Most benefits are worked out from your circumstances on a given day: your income, who lives with you, your health, your caring responsibilities, where you live. When any of those things move, the amount you are entitled to can move too, and the office that pays you needs to know. GOV.UK is blunt about the consequence of silence: if you do not report a change or a mistake, you might be paid too much, and if you are, you might have to pay some of the money back1. Deliberately not reporting a change is treated as benefit fraud1.
The rules on how fast you must report are stricter than many people expect. For some changes, the law allows as little as seven days2. This page explains what counts as a change of circumstances, who to tell and how, what happens after you report, how overpayments arise and are recovered, when an overpayment tips into a penalty or a fraud investigation, and how to challenge or reduce a repayment.
What counts as a change of circumstances
A change of circumstances is anything that could affect how much you are entitled to, or whether you are entitled at all. Because each benefit has its own rules, the same life event can matter for one payment and be irrelevant for another. A pay rise changes Universal Credit but not, in most cases, a contribution-based benefit. Someone moving in affects means-tested benefits and can end a single-person discount. A change in a health condition matters for disability benefits, which is why Social Security Scotland reviews awards based on your conditions and whether your needs change6.
The reporting duty is not limited to the obvious. Official guidance across schemes points to a wide range of changes:
- Your income, savings or earnings going up or down
- Changes to the benefits anyone in your household gets, or where they live7
- Someone moving in or out, a partner leaving or arriving
- Changes in a health condition or care needs
- A child leaving full-time education, which the NHS pension scheme lists alongside "any other change in your personal circumstances" as something to report as soon as possible, with failure risking an overpayment that will need to be recovered8
- Going into a care home, which has its own reporting route for Carer's Allowance9
Some schemes set the duty out in unusually strong terms. The War Pension Scheme's Constant Attendance Allowance guidance states: "You must let us know immediately about any changes in your circumstances"7. Scottish legislation on debt and bankruptcy requires a debtor to notify a material change of circumstances "within 7 days of becoming aware of the change"2, and the child maintenance rules carry the same seven-day expectation for the paying parent's circumstances, with prosecution and a fine of up to £1,000 for failure3. Northern Ireland's Housing Benefit and Rate Relief guidance puts the duty on the claimant plainly: "you must tell the right organisation"10.
Two practical points catch people out. First, if you get more than one benefit, you will usually need to report the change to more than one organisation, because the offices do not all share the information1. Second, some changes must be reported by a specific person: only the person claiming Child Benefit can tell HMRC about a change of circumstances11. Where a claimant cannot manage their own affairs, an appointee can be put in place to act for them, which the DWP arranges through the person's local office12.
How to report a change to the DWP
The route depends on which benefit you get, and GOV.UK sets out the main channels1:
| Benefit | How to report |
|---|---|
| Universal Credit and most other benefits | Call Jobcentre Plus, with your National Insurance number to hand1 |
| Carer's Allowance | Report online or call the Carer's Allowance Unit1 |
| Attendance Allowance | Call the Attendance Allowance helpline1 |
| Child Benefit | Use the Child Benefit online service, or call or write to the Child Benefit Office1 |
| Housing Benefit | Tell your local council1 |
When you report, say what changed and the date it changed. The date matters because it fixes when your entitlement changes, and an award can be revised or superseded when a change that happened earlier is notified later13. If someone dies while receiving benefits, the Tell Us Once service lets you report the death to most government departments in one go rather than contacting each one1.
A few situations have their own process. If the person you care for goes into a home, you report the change online or call the Carer's Allowance Unit9. If you act as an appointee for someone who cannot manage their own claim, changes are reported through the DWP office that manages the appointeeship12. And occasionally the DWP contacts you first: in its review of closed New Style Jobseeker's Allowance claims, the department is writing to anyone who may be affected rather than waiting for them to come forward14.
Keep a note of when you reported and what you said. If a dispute later arises about whether a change was reported, a dated record of the call or letter is the evidence that settles it.
