Functional Behaviour Assessments: What is it & How does it help Autistic & SEN Children?
"A Functional Behaviour Assessment (FBA) is a structured, compassionate process that our Board-Certified Behaviour Analysts use to understand the reasons behind a child's challenging behaviour — and to build a personalised support plan that helps them feel understood, safe, and supported."
Functional Behaviour Assessments in ABA Therapy
Are you looking for Compassionate Child Behaviour Support for Autistic or SEN individuals?
We understand that navigating the world of Behaviour Support can feel overwhelming - especially when you're doing everything you can to help your child thrive.
One of the most valuable tools in understanding your child’s needs is something called a Functional Behaviour Assessment (FBA).
It’s not just a fancy term, it’s a thoughtful, person-centered process that helps us see the ‘why’ behind certain behaviours, especially those that may seem challenging or confusing to us neurotypicals.
-
Every behaviour serves a purpose. Whether your child is asking for help, avoiding a situation, seeking attention, or trying to cope with overwhelming emotions; their behaviour is meaningful communication.
Rather than seeing behaviour as something to be punished or eliminated, we approach it as a message.
A Functional Behaviour Assessment gives us the tools to understand what that message is. By looking closely at what happens before and after a behaviour, and what background factors may be influencing it, we can create support that produces lasting positive change, not just short-term compliance.
💬 Why Is an FBA So Important?
The goal of a Functional Behaviour Assessment isn’t to “fix” your child - it is to help them feel understood and supported.
Here’s what the process aims to do:
Identify behaviours: What exactly is happening?
Understand the triggers (also called antecedents): When and why do these behaviours tend to happen?
Explore the outcomes (or consequences): What happens after the behaviour that might be encouraging it to continue?
Uncover background factors: Are there certain settings, routines, or stressors that may be making things more difficult?
Once we have this full picture, we can move forward in a way that’s thoughtful, tailored, and proactive.
-
Following the assessment we develop a Personalised Behaviour Support Plan (BSP) specifically for your child.
This is not a one-size-fits-all checklist. It is a person-centred framework designed around your child's unique needs, goals, and personality. The plan uses a mix of proactive strategies, put in place before a challenging behaviour happens to reduce triggers and offer safer ways to get needs met and reactive strategies for managing moments of difficulty calmly and consistently. Wherever possible we include your child's own voice in this process. We listen to them, we learn from them, and we work to ensure they feel heard throughout.
Our Support plan includes:
Positive, evidence-based strategies.
Skill-building opportunities to help your child manage big feelings and situations in safe ways.
Supports for meaningful, joyful engagement in activities they love.
Alternatives to behaviours that may be harmful or distressing.
🌈 How does a Positive Behaviour Support (PBS) Approach Help Autistic Children & SEN kids?
Autistic Children (and SEN Adults too) need tools to self-regulate and communicate in a way that the world understands them, and in a way that nurtures their own well-being.
The aim is to understand your Autistic child fully.
At All Behaviour Consultancy, our approach is always grounded in Positive Behaviour Support (PBS).
This means we:
Focus on why a behaviour is happening (its function)
Look for ways to support, not suppress
Believe that all behaviour is communication
Aim to increase positive, socially meaningful behaviours
Equip your child with functional communication skills
Respect and honour your child’s unique neurodiversity
Using a PBS framework, we work proactively to reduce worrying and challenging behaviours - never through punishment or compliance-based techniques, but through kindness, understanding, and skill-building.
What’s the Difference Between Proactive and Reactive Autism Behaviour Strategies?
In our Child Behaviour Support Plans, we use a mix of proactive and reactive strategies.
Proactive Strategies:
These are put in place before a challenging behaviour happens. Think of them as preventative care - they reduce triggers and offer your child safer, more effective ways to get their needs met.
This might include:
Helping your child ask for a break when overwhelmed
Adjusting environments to make them more predictable and comfortable
Teaching step-by-step ways to cope with frustration
Reactive Strategies:
These come into play when a challenging behaviour does happen.
The goal is always safety and support - never punishment.
Reactive strategies help manage the situation with a safe, calm resolution while preserving your child’s dignity and well-being.
What Parents Need to Know about Functional Behaviour Assessments.
-
Not at all. While many of the children we support are autistic, Functional Behaviour Assessments are helpful for anyone experiencing behaviours that interfere with their learning, relationships, or wellbeing. This includes children with ADHD, developmental delays, learning disabilities, complex communication needs, and a range of other special educational needs. If a behaviour is causing difficulty for your child or your family, an FBA can help, regardless of diagnosis.
-
Yes, absolutely.
We believe your child's input is essential. Wherever possible we include their voice, preferences, and experiences to make sure the strategies feel supportive rather than imposed.
For children with limited verbal communication we use alternative communication methods including visuals, symbols, and communication devices to ensure they can participate meaningfully. This is not something we do to your child. It is something we do…with them.
-
A Functional Behaviour Assessment is a crucial first step within our ABA framework, but it is one part of a much wider picture. At All Behaviour Consultancy our approach is always grounded in Positive Behaviour Support (PBS). This means we work proactively to reduce challenging behaviours; never through punishment or compliance-based techniques, but through kindness, understanding, and skill-building. The FBA gives us the evidence base for everything that follows. It ensures that every strategy we recommend is matched to the actual function of the behaviour, not a generic response to what the behaviour looks like on the surface.
-
Getting started is simple. Just reach out to us through our contact page or give us a call. We’ll schedule a friendly, no-pressure chat to learn more about your child and how we can help.
Meet our CEO & Founder, Georgiana Koyama, BCBA, MSc, UKBA (cert), IBA.
"To sum up, a Functional Behaviour Assessment is an individualised, strengths-based guide that's built around your child's needs, goals, and personality."
"Autistic Children (and SEN Adults too) can be understood, and feel safe when they are supported with the right tools."
Contact us
We are based in South London, and provide ABA therapy at home in the London areas, as well as offering online ABA services to the rest of the UK.
Please don’t hesitate to get in touch, we’d love to hear from you.