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SLCN is the most common type of special educational need in England’s primary schools, and 421,054 pupils in England have it as their primary need (DfE, January 2026). If your child is struggling to communicate, understand instructions, or keep up with the language demands of the classroom, this guide explains what to look for, how to get help, and what schools should be doing.
Where this guide describes rights and processes — SEN Support, EHCPs, the SEND Tribunal — it describes England. The four-nations section explains how Wales, Scotland and Northern Ireland differ.
Key facts
421k
Pupils in England with SLCN as primary SEN need (DfE, Jan 2026)
10%+
Of children have a long-term communication need (RCSLT)
34%
Of children waiting for NHS speech therapy had waited 18+ weeks (England, July 2026)
35%
Of pupils with SEN in state primary schools have SLCN as primary need (England, Jan 2026)
SLCN is an umbrella term covering a wide range of difficulties with talking, understanding, and using language to communicate. The three areas overlap but are distinct:
The “hidden disability”: Developmental Language Disorder (DLD)
DLD affects approximately two children in every class of 30 (7.58% of children, according to the RCSLT). Children with DLD look and behave typically in many ways, so their language difficulties often go unrecognised. They may be labelled as “quiet”, “naughty”, or “not trying” when in fact they are struggling to understand and process the language around them. DLD is a lifelong neurodevelopmental condition, not caused by poor parenting, bilingualism, or hearing loss, and it is diagnosed by a speech and language therapist.
Every child develops at their own pace, but the following signs may indicate that your child would benefit from speech and language assessment. Trust your instincts — you know your child best.
Early years (2–4)
Primary (5–10)
Secondary (11–18)
The earlier a child receives support, the better the outcomes. Don’t wait for school to raise concerns — if you’re worried, you can refer directly to speech and language therapy services in most areas.
Health visitor & early years referrals
Your health visitor can refer children under 5 directly to SALT services. Nurseries and children’s centres can also flag concerns. The 2–2.5-year developmental check is a key moment to raise any worries about speech or understanding.
School-based SALT services
Many schools have access to a visiting speech and language therapist, either through the NHS or a local authority contract. The SENCo is your first point of contact. Schools can also refer directly without needing a GP referral in most areas.
NHS community SALT
Your GP can refer to the local NHS speech and language therapy service. Waiting times vary widely by area, and some children wait more than two years (NHS England, July 2026). Ask about any drop-in clinics, group programmes, or early support that may be available while you wait.
Private SALT assessment & therapy
Private assessments typically cost £200–£400, with ongoing sessions at £80–£150 each. Private reports carry the same weight as NHS reports for EHCP applications. Look for HCPC-registered therapists on the RCSLT’s Find a Therapist directory.
Communication & Interaction (C&I) as SEND category
SLCN falls under the Communication and Interaction area of need in the SEND Code of Practice. If your child is placed on the SEN register at SEN Support level, the school must create a plan with targets, review it termly, and consider whether specialist involvement is needed.
When to push for an EHCP
If your child’s needs are not being met by school-based support alone, or if they need specialist provision (such as a language unit), you have the right to request an EHC needs assessment. An EHCP can legally require SALT provision, specify the amount and frequency of therapy, and name a specialist placement.
You don’t need a diagnosis or an EHCP for schools to start helping. Here are the evidence-based programmes and strategies that speech and language therapists recommend — and that the best schools already use.
Colourful Semantics
Uses colour-coded question cards (who? what doing? what? where?) to help children build sentences and understand sentence structure.
Word Aware
A whole-school vocabulary programme that teaches children how to learn, store, and retrieve new words across the curriculum.
Narrative Therapy
Structured approach to help children understand and tell stories, improving sequencing, prediction, and expressive language.
Blank Level Questioning
A hierarchy of question types (Levels 1–4) that helps staff pitch language at exactly the right level for each child.
Nuffield Early Language Intervention (NELI)
Evidence-based programme for Reception children, delivering 20 weeks of structured sessions to boost vocabulary and narrative skills. Funded nationally since 2020.
Makaton & visual supports
Sign language programme and visual timetables, now/next boards, and symbol supports that reduce the language demand on children while they develop their skills.
Communication-friendly classrooms
The best schools train all staff — not just the SENCo — in communication-friendly strategies: using visual timetables, giving processing time after questions, breaking instructions into smaller steps, pre-teaching vocabulary before new topics, and using consistent language across the school. Ask your child’s school whether staff have had SLCN awareness training and whether they use the Communication Trust’s Communication Friendly Settings framework.
Most children with SLCN are educated in mainstream schools. But for those with more severe or complex needs, specialist provision exists — and you have the right to request it.
Children with SLCN often underperform in exams not because they lack knowledge, but because the language of the questions is a barrier. Exam access arrangements can help level the playing field.
For GCSEs and A-levels, your child’s SENCo applies to JCQ (the Joint Council for Qualifications) for exam access arrangements. Applications require evidence of the child’s needs (such as a SALT report or educational psychologist assessment) and proof that the arrangement reflects the child’s normal way of working in school. Start the conversation early — applications are typically submitted in Year 10 for GCSEs. In Scotland, National Qualifications are run by Qualifications Scotland (formerly the SQA), which calls these adjustments assessment arrangements: the school or college requests them for the learner, and parents cannot apply directly.
While the underlying needs are the same everywhere, the legal frameworks, terminology, and available provision differ across England, Wales, Scotland, and Northern Ireland.
Enter your postcode to discover schools in your area with specialist communication support and SEND provision.
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One of the biggest barriers facing families is getting NHS speech and language therapy in time. NHS England publishes monthly figures on waiting lists and waiting times for community health services, including children’s speech and language therapy; the question on waiting lists below gives the latest.
At the heart of the problem is a long-running dispute between education and health over who should fund SALT. When a child needs therapy to access education, the SEND Code of Practice says it should be treated as educational provision. But local authorities often argue it is a health responsibility, and NHS commissioners say it is an education one. The result: children fall through the gap.
Campaigning organisations including the RCSLT, Speech and Language UK, and Afasic have called for ring-fenced SALT funding, statutory minimum provision levels, and an end to the education/health boundary dispute. If your child is affected, you can:
Sources
This guide draws on the SEND Code of Practice (2015), RCSLT position papers on SALT in schools and its guidance on developmental language disorder, Speech and Language UK’s (formerly I CAN) Bercow: Ten Years On review, the Speech, Language and Communication Framework, DfE special educational needs in England statistics (January 2026), NHS England community health services waiting list statistics (July 2026), Qualifications Scotland’s assessment arrangements guidance, and guidance from the devolved governments in Wales, Scotland, and Northern Ireland. This guide is for general information only and does not constitute medical or legal advice. It is not a substitute for professional assessment or diagnosis. If you have concerns about your child, speak to their GP, school SENCO, or a relevant specialist. Last reviewed September 2026.
Find SLCN provision near you
The free SEND school finder lists special schools across the UK and mainstream schools with a recorded specialist unit or resourced provision, and lets you browse schools in England by type of need, including speech, language and communication.
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