Reporting a change to Social Security Scotland: free on 0800 182 2222
Scotland runs many of its own benefits through Social Security Scotland, and the reporting route is different from the DWP's. The freephone number is 0800 182 2222, and the agency's guidance is to call it for free or upload a completed paper form15. The full set of contact channels is16:
- Phone, free: 0800 182 2222
- Text Relay: 18001 +0300 244 4000, for the hard of hearing7
- Webchat: chat.socialsecurity.gov.scot7
- British Sign Language users: contactscotland-bsl.org16
The agency encourages people to call even when they are unsure. Its guidance lists the reasons to get in touch: "you have any questions; you're not sure if you need to tell them about a change; you're calling from abroad; you need support completing the change of circumstances form"17. Applications for Scottish benefits can also be started online at mygov.scot/benefits, or made over the phone on the same freephone number18.
For Adult Disability Payment there is a downloadable change of circumstances form, and an online form can be used to report the changes19. For family payments such as the Scottish Child Payment and Best Start Grant, the agency's position is simple: "People need to let us know if their circumstances change at any point"7. For Pension Age Disability Payment, the changes you need to report are set out in the review guidance, and you can contact Social Security Scotland while a review is ongoing to tell them about another change20.
What happens after you report depends on the benefit. Social Security Scotland will write to say whether it needs more information, and will write again when it has made a new decision20. The decision letter is called a notice of determination, and the law requires it to be clear and accessible and to give guidance and explanations about the decision that has been made21. If you have a terminal illness, the agency aims to make a decision in around 7 working days21.
Not reporting a change is how most overpayments start
An overpayment is money you received that you were not entitled to. The commonest cause is not a mistake by the paying office but a change that was never reported, so payments continued at a rate that no longer matched your circumstances. The warning appears across official guidance: "Your claim might be reduced or stopped if you don't report a change straight away or you give incorrect information"22. The same three routes to an overpayment are listed for the basic State Pension: you did not report a change straight away, you gave wrong information, or you were overpaid by mistake23.
The reason overpayments grow so quickly is that they accrue payment by payment. A change that halves your entitlement does not produce one wrong payment; it produces a wrong payment every week or month until it is reported and processed. Someone who waits months before reporting an income rise can build a debt of thousands of pounds from a change that would have taken one phone call to report.
An unexpected benefit payment is a warning sign in itself. If your circumstances have changed and the money arriving does not seem to match, the safe course is to report the change and query the amount. For Child Benefit, GOV.UK is explicit about the risk of sitting on an overpayment: "You could be prosecuted for benefit fraud if you know you've been overpaid but do not do anything about it"24. Knowing about an overpayment and doing nothing is what turns an honest mistake into something a prosecutor can characterise as dishonesty.
If the DWP overpays Carer's Allowance, it may claim the money back by taking some off future Carer's Allowance payments5. That is the ordinary, administrative outcome for an overpayment, and it applies however the overpayment arose. What changes the character of the case is not the size of the overpayment but what you knew and what you did about it.
When an overpayment has to be repaid
The starting point is that an overpayment has to be repaid whatever caused it. GOV.UK's guidance is that if you are paid too much, you might have to pay some of the money back1, and the State Pension guidance confirms repayment can follow from not reporting a change, giving wrong information, or being overpaid by mistake23. There is no general rule that an overpayment caused by the office's own error is written off.
That can feel harsh, and claimants often ask why they should repay money the department paid out wrongly. The answer is that the law treats benefit payments as made on the basis of the facts as they were: once the facts change, the entitlement changes, and money paid after that point was never yours. The department's job is to recover it; your remedies are to challenge the decision if you think the overpayment was wrongly calculated, and to negotiate an affordable rate of repayment, both covered below.
Recovery can also bite people who never claimed for themselves. The NHS pension scheme warns dependants that a failure to inform it of a change "could lead to an overpayment and this will need to be recovered"8. The same principle applies across schemes: the duty to report sits with the person receiving the money, and the duty to repay follows the money.
Civil penalty or fraud: where an overpayment becomes more serious
Not every overpayment is treated the same way. The spectrum runs from an honest mistake, recovered quietly from future payments, through a civil penalty, to a criminal investigation and prosecution. Where a case lands depends on what the department believes about your state of mind: did you not know, did you suspect, or did you know and stay silent?
GOV.UK draws the fraud line clearly: "If you deliberately do not report changes, you're committing benefit fraud"1. Deliberateness is the dividing line. An overpayment you did not notice, or reported as soon as you did, sits on the administrative side. An overpayment you knew about and concealed moves towards the criminal side, and for Child Benefit the guidance states you could be prosecuted, fined or even sent to prison if convicted24.
