Reads the lot you’re on
On a Copart UK lot it detects the registration and fills in make, model, year, mileage, gearbox and damage automatically. Off Copart, scan the reg from a listing photo or just type it.
Firefox add-on · UK salvage & auctions
5 free estimates a dayCarWorthUK
Know your maximum bid before you place it
A Firefox sidebar that rides along the salvage and auction listings you already browse. It reads the lot, pulls the MOT from the number plate, reads the damage straight from the photos, and works out what the car is worth once repaired — then tells you the most you should bid.
Copart UK·AutoTrader·eBay·Facebook Marketplace
No account, nothing to sign up for — the reg goes to the DVSA but is never stored
Lot to max bid, in one pass · 30s
How it works
From lot to max bid in one pass.
Open the sidebar on a listing you’re already viewing. It does the reading, the maths, and the fee arithmetic — you make the call.
Checks the history & the damage
Pulls MOT history from the plate via the DVSA, and an AI vision pass reads the damage photos into a per-panel checklist — you untick anything the photos don’t really show.
Prices repair and resale
Costs the confirmed damage as parts plus labour at £40–70/hr, panel by panel, and estimates what the car is worth once it’s back on the road.
Tells you the max bid
Resale minus repair, Copart buyer fees, delivery and your target profit — with live sliders to stress-test it, and a printable report to take into the auction.
What’s in the sidebar
Everything you need to bid with a number, not a hunch.
Auto-fills the vehicle from a Copart UK lot — make, model, mileage, damage, no typing
MOT history from the number plate (DVSA) — mileage and advisories
AI damage read from the listing photos — a tickable checklist, not a worst-case guess
Repair cost as parts plus labour, priced panel by panel
Repaired resale range so you can see the headroom
Suggested max bid with Copart buyer fees and delivery folded in
Live sliders — drag repair and resale and watch the max bid move
Printable report to take into the auction
Works on Copart UK, AutoTrader, eBay and Facebook Marketplace
Five free estimates a day — no account, and results cache per lot
Private, honest, and free to try
CarWorthUK is a bidding aid that stays out of your way — no account, nothing to sign up for, and numbers that never pretend to be more than an estimate.
No account, nothing to sign up for
An anonymous, on-device wallet gives you five free estimates a day. No email, no login, no profile — just open the sidebar and go.
Private by design
The registration is sent to the DVSA for the MOT lookup and never stored or logged. Estimates cache locally, per lot, on your own machine.
Honest, indicative numbers
It’s a bidding aid, not an inspection or a formal valuation — hidden and structural damage can’t be seen from photos, and every estimate says so.
Stop guessing your max bid
Add CarWorthUK to Firefox and get 5 free estimates a day — no account, no card, just the sidebar beside the listing you’re already on.
Firefox · Copart UK, AutoTrader, eBay & Facebook Marketplace · Licensed from TraLand.com