How Long Can a Debt Collector Legally Pursue You UK? (2026)

How Long Can a Debt Collector Legally Pursue You UK? (2026)

By Hamid Ali · MSc Accounting & Finance (University of Northampton) · ACCA in progress · Founder of DebtShift · Updated July 2026

A letter arrives about a debt you haven’t heard about in years. Then another. You start wondering: is there actually a point where they have to stop, or can this go on forever?

There is a legal cut-off on court action — that’s the six-year statute barred rule, and we’ve covered the mechanics of that in full detail elsewhere. What this guide covers is the part people ask about just as often: what a collector can keep doing even after that point, how persistent they’re actually allowed to be, and when ongoing contact crosses from “annoying but legal” into something you can formally complain about.

Two very different questions

“Can they take me to court?” and “can they keep contacting me?” have completely different answers, and conflating them causes most of the confusion. Once a debt is statute barred — six years with no payment or written acknowledgement in England, Wales, and Northern Ireland — the answer to the court question becomes no. The answer to the contact question is still, technically, yes: a collector can still write, call, or ask you to pay a debt that’s no longer enforceable through the courts. It’s an unsatisfying answer, but it’s the accurate one. Check your own debt’s status with our Statute Barred Checker if you’re not sure where you stand.

So how long will they actually keep trying?

There’s no legal maximum on how long a collector can keep asking, separate from the six-year enforceability question. In practice, debt buyers tend to make a handful of serious attempts — a letter, a follow-up, sometimes a phone call — over a period of months, then either escalate toward legal action (if the debt is still enforceable) or the account goes quiet for a stretch before resurfacing, sometimes years later, often just before the statute barred deadline. That resurgence right before the six-year mark isn’t a coincidence — it’s frequently a last attempt to get a response, a payment, or an acknowledgement before the door closes.

What actually stops them contacting you

This is the part most guides skip. You don’t need to wait passively for a collector to decide to stop. You have the right to tell them, in writing, that you don’t intend to pay because the debt is statute barred, and once you’ve said that, the Financial Conduct Authority has stated it’s unfair for a firm to keep demanding payment regardless. That written statement — not silence, not ignoring letters — is what actually closes the door on future contact.

If the debt isn’t statute barred yet and you simply want the contact to stop while you deal with it differently, you can request written-only contact, which removes phone calls entirely, or in genuine hardship, you can explain your situation and ask them to pause collection activity while you seek advice.

When persistence becomes harassment

There’s a real difference between a collector reasonably following up on a genuine debt and a pattern designed to wear you down. Signs the latter is happening: contact continuing after you’ve clearly stated the debt is disputed or statute barred, repeated calls with no new information, contact at your workplace after you’ve asked them not to, or language designed to frighten rather than inform. Any of these are grounds for a formal complaint under CONC 7.3, regardless of whether the underlying debt is still legally enforceable.

What to do if a debt keeps resurfacing after you thought it was dead

Sometimes an old debt goes quiet for a year or two and then a completely different company’s letter arrives — the account’s been sold again. This doesn’t reset anything about the six-year clock; that clock is tied to your last payment or written acknowledgement to the original creditor, not to how many times the debt changes hands. What it does mean is you may need to send the same “prove it” and statute barred correspondence to a new company, which can feel repetitive but doesn’t put you in a worse legal position than before.

The record-keeping habit that actually protects you

Keep every letter, note the date of every call, and hold onto proof of when you sent any statute barred notification. If a collector claims they never received your letter, or a new company picks up the account without knowing your history, your own paper trail is what re-establishes your position quickly rather than starting the whole explanation from scratch each time.

If you’re not sure whether six years have actually passed

Don’t guess, and don’t assume a long gap in contact means the clock has run out. Pull together whatever records you have — old statements, emails, proof of your last payment — and if there’s genuine doubt, ask the collector in writing to confirm the date of your last payment or acknowledgement before you commit to a position either way.

A real scenario, worked through

Someone’s last payment on an old credit card was in early 2018. They heard nothing for nearly five years, then in late 2023 a letter arrived from a debt buyer offering a settlement. They didn’t respond, assuming ignoring it was safest. A second letter followed in early 2024, then silence again until mid-2025, when a different company entirely wrote about the same account, having bought it from the first buyer. By that point, roughly seven years had passed since the last genuine payment — the debt had already become statute barred somewhere in that gap, but because nobody ever wrote back stating that clearly, each new owner kept trying, reasonably assuming silence meant the door was still open.

Had they sent a single letter after the first 2023 contact — stating plainly that the debt was approaching or past the six-year mark and that they didn’t intend to pay — it’s likely the subsequent letters, and the sale to a second company, wouldn’t have happened at all, or would have stopped the moment that second buyer checked their records. Silence didn’t protect them from further contact; it just meant nobody knew to stop.

Why companies keep buying debts that might already be unenforceable

It’s worth understanding the economics here, because it explains why persistence continues even on very old debts. Debt buyers purchase portfolios of accounts in bulk, often without knowing the precise payment history of every individual debt inside that portfolio. A debt that’s actually statute barred might still get bought and chased simply because the buyer’s records don’t clearly show that yet — not because anyone is deliberately pursuing something they know is unenforceable. This is exactly why a clear written statement from you, rather than assumed silence, is the thing that actually updates their records and stops the cycle.

What a genuinely aggressive pattern looks like, versus normal persistence

Two or three letters over a year, spaced reasonably apart, asking for payment or offering a settlement, is standard debt collection — irritating, but not a breach of anything. What crosses the line is different: contact that ignores your written statement that the debt is disputed or statute barred, calls that continue after you’ve requested written-only contact, or contact timed and worded to create panic rather than simply request payment. If you’re not sure which category your situation falls into, a useful test is whether the collector has actually acknowledged and responded to something you’ve told them in writing, or whether they appear to be ignoring it entirely.

How Long Can a Debt Collector Pursue You FAQ

Can a debt collector contact me forever if I never pay?
Legally, yes, they can continue asking — the debt doesn’t disappear on its own. But once you’ve told them in writing that the debt is statute barred and you won’t pay, continued demands become unfair under FCA guidance, and you can complain if it keeps happening.

Does the six-year clock reset if the debt is sold to a new company?
No. The clock is tied to your last payment or written acknowledgement to the original creditor, not to how many times the debt is bought and sold afterward.

What’s the difference between a collector following up and harassment?
Reasonable, occasional follow-up on a genuinely enforceable debt isn’t harassment on its own. Contact that continues after you’ve disputed the debt, ignores a stop request, or happens at unreasonable frequency or in inappropriate places (like your workplace) can be.

Can I make them stop contacting me even if I do still owe the money?
Yes — you can request written-only contact at any point, regardless of whether the debt is statute barred, and that request must be respected.

Do I have to prove the debt is statute barred myself?
You need to be confident of your own dates — last payment or last written acknowledgement — but you don’t need to provide extensive documentation upfront. Stating your position clearly in writing and asking them to confirm otherwise is a reasonable first step.

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This article is for general information only and isn’t financial advice. For free, impartial debt help, contact StepChange.