Children's Hearing Development Milestones

Why Hearing Matters for Child Development

A child's hearing is fundamental to their speech, language, social, and emotional development. From the moment they are born, babies begin learning from the sounds around them — their parents' voices, household noises, music, and eventually the patterns of spoken language. According to the Royal National Institute for Deaf People (RNID), approximately one to two babies per 1,000 are born with permanent hearing loss in the UK, and many more develop temporary or permanent hearing difficulties during childhood.

The first three years of life represent a critical window for language acquisition. During this period, the brain is forming the neural pathways that underpin speech, communication, and literacy. Even mild hearing loss can significantly affect a child's ability to learn to speak clearly, understand instructions, develop reading skills, and form social relationships. Research published by the British Society of Audiology (BSA) consistently shows that children whose hearing loss is identified and managed early achieve significantly better developmental outcomes than those diagnosed later.

This guide explains what to expect at each stage of your child's hearing and speech development, how hearing is screened and tested in the UK, the warning signs to look out for, and what to do if you have concerns.

Newborn Hearing Screening in the UK

In the UK, all newborns are offered hearing screening through the NHS Newborn Hearing Screening Programme (NHSP), ideally within the first few weeks of life. This programme is one of the most comprehensive in the world and has been running across England since 2006, with equivalent programmes in Scotland, Wales, and Northern Ireland.

The screening uses one or both of the following tests:

• Otoacoustic emissions (OAE) — a small earpiece is placed in the baby's ear and plays soft clicking sounds. A healthy inner ear (cochlea) produces faint echo sounds in response, which the device detects. The test is painless and takes just a few minutes.
• Auditory brainstem response (ABR) — small sensors are placed on the baby's head and neck, and soft clicking sounds are played through tiny headphones. The sensors measure the brain's response to the sounds. This test is used if the OAE result is unclear or if the baby has risk factors for hearing loss.

According to NHS England, the NHSP identifies around 1,000 babies with permanent hearing loss each year in England. Screening does not diagnose hearing loss — it identifies babies who need further diagnostic testing. If the initial screening suggests a possible concern, you will be offered a follow-up appointment, usually within four weeks. It is important to attend this appointment promptly, as early confirmation and intervention make a significant difference to outcomes.

Hearing and Speech Milestones: Birth to 12 Months

Every child develops at their own pace, and the milestones below are general guides rather than rigid rules. However, they reflect the patterns that audiologists, health visitors, and speech and language therapists use to assess whether a child's hearing and communication are developing typically.

Birth to 3 months

• Startles or blinks in response to sudden loud sounds (a door slamming, a dog barking)
• Seems to recognise their parent's or carer's voice — may quieten, smile, or turn towards it
• Is soothed by soft, rhythmic sounds such as singing or gentle speech
• Makes soft cooing and gurgling sounds
• Pauses or changes facial expression when a new sound occurs

3 to 6 months

• Turns eyes or head towards the source of a sound
• Responds to their name by looking up or pausing
• Enjoys toys and rattles that make noise — may shake them deliberately
• Begins to babble with vowel sounds ("ooh", "aah", "eee") and experiments with pitch and volume
• Shows excitement or distress in response to different tones of voice
• Watches a speaker's face with interest during conversation

6 to 12 months

• Babbles with consonant sounds ("ba-ba", "da-da", "ma-ma") — this is a key milestone that depends on hearing these sounds
• Turns to locate sounds coming from different directions, including behind them
• Responds to simple words like "no", "bye-bye", and their own name consistently
• Enjoys music, songs, and nursery rhymes — may bounce or sway in response
• Begins to understand simple familiar words and can follow basic instructions accompanied by gestures ("wave bye-bye", "clap hands")
• Uses voice deliberately to attract attention

Hearing and Speech Milestones: 1 to 4 Years

12 to 18 months

• Has a vocabulary of several single words (typically 3-20 words by 18 months)
• Can point to familiar objects when named ("Where's the ball?", "Show me the dog")
• Follows simple spoken instructions without gestures ("Give me the cup", "Put it on the table")
• Enjoys being read to and may turn pages of a book
• Responds consistently to their name from across the room
• Increasingly interested in speech and communication — tries to copy words they hear

18 to 24 months

• Vocabulary expands rapidly — most children have around 50 words by age two
• Begins to combine two words ("more milk", "daddy gone", "big dog")
• Can follow two-step instructions ("Pick up the teddy and put it on the chair")
• Points to body parts when asked ("Where's your nose?")
• Enjoys simple songs and may attempt to sing along
• Familiar adults can understand most of what the child says