In Northern Ireland, an administrative penalty offers a middle route short of prosecution. The guidance gives a worked example: "For example, if you were overpaid by £900 you would have to pay a penalty of £450"25, a penalty of half the overpayment. Accepting a penalty of that kind is a serious decision, because it usually means admitting the overpayment arose from your failure, and it can raise the weekly deduction the department takes from your benefits4.
If the department suspects fraud, the process changes character. A formal interview under caution is part of the process, and around two weeks' notice of it is given4. An interview under caution works like a police interview: the person is warned that they do not have to say anything, and that anything they do say can be used as evidence. A representative can attend, and welfare rights organisations and debt charities can advise before the interview, because what is said there can shape whether the case ends as a penalty or a prosecution.
How the DWP recovers an overpayment
Once an overpayment decision stands, recovery usually happens automatically. The main route is deductions from ongoing benefits. The weekly caps differ by benefit and by how the overpayment arose4:
| Benefit being deducted from | Usual maximum each week |
|---|---|
| Income Support, income-based JSA, income-based ESA, Pension Credit | £13.954 |
| The same benefits, where you agreed to pay a penalty or committed fraud | £37.204 |
| New Style JSA or New Style ESA, aged 25 or over | £36.824 |
| Recovery through other benefits | no fixed maximum; the DWP usually seeks one third of your weekly benefit4 |
Deductions from benefits are not the only route. Overpayments can also be taken from your wages by the Department for Work and Pensions or your local council through an attachment of earnings order26. If the deduction amount is more than you can afford, you can apply to get it changed26. In Northern Ireland, legislation provides that the Department can recover overpayments by deductions from future welfare supplementary payments or from benefits, but not from the person's earnings27, so the recovery routes differ between Great Britain and Northern Ireland.
Where recovery is being taken from wages rather than benefits, the mechanics are those of any court-ordered deduction from earnings, and the affordability route matters: an order that leaves you without enough to live on can be varied on application26. The DWP's preference, in most cases, is deduction from benefits, because it is cheaper to administer and does not need a court.
Challenging an overpayment decision: one month to ask for a mandatory reconsideration
An overpayment is not simply a bill; it is a decision, and decisions can be challenged. The first step against the DWP is called a mandatory reconsideration: you ask the department to look at the decision again. The request should be made within one month of being sent or given the decision4. If you ask for a statement of reasons and it is provided within one month, the window extends to one month and 14 days of the decision being sent or given4.
Scotland has its own system with longer deadlines. A request for a re-determination of a Social Security Scotland decision should be made within 42 calendar days of being notified of the determination, and Social Security Scotland then has 56 calendar days to make the re-determination5. The agency's own guidance describes the process: when the review is complete, Social Security Scotland will make a new decision called a determination, based on the information it holds and any new information you provide6. If you have been given an indefinite award, it will not be reviewed unless you tell them that something has changed6.
Grounds for challenging an overpayment decision include that the change was in fact reported, that the overpayment was calculated from the wrong date, or that the amount is wrong. A challenge does not stop recovery in every case, so it is worth asking the department to hold recovery while the reconsideration runs, and to keep paying attention to deadlines: a missed one-month window can be hard to reopen, though late requests are sometimes accepted for good reason.
If the mandatory reconsideration does not change the decision, the next step is an appeal to an independent tribunal. The decision letter after reconsideration explains how, and the time limit for appealing runs from that letter.
Getting a repayment reduced or written off
Two things can be negotiated even when the overpayment itself is not in dispute: the rate of repayment, and in rare cases whether it is repaid at all.
The rate is the practical battleground. Deductions from benefits are capped at the weekly figures above4, but deductions from wages are set by order, and you can apply to get the amount changed if you cannot afford it26. Outside the formal deduction routes, repayment can be arranged informally: an informal arrangement is an agreement with a creditor to repay at a rate you can afford, and if your financial situation gets worse, for example you lose your job, you can try to negotiate another arrangement, though if your circumstances improve the creditor may expect you to increase your repayments29. The same logic applies to the DWP: it would rather have a sustainable arrangement than a default.
