A dementia diagnosis does not automatically mean your parent can no longer make an Enduring Power of Attorney, but timing matters and early advice matters even more.
If you are worried about an ageing parent, this guide explains what capacity means in practice, whether a parent with dementia may still be able to sign, what happens if no valid appointment is in place, and the practical steps families should take next in Victoria.
- Dementia and legal capacity are not the same thing
- A parent may still be able to sign, depending on timing and capacity
- Leaving it too late can make things slower, more stressful, and more expensive
- Early legal advice can help families act with clarity and confidence
If you are starting from the broader question of helping Mum or Dad put legal documents in place, this guide on getting a power of attorney for your parents is a useful place to begin.
The direct answer families usually need first
Can a parent with dementia still make a Power of Attorney?
Sometimes, yes.
A person with dementia may still be able to make an Enduring Power of Attorney if they have the decision-making capacity to understand what they are signing, what authority they are giving, who they are appointing, and the effect of that decision at the time they sign.
The real issue is not the diagnosis alone, it is whether your parent has capacity for that decision when the document is made.
That is why families are often told not to delay. Capacity can change over time, and once it becomes uncertain, your options can narrow quickly.
For a broader overview, our guide to Powers of Attorney in Victoria explains how these appointments work and why they are such an important part of planning ahead.
What capacity means in practical terms
It is about understanding the decision
In practical terms, your parent usually needs to understand:
- what an Enduring Power of Attorney is
- who they are appointing
- what powers they are giving that person
- when those powers may be used
- that they can choose limits or conditions
- that the appointment can have serious financial and personal consequences
This is not a memory test, and it is not a simple label.
Someone may have good and bad days. They may struggle with some decisions but still understand others. They may need more time, simpler explanations, or a calm setting to process information.
Capacity is decision-specific, and it should be assessed carefully, not assumed.
The Office of the Public Advocate in Victoria is a useful public resource if you want to understand how Enduring Powers of Attorney work in Victoria.
Dementia does not create a one-word answer
Families often want certainty straight away.
They ask, “Mum has dementia, so does that mean it is too late?”
The answer is often more nuanced than that. Some people are diagnosed early and still clearly understand the decision. Others may have advanced decline or fluctuating capacity, which makes the situation more complex.
That is why early action is usually far better than waiting for a crisis.
Can a parent with dementia still sign?
Possibly, but it depends on timing and the facts
If your parent still understands the nature and effect of the document, they may still be able to sign a valid Enduring Power of Attorney.
Whether that is possible will depend on matters such as:
- the stage and nature of their cognitive decline
- whether they can understand the decision at the time of signing
- whether they can communicate their wishes clearly
- whether there are concerns about pressure from family members
- whether proper legal advice and witnessing can occur in the right way
Why proper process matters
Where capacity may later be questioned, the process around signing becomes very important.
That may include:
- meeting with a solicitor
- ensuring your parent is spoken to properly and independently
- making sure there is no undue influence
- considering whether supporting medical evidence is appropriate in the circumstances
A rushed document prepared after capacity has significantly declined may be vulnerable to challenge later.
If your family is at this stage, it is worth reading more about Enduring Powers of Attorney and getting tailored advice before anyone assumes the position is straightforward.
When families usually realise they have left it too late
The warning signs often show up in everyday life first
Many families do not realise how urgent this issue is until something practical goes wrong.
Common trigger points include:
- unpaid bills or missed banking tasks
- confusion about aged care paperwork
- difficulty dealing with property or finances
- trouble understanding who has authority to help
- a sudden hospital stay or decline after a fall or illness
- conflict between siblings about what should happen next
At that point, the family often discovers there is no valid Enduring Power of Attorney in place, or the existing document does not fit the situation.
What happens if there is no valid appointment
If your parent no longer has capacity and there is no valid appointment, the next steps can become much slower and more complex.
That can mean:
- delays in managing finances
- difficulty dealing with banks, service providers, or property matters
- uncertainty about who has authority to act
- formal applications through the appropriate tribunal process
When no valid appointment exists, families often move from planning to damage control.
