Does claiming Carer's Allowance affect their benefits?

Yes — claiming Carer’s Allowance can reduce the benefits of the person you care for. If anyone is paid Carer’s Allowance for looking after someone, that person loses the severe disability addition in their Pension Credit — worth £86.05 a week in 2026/27. You gain £86.45; they lose £86.05. For some families that’s a net gain of 40p a week, and once knock-on effects are counted it can be a real loss. Their Attendance Allowance itself is never affected — this is purely about Pension Credit and its equivalents.

This is the single most expensive surprise in the carer benefits system, and the DWP’s claim form won’t warn you about it. Here is how the trap works, when it doesn’t apply, and how to check your family’s position before anyone presses submit.

This guide is general information, not financial or legal advice. For advice about your own situation, speak to a regulated professional, or a free service such as Citizens Advice or Age UK.

What is the severe disability trap?

Pension Credit includes an extra amount called the severe disability addition — £86.05 a week in 2026/27 — for someone who, broadly:

1. Gets a qualifying disability benefit, such as Attendance Allowance
2. Lives alone (in benefit terms), and
3. Has no one paid Carer’s Allowance for looking after them

Rates correct for the 2026/27 tax year. Benefit rates change every April — always check the current figures on gov.uk.

That third condition is the trap. The logic is that the addition exists for severely disabled people with no formal carer; the moment the state pays someone to care for them, the addition is withdrawn. (In older, legacy benefits the same thing happens to the severe disability premium.)

So the moment your Carer’s Allowance is paid, your parent’s Pension Credit is recalculated without the £86.05.

What do the numbers actually look like?

A worked example. You care for your mum, who lives alone, gets Attendance Allowance, and receives Pension Credit that includes the severe disability addition. You’re under the earnings limit, so you claim Carer’s Allowance.

	Weekly change
You gain Carer’s Allowance	plus £86.45
Your mum loses the severe disability addition	minus £86.05
Family net position	plus 40p

Forty pence a week — before you count the knock-ons. A smaller Pension Credit award can mean less help with council tax and other support tied to her income, and Carer’s Allowance is taxable income for you, which matters if you have other income. Plenty of families who “gained a benefit” ended up worse off overall.

The money has also moved between people: your mum’s income went down and yours went up. In most families that comes out in the wash, but it’s worth being honest about with siblings.

When is claiming a clear win?

Whenever the person you care for doesn’t get the severe disability addition in the first place — then there’s nothing to lose, and your £86.45 a week is a straightforward gain. Common cases:

• They don’t get Pension Credit at all — their income or savings are too high. Nothing to take away.
• They don’t count as living alone. A couple where one cares for the other, or a parent living with an adult child, often won’t meet the living-alone condition anyway (the exact rules have wrinkles — a benefits adviser can confirm).
• They’re on a benefit with no severe disability amount in payment.

There’s a third path worth knowing about. If your Carer’s Allowance can’t actually be paid — usually because you get a State Pension of £86.45 a week or more — you can still have an underlying entitlement, and underlying entitlement does not trigger the trap. Nothing is paid, so nothing is lost — and it can add a £48.15 carer addition to your Pension Credit. For pensioner carers this is often the best of both worlds; see Carer’s Allowance and State Pension: the overlap rule.

How do you check before claiming?

Fifteen minutes of checking protects thousands of pounds a year. In order:

1. Find out whether their Pension Credit includes the severe disability addition. Look at their most recent Pension Credit award letter, or ring the Pension Service and ask directly: “Does this award include the severe disability addition?”
2. Ask the both-sides question. Whoever you speak to — DWP, an adviser — ask: “If I am paid Carer’s Allowance for looking after this person, what happens to their benefits and to mine?” Make them answer both halves.
3. Get a free, whole-family benefits check. Citizens Advice, Age UK and Carers UK all do this and know the trap well.
4. Or run our free benefits check — it looks at the carer and the cared-for person together and flags the severe disability trap automatically before you claim anything.

Also check your own side first — the earnings limit is unforgiving; see Can you get Carer’s Allowance if you work full time? And the wider rules — the 35-hour test, backdating, how to claim — are in the complete Carer’s Allowance guide.

What if you’ve already claimed and it was a mistake?

Act quickly, but don’t panic. You can contact the Carer’s Allowance Unit and ask to withdraw the claim or stop the payment. Whether your parent’s severe disability addition is then fully restored — and from what date — depends on timing and the details of both awards, so this is one to do with an adviser rather than alone: Citizens Advice or Age UK can help you put it right and check whether anything can be backdated. The general rule with all of this is that sooner is cheaper — every week that paid Carer’s Allowance sits in place is a week of the addition lost.

The bottom line

Carer’s Allowance is a good benefit claimed at the wrong moment by a lot of well-meaning families. The rule of thumb: if the person you care for gets Pension Credit and lives alone, check before you claim — the family may gain 40p a week or lose money. If they don’t get Pension Credit, or don’t get the severe disability addition, claim with a clear conscience: it’s about £4,495 a year for care you’re already giving. To see both sides of your family’s position in one go, run our free benefits check.