2 to 3 years

• Speaking in short sentences of three to four words
• Following two-part instructions consistently
• Asking simple questions ("What's that?", "Where's Mummy?")
• Can be understood by familiar adults most of the time
• Enjoys stories and can follow a simple narrative
• Uses language to express needs, describe things, and engage in simple pretend play

3 to 4 years

• Holds simple conversations, taking turns in dialogue
• Asks lots of questions — including "why?"
• Tells stories and describes events, sometimes with detail
• Can be understood by people outside the family most of the time
• Follows instructions with three or more steps
• Enjoys rhyming words and language play

Signs of Possible Hearing Difficulty in Children

If your child is not meeting the milestones described above, it does not necessarily mean they have a hearing problem — children develop at different rates, and other factors such as bilingualism, developmental variation, or speech and language difficulties can affect the timeline. However, the following signs should prompt a hearing check:

• Does not startle at loud sounds as a newborn
• Does not turn towards sounds by four to five months of age
• Is not babbling with consonant sounds by nine to ten months
• Has no single words by 18 months, or is not combining words by age two and a half
• Frequently says "what?" or asks you to repeat things
• Turns the television volume up higher than others in the family need
• Seems inattentive, does not respond when called, or only responds when they can see you
• Is falling behind at nursery or school, particularly with reading and phonics
• Speaks less clearly than other children of the same age
• Has had repeated ear infections — these can cause temporary hearing loss that affects development if persistent

The RNID recommends that any parental concern about a child's hearing should be taken seriously and investigated promptly. Parents know their children best, and a simple hearing check can provide reassurance — or catch a problem early when intervention is most effective.

Common Causes of Hearing Loss in Children

Hearing loss in children can be congenital (present at birth) or acquired (developing after birth). Understanding the common causes helps parents and carers recognise risk factors and seek timely assessment.

Congenital causes

• Genetic factors — around 50% of congenital hearing loss has a genetic component. It can occur even when there is no family history of hearing loss.
• Infections during pregnancy — cytomegalovirus (CMV), rubella, and toxoplasmosis can all affect the developing auditory system
• Complications during birth — prematurity, very low birth weight, jaundice requiring exchange transfusion, and oxygen deprivation can all increase risk

Acquired causes

• Glue ear (otitis media with effusion) — the most common cause of temporary hearing loss in childhood, affecting around eight out of ten children at some point before the age of ten. Sticky fluid builds up behind the eardrum, reducing its ability to vibrate. Most cases resolve within three months, but persistent glue ear can affect speech and learning.
• Ear infections — recurrent acute otitis media can cause temporary and, if untreated, sometimes permanent hearing damage
• Meningitis — bacterial meningitis is a significant cause of acquired sensorineural hearing loss in children. All children who have had meningitis should have their hearing tested promptly.
• Noise exposure — increasingly recognised as a risk factor in older children and teenagers, particularly from personal music players and concerts
• Head injuries — trauma to the head can damage the cochlea or auditory nerve

Getting Your Child's Hearing Tested

If you have any concerns about your child's hearing or speech development, speak to your health visitor or GP. They can arrange a referral to a paediatric audiology service, where your child will be assessed by a specialist audiologist using age-appropriate testing methods:

• Visual reinforcement audiometry (VRA) — used from around six months to two and a half years. The child is trained to look towards a visual reward (an animated toy or screen) when they hear a sound, allowing the audiologist to measure hearing thresholds at different frequencies.
• Play audiometry — used from around two and a half years. The child is taught to perform a simple action (such as placing a peg in a board) each time they hear a sound through headphones, making the test into a game.
• Tympanometry — a quick check of middle ear function that can identify glue ear or other middle ear problems. Painless and takes just a few seconds per ear.
• Otoacoustic emissions (OAE) — can be used at any age and provides an objective measure of inner ear (cochlea) function.

Paediatric hearing tests are completely free on the NHS, and you should not have to wait long for an appointment when a child is involved — most departments prioritise children. If your child is found to have hearing loss, the audiologist will discuss the type, degree, and likely cause, and will recommend appropriate management — which may include monitoring, hearing aids, medical treatment, or referral to an ENT specialist.

For more information about how hearing is tested in newborns, see our guide to hearing tests for babies. And if you are concerned about possible signs of hearing difficulty, our guide to signs of hearing loss covers the topic in detail for both children and adults.