Writing off is rarer and there is no general entitlement to it. The realistic levers are these:
- Challenge the decision if the overpayment is wrongly calculated, within the one-month window4
- Ask for the deduction rate to be reduced if it leaves you without enough for essentials26
- If your situation worsens, renegotiate the arrangement29
- Get free debt advice before agreeing to any schedule, because an adviser can check the overpayment figure and the affordability of what is proposed4
A debt charity's guidance on DWP overpayments is the most useful single resource here, because it sets out the deduction caps, the challenge deadlines and the negotiation routes in one place4. Free help costs nothing and does not affect your benefits.
Complaints and where to get help
A complaint is different from a challenge. Challenging a decision asks whether the overpayment is right; complaining asks whether you were treated properly, for example whether the department failed to act on a change you did report, or mishandled your case.
The DWP has an internal complaints procedure, and its first stage should be dealt with within 15 working days4. If the internal complaint does not resolve matters, it can be escalated, and an unresolved complaint about DWP handling can ultimately go to the independent ombudsman. Complaints about fraud and scams more generally can be referred to the national reporting service30.
Where to get help, free:
- Business Debtline publishes guidance on DWP benefit overpayments covering deduction caps, mandatory reconsideration deadlines and negotiation4
- Social Security Scotland can be called free on 0800 182 2222 with any question, including whether a change needs to be reported at all17
- Welfare rights and debt advisers can check an overpayment figure, help with a mandatory reconsideration request, and negotiate an affordable repayment rate
The single most important habit this page can leave you with is simple: when something changes, report it, and report it to every office that pays you1. Almost every harsh outcome described here, from the £450 penalty to the interview under caution, begins with a change that went unreported for too long.
Sources30 cited
- Report a change in your circumstances (benefits) GOV.UK, 2026-09-26
- The Bankruptcy (Scotland) Act 1985 and related provisions: debtor's duties legislation.gov.uk, 2004-11-01
- How we work out child maintenance GOV.UK, 2026-04-01
- DWP benefit overpayments Business Debtline, 2026-09-26
- Carer's Allowance changes in Scotland: if your circumstances change mygov.scot, 2025-11-06
- Pension Age Disability Payment reviews: what you need to know mygov.scot, 2026-09-26
- 5 Family Payments factsheet Social Security Scotland, 2026-03
- NHS pension: annual pension increase and dependants NHS Scotland Pensions, 2026
- Going into care home: benefits GOV.UK, 2026-09-27
- How much Housing Benefit and Rate Relief a homeowner can get nidirect, 2026-07-27
- Report changes to Child Benefit GOV.UK, 2026-09-25
- Manage a bank account for someone else: deputy and attorney guidance GOV.UK, 2023-05-02
- The Social Security (Recovery of Benefits) Regulations 2010, Regulation 17 legislation.gov.uk, 2010-07-27
- New Style Jobseeker's Allowance closed claims review GOV.UK, 2026-09-24
- Pension Age Disability Payment reviews: changes you need to report mygov.scot, 2026-09-26
- Pension Age Disability Payment factsheet Social Security Scotland, 2026-03
- Pension Age Disability Payment: reporting changes mygov.scot, 2026-09-26
- A guide to our benefits Social Security Scotland, 2025-03
- Adult Disability Payment change of circumstances form mygov.scot, 2022-02-17
- Pension Age Disability Payment reviews: afterwards mygov.scot, 2026-09-26
- Pension Age Disability Payment: decisions mygov.scot, 2026-09-26
- How benefits and pensions are paid nidirect, 2026-07-15
- Qualifying for the basic State Pension nidirect, 2026-09-09
- Repay Child Benefit overpayments GOV.UK, 2026-09-26
- Benefit fraud nidirect, 2026-08-20
- Debt payments from your wages GOV.UK, 2026-09-26
- Welfare supplementary payments: recovery provisions legislation.gov.uk, 2025-03-19
- Pension Age Disability Payment and Scottish Adult DLA statistics to 31 July 2026 Social Security Scotland, September 2026
- Informal arrangements nidirect, 2025-10-01
- Nuisance calls and messages: reporting fraud Information Commissioner's Office, 2026-09-26







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