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Guides

What to check, in what order, before you hand over money

Each guide answers one question that comes up while you are standing next to a car, or a week after you have bought it. They are written to be read on a phone, in a hurry, by somebody who has not done this before.

21Guides published
15Topics covered
82Official sources cited

Every statement about the law, a deadline, a fee or a penalty carries a citation to the GOV.UK page, statutory instrument or DVSA manual it comes from, and each guide lists those sources in full at the foot of the page with the date each one applies from. Where the honest answer is that nobody publishes the figure, the guide says so instead of offering a plausible number.

Guides carry a published date and an updated date, both visible. Rules in this area move: tax bands change every April, clean air zone standards get amended, and the Sentencing Council revises its guidelines on its own schedule. If a guide has been revised since it went up, the newer date is the one to trust.

How to use these

Read the guide, then run the check

A guide tells you what matters and why. The tools tell you what the record actually says about the car in front of you. Most decisions need both.

The order that works: read the buying guide before you travel, run the free check on the plate while you are still at the kerb, and put the tax and clean air zone numbers against your own mileage before you agree a price. Anything the free check cannot reach is named on the tools page rather than glossed over.