Rules & safety

What's allowed, and what to watch for

Swapping is legitimate and DVSA will do it for you. But there are four hard conditions, a set of details you must never hand over, and an industry of people hoping you don't know either.

The four conditions

All four have to be true. Fail one and the swap is refused on the call, so it's worth checking before you agree anything.

Rule 1

You both need a change available

A car test can be changed twice. A swap counts as one of those two. So you each need at least one left. If either of you has already moved the booking twice, it can't be done.

A third change doesn't move your test. It cancels the booking, and you start again at the back of the queue.

Rule 2

At least 10 working days' notice

Measured to whichever of the two tests comes first, not yours. If their test is next Tuesday, the swap is already impossible however far away yours is.

Working days run Monday to Saturday. Sundays and public holidays don't count, so a fortnight on the calendar can be fewer than ten working days once a bank holiday lands in it.

Rule 3

The centres have to be close

A swap is allowed where both tests are at the same centre, or at centres within each other's three nearest, or at a centre one of you originally booked.

This is the rule that quietly kills most hopeful matches. You can't swap a London test for a Manchester one, however keen you both are.

Rule 4

Same test type and price tier

Weekday tests swap with weekday tests. Evening, weekend and bank holiday tests cost more and swap only with each other. Extended tests (taken after a disqualification) swap only with extended tests.

Tests with disability accommodations arranged also need to match, because the centre has to be set up for them.

Every match on this site has already passed all four. The finder also has a "blocked by a rule" tab, which shows you the people whose slot you'd love but can't legally have, and tells you which rule is in the way. Worth a look, because it's usually the 10-day one and it's usually fixable by acting sooner next time.

Staying safe

What you never hand over

GOV.UK's swap guidance is unusually direct about this, and it's worth repeating in full.

Never share with another learner:

Your driving licence number
Your theory test certificate number
Your address
Your phone number or email
Any payment or card details

None of it is needed. DVSA phones the other learner themselves, on the number registered to their booking. You never need theirs, and they never need yours.

The only thing that legitimately changes hands is the booking reference, because the caller has to quote the other learner's reference during the call.

DVSA will never ask you for:

Your full payment card number
The security code on the back of your card

If a caller claiming to be DVSA asks for either, it isn't DVSA. Hang up and ring 0300 200 1122 yourself.

Be equally wary of anyone who contacts you out of the blue about a test slot, or who wants to move the conversation onto WhatsApp before you've agreed anything. There's no reason for either.

And remember there's no confirmation email after a swap. Anyone emailing you a "swap confirmation" with a link to click is not DVSA.

The resale industry

Why so many sites want your booking details

Long waits created a market. Some of it is a legitimate alert service. Much of it is selling you something that was free, and a fair bit is worse than that.

Slots sold at a markup

Test slots have been resold for hundreds of pounds. Every one of them came out of the same free DVSA pool you can see yourself. Nobody has privileged access, and there is no priority queue.

Bots and "booking managers"

Automated services that hammer the booking system breach DVSA's terms. DVSA issues warnings, withdraws booking access and cancels bookings over it. It's your booking that gets cancelled, not theirs.

Detail harvesting

Your licence number and booking reference are enough to change or cancel your test. A site that asks for both, plus your date of birth, has everything it needs to take your slot from you.

Since 12 May 2026, nobody can manage your booking but you. Not an instructor, not an agency, not an app. So any service still offering to book, hold, move or "manage" your test for you is offering something that is no longer permitted, and it's your booking they're putting at risk.

Questions

Rules, in practice

Can I swap with someone at a completely different test centre?

Only if that centre is within three centres of yours, or one of you originally booked there. In practice that means a swap across a city is often fine, and a swap across the country is not. The finder only ever shows you centres that qualify, so you can't accidentally build a preference that can never match.

Does a swap count as a change even if it falls through?

No. The change is only spent when the swap actually completes. If either of you fails a security check, declines on the call, or turns out to have no changes left, both bookings stay exactly as they were.

Can I swap twice?

In principle yes, since you have two changes. But then you have none left, and you can't move that test again for any reason. Most people should treat their second change as an emergency reserve.

How do I check how many changes I've used?

Sign in to your booking on GOV.UK. It's worth doing before you agree a swap rather than finding out on the phone. A swap that dies at that point has wasted both of your mornings.

Is a swap the same as a cancellation?

No, and the difference matters. Cancelling means losing your fee unless you gave enough notice, then rejoining a 22-week queue. A swap moves you straight into somebody else's confirmed slot with your original payment intact.

What if the rules change again?

They have twice in 2026 already, so assume they will. Every rule on this page is checked against GOV.UK, but check the official swap guidance yourself before you call. It takes a minute and it's the version that counts.

Now you know what you're doing

Put your slot on the board and see who wants it. Every match is already checked against all four rules.

Find a swap See the call script