What age should I start potty training?

Most children are ready to start potty training between 18 months and 3 years old, with the average age being around 2 to 2.5 years. However, age alone is not a reliable indicator. Some children show readiness signs as early as 18 months, while others are not ready until closer to 3 or even 3.5. Boys sometimes take a little longer than girls, though this is not a rule. The Raising Children Network recommends focusing on readiness signs rather than a specific birthday. If your child is going through a big change like a new sibling, starting childcare, or moving house, it is usually better to wait until things settle before introducing toilet training.

How do I know if my child is ready?

Look for a combination of physical, communication, and behavioural signs. Physically, your child should be able to stay dry for at least 1-2 hours at a time and have regular, predictable bowel movements. Communication-wise, they should be able to tell you (through words or gestures) when they have a wet or dirty nappy, or when they need to go. Behaviourally, they might show interest in the toilet, want to watch you or older siblings use it, pull at wet nappies, or show a desire for independence like wanting to dress themselves. You do not need every single sign — a good cluster of them means it is worth giving it a go.

Which potty training method is best?

There is no single best method — it genuinely depends on your child, your family situation, and your own parenting style. The cold turkey or 3-day method works well for confident, communicative toddlers who respond to intensive focus. The Oh Crap method is popular in Australia and suits parents who want a structured plan. Montessori toilet learning is gentle and child-led, ideal for families who prefer a low-pressure approach. Gradual or child-led methods work best when your child is showing interest but is not quite ready for full commitment. Many parents end up using a blend of approaches. The key is consistency — whatever method you choose, stick with it for at least a week before deciding it is not working.

How long does potty training take?

For daytime training, most children get the hang of it within 3 to 7 days of consistent effort, though accidents will continue for weeks or even months afterwards. Full reliability during the day — where they take themselves to the toilet without reminders — usually takes 3 to 6 months. Some children click with it in a weekend, while others need a more gradual approach over several weeks. Night dryness is a separate developmental milestone and can take until age 5 or even later. Try not to compare your child to others. Regressions are also completely normal, especially after big life changes, and do not mean you need to start from scratch.

When should I start night training?

Night training is separate from day training and should not be rushed. Nighttime bladder control is a developmental milestone, not something you can teach. Most children achieve night dryness between ages 3 and 5, though it is perfectly normal for some children to need overnight nappies or pull-ups until age 6 or 7. The best sign that your child is ready for night training is consistently waking up with a dry nappy in the morning. Until that happens, there is no benefit in removing overnight protection. Using pull-ups or training pants at night while your child is dry during the day is completely fine and very common. A waterproof mattress protector is a worthwhile investment regardless.

My child was trained but is having accidents again — what do I do?

Regression is very common and does not mean potty training has failed. Common triggers include a new sibling, starting or changing childcare, moving house, illness, or any disruption to routine. The most important thing is to stay calm and avoid shaming or punishing your child — they are not doing it on purpose. Go back to basics: offer regular toilet reminders, praise success without making a big fuss, and keep things low-pressure. Most regressions resolve within a few weeks once the child feels settled again. If accidents continue for more than a month or your child seems to be in pain, see your GP to rule out urinary tract infections, constipation, or other medical causes.

How do I coordinate potty training with childcare?

Talk to your childcare centre before you start training at home. Most centres are very experienced with toilet training and will be happy to follow your approach. Ask for a collaborative toileting plan — this means you and the educators agree on the same language, routine, and method so your child gets consistency between home and centre. Legally, childcare centres in Australia cannot exclude a child for not being toilet trained, so do not feel pressured by enrolment timelines. Send at least 2-3 full changes of clothes (including socks and shoes) every day during the training period. Communicate daily with educators about progress, accidents, and any changes to routine at home.

Potty Training Tips

Q: What products do I need for potty training in Australia?

You do not need to spend a fortune. The essentials are a potty chair or toilet seat insert (available at Big W, Kmart, and Baby Bunting from around $10-$30), a sturdy step stool so your child can reach the toilet and feel stable, and training pants or pull-ups for outings and overnight. Popular Australian brands include BabyLove Nappy Pants, Huggies Pull-Ups, and Bilbi training pants (available at Baby Bunting). Some parents also like waterproof mattress protectors for the transition period (Kmart has affordable options) and a portable travel potty for car trips. Skip the fancy reward charts and sticker systems unless your child is genuinely motivated by them — many kids could not care less.

A practical guide from a Sydney mum who has been through it twice. Readiness signs, popular methods, Australian products, childcare coordination, and what to do when things go backwards.

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By KidsPlaySpace Teamschedule8 min readcalendar_todayApr 5, 2026

Potty training doesn't have to be stressful. I know that sounds like something people say before launching into a terrifying list of things that can go wrong, but I genuinely mean it. We've been through this twice with our kids — once with a child who took to it in a weekend, and once with a child who needed a solid month of patience and spare pants. Both got there. Yours will too.

This guide covers everything we learned along the way: when to start, how to tell if your child is actually ready (not just the age the internet tells you), the most popular methods Australian parents are using, products you can grab at Kmart and Baby Bunting, how to coordinate with your childcare centre, and what to do when your beautifully trained toddler suddenly starts having accidents again. No judgement, no pressure — just practical tips from one Sydney parent to another.

When to Start Potty Training

The short answer: when your child is ready, not when the calendar says so. Most children are developmentally ready somewhere between 18 months and 3 years old, with the sweet spot for many families landing around age 2 to 2.5. The Raising Children Network — Australia's go-to parenting resource — emphasises readiness over age, and that is the approach we found worked best.

Boys sometimes start a little later than girls, though this is far from a rule. What matters more is where your child is developmentally. Can they follow simple instructions? Are they showing any interest in the toilet? Are they bothered by a wet nappy? These signs matter more than their birth date.

