Does the V5C Document Reference Number Change When You Move? (Yes — and What to Do)
When you change address, DVLA issues a new V5C with a fresh document reference number. The old V5C is inactive — and the old number stops working for tax, SORN, and transfers.
Quick answer: Yes — the V5C document reference number changes every time you change address. DVLA issues a new V5C with a fresh 11-digit reference number; the old V5C and its number become inactive for transactions immediately. The vehicle itself is unaffected — only the document is new. While waiting (5-10 working days), keep your notification confirmation and use the V5C/2 new keeper slip if you have one from a recent purchase.
Why the V5C number changes when you move
The V5C document reference number identifies the document, not the vehicle. Every V5C is a separate physical certificate, and each one has its own unique 11-digit number. When DVLA reissues your V5C for any reason — change of address, change of name, change of keeper, or replacement — you get a new V5C with a new reference number.
The vehicle's underlying identity (VRM, VIN, ownership history) carries forward unchanged. Only the document is new.
What changes when you move
- The V5C reference number — fresh 11-digit code on the new document
- The recorded address — Section 1 of the new V5C shows your new address
- The "Date of issue" — top of the new V5C — reflects when DVLA processed your change
- The old V5C status — the old certificate is now inactive for transactions
What doesn't change
- The car's VRM (registration plate)
- The car's VIN
- The keeper history (you remain the same keeper since the original purchase)
- Tax expiry — your tax continues unaffected; the new V5C inherits the same tax status
- Your insurance — the address change does need updating with your insurer separately, but the V5C reissue doesn't impact insurance
The 5-10 working day gap
From the moment you notify DVLA (online or by post) to receiving your new V5C, you're in a gap period:
- You can still drive — there's no requirement to carry the V5C with you
- You can still pay your tax if it's renewal time — provided you haven't yet notified DVLA, you can use the old V5C number once. After notification, you need to wait for the new V5C or use the gov.uk reminder letter (V11) if you have one
- You cannot sell or transfer the car while waiting — only the new V5C will be active for transfer
- You cannot modify or notify DVLA of other changes until the new V5C is in your hands
How to notify DVLA of your address change
- Online (fastest) — gov.uk/contact-the-dvla → Change of address service. Takes 3-5 minutes. New V5C arrives 5-7 working days.
- By post — fill in Section 6 of your current V5C with your new address. Post to DVLA Swansea, SA99 1BA. Allow 7-10 working days.
Both methods are free. There's no fee for a change-of-address V5C.
What to do with the old V5C
Keep it filed with your vehicle paperwork — it's a useful historical record. But:
- Don't use the old reference number for any DVLA transactions
- Don't show the old V5C to a buyer if you sell the car — they'll need the current V5C
- Don't destroy it for at least 12 months (it can sometimes help resolve disputes about timing)
The "I forgot to update my address" problem
Failing to update your V5C address is a criminal offence with a fine of up to £1,000 under the Vehicle Excise and Registration Act 1994. The practical risks:
- Tax reminders go to your old address — you miss them, your car becomes untaxed
- Recall notices go to your old address — you miss safety-critical updates
- Speed camera / parking fine notices go to your old address — you fail to respond, fines escalate
- Insurance can be voided if your registered address doesn't match the vehicle's actual location
Worked example
Say you moved house on 1 March. Your current V5C reference number is 11223344556. You notify DVLA online on 5 March. They process it by 12 March and post your new V5C. You receive it 15 March with a new reference number 22334455667.
From 12 March, the number 11223344556 is inactive. From 15 March, the new 22334455667 is what you use for everything — tax renewal, SORN, sale, modifications. Your old V5C goes in your filing cabinet as a record.
FAQs
Will my insurance be affected by an address change?
Yes — but separately from the V5C. You must notify your insurer of the address change. Insurers may adjust premiums based on the new postcode. The V5C reissue itself isn't visible to insurers.
What if I move multiple times in quick succession?
Each move triggers a new V5C with a new number. Three moves in a year = three V5Cs. The latest is always the active one.
Does the V5C/2 (new keeper slip) reference number change when I move?
The V5C/2 slip is generated only at sale, not at address change. If you have a V5C/2 from a recent purchase, it remains valid until DVLA issues you a new V5C — including the one triggered by your address change.
What if my V5C arrives at my OLD address?
Most postal redirection services will catch this. If yours has expired, contact Royal Mail to request retrieval. DVLA's records show the new address by the time the V5C is posted.
Related guides
- V5C document reference number: where to find it
- How to change your address on a V5C (the £1,000 fine for not updating)
- V5C Logbook UK: every section decoded
- Lost V5C? Here's what to do
Last reviewed 2026-05-19 by Jamie Dawson, Editor.
