The average UK dyslexia diagnosis lands somewhere between ages eight and ten, years after the difficulty began, and usually after the child has already decided they're "bad at reading." That gap matters. The earlier a child gets structured support, the smaller the gap they have to close, and the less self-image damage they take along the way.
You don't need a formal assessment to start helping. You do need to know what to look for.
around age 4 (pre-school / reception)
- Trouble learning nursery rhymes, or never quite landing on the rhyme.
- Mixing up similar-sounding words ("aminal" for animal, "pasketti" for spaghetti) well past the age siblings stopped.
- Difficulty clapping syllables in their own name.
- A family history of dyslexia or late reading on either side. This is the single strongest predictor.
around age 6 (year 1 / year 2)
- Knows letter names but can't reliably tell you the sound the letter makes.
- Reads a word correctly on one page and as a different word two pages later.
- Avoids reading aloud, volunteers for anything else, including jobs they hate.
- Spelling is wildly phonetic ("woz" for was) long after classmates have moved on, or wildly non-phonetic (random letters in roughly the right shape).
- Stories told out loud are detailed and vivid; stories written down are three sentences and full of crossings-out.
around age 8 (year 3 / year 4)
- Reading is accurate but very slow, or fast but full of guesses based on the first letter.
- Comprehension drops sharply when the child reads silently versus when an adult reads to them. (This is the diagnostic gold-standard signal at this age.)
- Homework takes two to three times as long as it should, and the child is exhausted afterwards.
- Confidence is starting to leak into other subjects, maths word problems, science worksheets, anywhere reading is the gateway to the actual task.
what to do before a diagnosis
You don't have to wait for a label. Talk to the class teacher and ask specifically about phonics screening results and reading age. Ask the SENCO whether the school can put short, structured phonics interventions in place, the evidence is strong that early, daily, ten-to-fifteen-minute sessions help every struggling reader, dyslexic or not.
At home, lean on audiobooks, paired reading, and tools like Wobble that keep the child in the story while their decoding catches up. The worst thing you can do is wait quietly for the gap to close on its own. It rarely does.