One important tip: avoid starting during a big life change. If you have a new baby on the way, you're about to move house, or your child is just settling into a new childcare centre, wait until things calm down. Potty training works best when your child feels secure and settled in their routine.

Signs Your Child Is Ready

Readiness is not one single sign — it is a cluster of physical, communication, and behavioural cues that tell you your child's body and brain are ready to make the switch.

Physical Signs

Your child can stay dry for at least 1-2 hours at a time. They have regular, somewhat predictable bowel movements. They can walk to the bathroom, sit on a potty, and stand up again without help. They may wake from naps with a dry nappy.

Communication Signs

They tell you (with words, signs, or facial expressions) when they have a wet or dirty nappy. They might announce when they are doing a wee or poo, even if it is after the fact. They can understand and follow simple instructions like “sit on the potty”.

Behavioural Signs

They show interest in the toilet — wanting to watch you or older siblings, flushing the toilet, or sitting on a potty with their clothes on. They may pull at wet nappies or ask for a change. They are showing a general desire for independence: wanting to dress themselves, do things “by myself”, and make their own choices. You do not need every sign — a good handful means it is worth having a go.

Popular Potty Training Methods Compared

There is no single “best” method. The right approach depends on your child's temperament, your family's schedule, and honestly, your own patience levels. Here are the four most popular methods Australian parents are using right now.

Cold Turkey / 3-Day Method

You ditch the nappies completely and commit to three intensive days at home. Your child goes bare-bottomed or in undies, and you take them to the potty at regular intervals. It is fast and works well for confident, communicative toddlers. The downside: those three days can be messy and intense, and you need to be fully available with no other commitments.

Oh Crap! Potty Training

Based on the popular book by Jamie Glowacki, this method is huge in Australian mum groups. It follows a block-based approach: first naked at home, then commando (no undies) in loose clothes, then out and about. It is structured and gives parents a clear plan to follow. Works best for kids aged around 20-30 months. Some parents find the tone of the book a bit intense, but the method itself is solid.

Montessori “Toilet Learning”

Montessori-inspired families start very early (from around 12 months) by introducing the potty as part of the daily routine. There is no pressure and no reward system — just calm, consistent access to the toilet. The child leads the process. It can take longer, but proponents say it results in fewer power struggles and a smoother transition. Ideal for patient families who prefer a low-key approach.

Gradual / Child-Led

This is the “no rush” approach. You introduce the potty, let your child sit on it when they want to, and gradually phase out nappies as they show more interest and success. It suits families who are not in a hurry and children who resist being pushed. The downside is that it can take weeks or months, and some children need a clearer boundary to make the switch. Many parents end up blending this with elements of other methods — and that is perfectly fine.

Day Training vs Night Training

This is something I wish someone had told me earlier: day training and night training are completely separate things. Daytime dryness is a skill your child learns. Nighttime dryness is a developmental milestone that their body reaches when it is ready — you cannot really train it.

Focus on day training first. Once your child is reliably dry during the day, nighttime dryness often follows within a few months to a year, but it is completely normal for children to need overnight nappies or pull-ups until age 5, 6, or even 7.

The best sign your child is ready to drop overnight nappies is consistently waking up dry in the morning. Until that happens, pull-ups at night are absolutely fine — no shame, no stress. Invest in a good waterproof mattress protector either way.

Products Available in Australia

You do not need to spend a fortune on potty training gear. Here is what actually proved useful for us and what you can pick up locally.

Potty chairs and toilet seat inserts:Big W, Kmart, and Baby Bunting all stock a good range from around $10 to $30. Some children prefer a standalone potty on the floor (less intimidating), while others want to use the “big toilet” with a seat insert. Let your child choose if possible — ownership helps with buy-in. We ended up with both.

Training pants and pull-ups: BabyLove Nappy Pants, Huggies Pull-Ups, and Bilbi training pants (Baby Bunting) are the most popular options. Pull-ups are great for outings and overnight during the transition period. Reusable training pants with extra padding are also available and work well at home.

Step stools: Essential if your child is using the big toilet. They need to feel stable and be able to push their feet against something. Kmart and IKEA both have affordable, sturdy options. A portable travel potty is handy for car trips and long outings — we kept one in the boot for the first few months and it saved us more than once.

Potty Training at Childcare

If your child is in childcare, getting your educators on board makes a massive difference. Talk to your centre before you start training at home. Most early childhood educators are very experienced with toilet training and will be happy to support your approach — they have done this hundreds of times.

Ask for a collaborative toileting plan so everyone is using the same language and routine. Consistency between home and childcare is genuinely the most important factor for success. If you are saying “let's go to the potty” at home but they are saying “toilet time” at childcare, pick one and stick with it.

Important to know: in Australia, childcare centres legally cannot exclude a child for not being toilet trained. So do not feel pressured by enrolment timelines or other parents. Send at least 2-3 full changes of clothes every day (including socks and shoes — trust me on the socks) and communicate daily with educators about how things are going at both ends.

When Things Go Backwards

Regression is normal. I want to say that again because it is the thing that panics parents the most: regression is completely, utterly normal. A child who has been reliably dry for weeks or months can suddenly start having accidents again, and it does not mean your training has failed.

Common triggers include a new sibling arriving, starting or changing childcare, moving house, illness, travel, or really any disruption to their routine. Sometimes there is no obvious trigger at all.

Stay calm. Do not shame or punish — your child is not doing this on purpose. Go back to basics with regular toilet reminders and gentle encouragement. Most regressions resolve within a few weeks. If accidents persist for more than a month, or your child seems to be in pain or discomfort, see your GP to rule out medical causes like urinary tract infections or constipation.

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