What to do now if you are worried
Step 1, do not assume either way
Do not assume it is too early, and do not assume it is already too late.
A dementia diagnosis on its own does not answer the legal question. What matters is your parent’s capacity to make this decision now.
Step 2, speak to your parent with care
Where possible, involve your parent respectfully and early.
This conversation is often easier when it focuses on planning, dignity, and reducing future stress, rather than taking control away from them.
Step 3, get legal advice promptly
A solicitor experienced in Victorian Powers of Attorney can help assess the situation, explain the options, and ensure the process is handled properly.
This is especially important where:
- capacity may be changing
- there is family tension
- assets are significant
- there is a family business, trust, or property to manage
- someone is already acting informally without clear legal authority
Step 4, make sure the right document is considered
An Enduring Power of Attorney deals with financial and personal matters.
Medical treatment decisions are dealt with separately in Victoria, so families should be careful not to assume one document covers everything.
Step 5, act while options still exist
If your parent still has capacity, acting now may allow them to choose who they trust, set limits, and avoid future delay.
The earlier the planning, the more choice your parent usually keeps.
Common mistakes
Waiting for a crisis
Families often delay until an aged care move, hospital event, or financial problem forces the issue.
By then, capacity may be far harder to establish.
Treating dementia and capacity as the same thing
This is one of the biggest misunderstandings.
A diagnosis may raise the question, but it does not automatically answer it.
Using informal arrangements instead of proper authority
Being a close family member does not automatically give you legal authority to deal with finances, property, or personal matters.
Letting one family member take over the process
Where there are capacity concerns, independence matters.
The process should protect your parent’s wishes, not just family convenience.
Assuming an old document is enough
Sometimes an older document exists but no longer suits the family situation, the chosen attorney, or the practical decisions that may need to be made.
Mixing up legal and medical planning
An Enduring Power of Attorney is important, but it is only one part of planning ahead.
Families often need to think about broader estate planning as well.
Quick checklist and next steps
If you are worried about a parent with dementia, start here
- Check whether any Enduring Power of Attorney already exists
- Confirm who has been appointed, if anyone
- Consider whether your parent appears to understand decisions clearly at present
- Avoid pressuring them or presenting documents without advice
- Gather basic information about their needs, assets, and current concerns
- Arrange legal advice as soon as possible
- Make sure the advice is tailored to Victoria
If your concern is growing and you want to understand the bigger picture first, revisit our guide on getting a power of attorney for your parents and then seek advice on the next step that fits your family’s situation.
Frequently asked questions
Does dementia automatically mean my parent cannot sign legal documents?
No.
Dementia does not automatically remove the ability to make an Enduring Power of Attorney. The key issue is whether your parent has the required decision-making capacity at the time of signing.
Can I make a Power of Attorney for my parent myself?
No.
A person must make their own Enduring Power of Attorney while they still have the required capacity. You cannot create one on their behalf after the fact.
What if my parent has good days and bad days?
That can be very relevant.
Capacity may fluctuate. In some situations, timing, proper explanations, and a careful legal process can make a real difference.
What if my parent has already lost capacity?
If capacity is already lost and no valid appointment exists, the matter may need to move into a more formal process. This is one reason families are encouraged to seek advice early.
Does an Enduring Power of Attorney cover medical treatment decisions?
Not by itself.
Medical decision-making is handled separately in Victoria, so it is important to understand which document deals with which issue.
Is this only relevant for wealthy families?
No.
This issue can affect any family where someone may need help managing bills, property, services, accommodation, or day-to-day decisions.
A calm next step can make a big difference
When dementia is part of the picture, families often feel torn between urgency and uncertainty.
The good news is that there may still be options, especially if advice is sought early. A careful, respectful process can help protect your parent’s wishes and reduce confusion later.
Book in a free 1 hour consultation
Get clear guidance on the next step for your family.
If you are worried about whether an Enduring Power of Attorney is still possible, or what happens if capacity is already in doubt, you can book a free consultation to discuss your situation. You can also read more about our approach to Enduring Powers of Attorney and the practical issues covered in our guide to Powers of Attorney in Victoria.
