Vehicle VAT only applies on a Qualifying lot, added directly to the hammer price.
The buyer fee, internet bid fee, and lot retrieval are summed first, then VAT is applied to that combined total.
Why fee A beats fee B, and why it isn't automatic
Fee A exists as a reward for buyers who bring consistent volume to the platform, at 12 or more vehicles a year. At the same hammer price, the Fee A bracket runs noticeably lower than Fee B, and that gap widens as the bid grows, since both schedules eventually shift to a percentage of the bid above a higher threshold.
For a one-off or occasional buyer, Fee B is the realistic rate to budget against. If you're comparing this purchase against financing a vehicle instead, our Loan EMI Calculator can help you see what a monthly payment on a similar-value car would look like.
Margin lots vs Qualifying lots: the number that changes everything
A VAT Margin lot means the seller handles VAT on their own margin under standard second-hand vehicle VAT treatment, so no VAT line is added to what you pay on the hammer price. A VAT Qualifying lot adds 20% VAT directly to your bid, which a private buyer generally cannot reclaim.
On a mid-size lot, that distinction alone can add hundreds of pounds, often more than every other fee combined, which is why checking the VAT label before bidding matters more than comparing Fee A against Fee B.
A full worked example
Say you win a lot with a hammer price of £3,200, on the Fee B tier, with a Live bid, and the listing shows VAT Margin. At that hammer price, the buyer fee bracket comes out to £425 net, and the internet bid fee for a Live bid in that range is £89 net. Add the flat £50 lot retrieval fee, and the combined fee total before VAT is £564.
Applying 20% VAT to that £564 gives £676.80 in fees including VAT. Since the lot is VAT Margin, no additional VAT applies to the £3,200 hammer price itself. Adding the hammer price and the VAT-inclusive fees together, £3,200 plus £676.80, gives an estimated all-in cost of about £3,876.80, with fees representing roughly 21% of the original bid.
If that same lot had been listed as VAT Qualifying instead, an extra 20% of £3,200, or £640, would apply directly to the hammer price, pushing the estimated all-in cost to around £4,516.80 for the identical winning bid.
Frequently asked questions
Is this an official Copart calculator?
No. This is an independent, unofficial estimator built by CalcMora and is not affiliated with, endorsed by, or sponsored by Copart. Copart is a registered trademark of its respective owner, referenced here only to describe the auction fee structure this tool models. Always confirm current rates on Copart UK's own member fees page before bidding.
What's the difference between Fee A and Fee B on Copart UK?
Fee B is the standard rate applied to buyers who take fewer than 12 vehicles a year, which covers nearly every private buyer. Fee A is a discounted schedule for high-volume buyers who purchase 12 or more vehicles a year. At the same hammer price, Fee A generally runs lower than Fee B, since it rewards buyers who bring more business to the platform.
Why does VAT apply differently on different lots?
Copart UK adds 20% VAT to the buyer fee, the internet bid fee, and the lot retrieval fee on every sale, regardless of the vehicle. Whether VAT also applies to the hammer price itself depends on the lot type: a VAT Qualifying lot adds 20% VAT on top of your bid, while a VAT Margin lot does not, because the seller accounts for VAT on their own margin under standard second-hand vehicle VAT rules rather than charging it separately to the buyer.
Why are Copart fees such a large share of a cheap lot?
Below £10,000, Copart's buyer fee brackets are flat amounts rather than a percentage of the bid, so a fixed fee like £145 makes up a much bigger slice of a £500 win than it does of a £5,000 one. Once the hammer price passes £10,000, the buyer fee switches to a percentage of the bid instead, which is why fees as a share of the total cost fall sharply at higher price points.
What is a Live bid versus a Pre-Bid, and does it change the fees?
A Pre-Bid, sometimes called a proxy or preliminary bid, is placed before the live auction starts, while a Live bid happens in real time as the auction runs. The internet bid fee is typically around £10 lower for a Pre-Bid than for a Live bid at the same hammer price, so choosing a Pre-Bid where possible shaves a small amount off the total.
Does this calculator include storage, late payment, or relist fees?
No, this tool focuses on the standard purchase-day costs: the buyer fee, internet bid fee, lot retrieval fee, VAT, and vehicle VAT where it applies. Separate charges can apply if you miss the payment window or leave a vehicle uncollected too long, including daily storage from a few days after the sale, a late payment fee, and a relist fee if the lot stays unpaid past the deadline. Check Copart UK's terms for the current schedule on those.
How accurate are the fee brackets used here?
The brackets reflect a typical published Copart UK fee structure at the time this calculator was built, but auction fee schedules are commercial rates that Copart can revise, and they can also vary by membership tier, location, or promotional period. Treat this as a close estimate for budgeting a maximum bid, and verify the exact current figures on Copart UK's official site before you commit to a purchase.
Should I bid based on the hammer price or the all-in total?
Always budget from the all-in total, not the hammer price alone. Because the buyer fee, internet bid fee, lot retrieval, and VAT can add well over a quarter of the bid on lower-value lots, setting a maximum hammer price without accounting for fees is one of the most common ways buyers overspend at online vehicle auctions.
This tool is for educational purposes only. Always verify important results with a qualified professional.