Why NHS SEND Waiting Lists Are So Long

If your child is stuck on a waiting list, it helps to understand that the wait is a symptom of a system under strain — not a judgement on how much your child needs help. Several pressures have combined to push NHS SEND waits to record levels.

Demand has risen sharply

Awareness of autism, ADHD and other neurodevelopmental conditions has grown quickly, and referrals have risen with it. The Nuffield Trust describes the waiting lists for autism and ADHD assessments as growing rapidly. One marker of rising demand: the number of patients prescribed ADHD medication in England rose by around 51% between 2019/20 and 2022/23.

There are not enough specialists

The specialist workforce — paediatricians, psychologists, speech and language therapists, occupational therapists — has not grown to match demand. Long waits also damage morale and retention in these services, which makes capacity harder to rebuild.

Funding has not kept pace

Years of funding pressure, compounded by pandemic backlogs, have left services unable to clear the queue. In early 2026 the strain was acute enough that the number of assessments funded by some Integrated Care Boards exceeded their budgets part-way through the year, and several areas instructed providers to pause new NHS Right to Choose bookings.

What this means for your family

Knowing the causes does not shorten the wait, but it does help you plan. You can see typical waits by service on our NHS waiting times estimator, understand why waits vary so much by area, and read what you can do while waiting. If you are weighing up a private route, our cost calculator shows realistic price ranges.

Sources

• Nuffield Trust — rapidly growing waiting lists for autism and ADHD assessments
• Children’s Commissioner — waiting times for neurodevelopmental assessments

For planning only; not clinical advice. Data reviewed: June 2026.