Speech Sound Development Resources for Families:
The Soundmill Centre Adelaide
How Children Develop Speech Sounds
Speech sound development is a normal part of growing up, and children learn different sounds at different ages. Some sound patterns are a typical part of development, while others may suggest that a child could benefit from extra support. These resources provide a helpful guide to when speech sounds usually develop, along with practical tips for supporting your child’s speech at home.
Research-backed guide detailing ages when children generally master each consonant sound.
Speech Sound Development: NSW Health
A clear, Australia-based PDF chart showing typical ages for mastering specific speech sounds
Speech Pathology Australia – Communication Milestones Kit
A downloadable kit with A4 sheets and an A3 poster outlining speech and understanding milestones
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Free downloadable guide aligned with Australian child health checks.
Crowe & McLeod (2020) Speech Sound Chart
PDF chart with age ranges by consonant, based on large-scale research (90% mastery).
My Health and Development Blue Book – SA Health (0 - 5)
Every child born in South Australia receives a Blue Book to track their health and development milestones .
These resources are a guide, not a diagnosis. If you have concerns about your child’s speech sound development, early support from a speech pathologist can make a meaningful difference. Get in touch with our Adelaide speech therapy team for advice or support.