ADHD & Autism Assessment Providers in West Sussex

Part of The Autism Service national clinic network. ADOS-2 and ADI-R assessments for adults and children from age 3. Verify current West Sussex clinic location on their website.

Private ADHD assessment service in Billingshurst. Adult ADHD. In-person and online. Serves the Weald between Horsham and Petworth. Verify CQC registration and availability before booking.

Private mental health and neurodevelopmental clinic in Horsham. Adults and children. ADHD and autism assessment. Serves mid-Sussex and the Surrey border. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Storrington. Adult ADHD assessment. Serves the Adur valley and South Downs between Horsham and Worthing. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Henfield. Adult ADHD assessment. Serves the South Downs between Brighton and Horsham. Verify CQC registration, availability, and pricing before booking.

Private psychiatry practice in Burgess Hill. Adult ADHD assessment. Serves mid-Sussex including Haywards Heath and Burgess Hill. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Shoreham. Adult ADHD assessment. Serves the coast between Brighton and Worthing. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Petworth. Adult ADHD assessment. Serves the South Downs between Chichester and Horsham. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in Lancing. Adult ADHD. In-person and online. Serves the West Sussex coast between Worthing and Shoreham-by-Sea. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in Crawley. Adults and children. In-person and online. Serves Crawley, Horley, and the Gatwick area. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in Worthing. Adult ADHD. In-person and online. Serves Worthing, Lancing, and the coast between Brighton and Chichester. Verify CQC registration and availability before booking.

Private ADHD assessment clinic in Haywards Heath. Adults and children. Serves the mid-Sussex corridor. Verify CQC registration, availability, and pricing before booking.

Private mental health and ADHD clinic in Arundel. Adult ADHD assessment. Serves the Arun valley between Chichester and Worthing. Verify CQC registration, availability, and pricing before booking.

Private mental health and ADHD clinic in Littlehampton. Adult ADHD assessment. Serves the Arun coast. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Forest Row. Adults and children. ADHD and autism assessment. Serves the Ashdown Forest area and East Grinstead. Verify CQC registration, availability, and pricing before booking.

Spire private hospital near Gatwick serving west Surrey and north-west Sussex. Outpatient psychiatry for adult ADHD and mental health assessment. Accepts major private health insurance. Convenient for Crawley, Horley, and the Gatwick corridor. Verify consultant availability before booking.

Private wellbeing and ADHD clinic in Midhurst. Adult ADHD assessment. Serves the South Downs between Chichester and Petworth. Verify CQC registration and availability before booking.

Independent private psychology practice in Dorking serving the Surrey Hills area. Adult ADHD assessment and diagnosis. Verify CQC registration, current availability, and pricing before booking.

Private ADHD assessment clinic in Godalming serving the Guildford and Haslemere corridor. Adult ADHD and executive function assessment. Verify CQC registration, availability, and pricing before booking.

Private mental health and ADHD clinic in Lewes. Adult ADHD assessment. Serves Lewes, Seaford, and the South Downs corridor. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in East Grinstead. Adults and children. Serves the Surrey/East Sussex/West Sussex border. In-person and online. Verify CQC registration and availability before booking.

Independent private psychiatry practice in Reigate. Adult ADHD assessment and diagnosis. Shared care letters provided. Verify current CQC registration, availability, and pricing directly with the practice before booking.

Private psychology practice in Bognor Regis. Adult ADHD assessment. Serves the Arun coast including Littlehampton and Selsey. Verify CQC registration, availability, and pricing before booking.

Part of the Clinical Partners national network of psychiatrists and psychologists. NICE-compliant ADHD and autism assessment pathways for adults and children. Combines local in-person appointments with online options. Verify Surrey clinic location directly on their website.

Part of The Autism Service national clinic network. ADOS-2 and ADI-R assessments for adults and children from age 3. Verify current Surrey clinic location on their website. CQC registered under TASCC Ltd. Payment plans available.

Private psychiatry and cognitive assessment clinic in central Guildford. Adult ADHD diagnosis, cognitive testing, and shared care support. Online follow-up appointments available. Verify CQC registration and current availability before booking.

Private ADHD assessment clinic in Redhill serving east Surrey and the Gatwick corridor. Adult and child pathways. In-person and online appointments available. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Uckfield. Adults and children. ADHD and autism assessment. Serves the Weald area. Verify CQC registration, availability, and pricing before booking.

Private psychology and neurodevelopmental clinic in Chichester. Adults and children. ADHD and autism assessment. Serves west Sussex including Bognor Regis and Selsey. Verify CQC registration, availability, and pricing before booking.

Full-service private hospital in central Guildford with outpatient psychiatry. Adult ADHD and autism assessments available via consultant psychiatrists. CQC-rated Good. Accepts BUPA, AXA, Vitality, and other major insurers. Serves Guildford, Woking, and the wider Surrey Heartlands area.

Specialist autism assessment clinic in west Sussex. ADOS-2 and ADI-R pathways for adults and children. Serves West Sussex. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in Leatherhead serving the M25 corridor. Adult and child ADHD diagnostic pathways. Shared care letters for GP handover. Verify CQC registration and availability directly before booking.

Private ADHD assessment service in Newhaven. Adult ADHD. In-person and online. Serves Newhaven and the Ouse Valley between Brighton and Lewes. Verify CQC registration and availability before booking.

Private ADHD assessment clinic in Crowborough. Adult ADHD. Serves the High Weald including Crowborough, Uckfield, and Heathfield. Verify CQC registration and availability before booking.

Private hospital near Farnham serving west Surrey and north-east Hampshire. Outpatient psychiatry covers adult ADHD and autism assessment. Accepts major private health insurance. Verify current consultant availability for neurodevelopmental assessments before booking.

Part of The ADHD Centre national network. Specialist adult and child ADHD assessment and treatment. DIVA-5 and Conners-based assessments. Shared care letters provided to GPs. Verify current Epsom clinic availability directly with The ADHD Centre before booking.

Priory Group outpatient wellbeing service in Woking. Psychiatric assessment for adult ADHD and co-occurring conditions. CQC registered under the Priory Group. Accepts major private health insurance. Verify current location and availability directly with Priory.

Independent psychology and psychiatry practice in Epsom. Adult and child ADHD and autism assessment. NICE-compliant diagnostic pathways. Verify current CQC registration, availability, and pricing directly with the practice.

Private neurodevelopmental assessment clinic in Farnham. Adult and child ADHD and autism pathways. Serves west Surrey and north Hampshire. Verify CQC registration, availability, and pricing directly with the clinic.

Independent psychiatry and psychology practice in Cobham. Adult and child ADHD and autism assessment. Convenient for Esher, Weybridge, and the A3 corridor. Verify CQC registration, availability, and pricing before booking.

Private wellbeing and ADHD clinic in Seaford. Adult ADHD. Serves the Seven Sisters coast between Brighton and Eastbourne. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Heathfield. Adult ADHD assessment. Serves the East Sussex Weald. Verify CQC registration, availability, and pricing before booking.

Independent neurodevelopmental clinic in Walton-on-Thames. Adult and child ADHD and autism assessment. ADOS-2 trained clinicians. Verify CQC registration, availability, and pricing before booking.

Private psychiatry and neurodevelopmental assessment clinic in Weybridge. Adults and children. ADHD and autism diagnostic pathways. Serves Weybridge, Walton, and the north Surrey commuter belt. Verify CQC registration and availability before booking.

Private neurodevelopmental clinic in Hailsham. Adults and children. ADHD and autism assessment. Serves the Hailsham and Polegate area. Verify CQC registration, availability, and pricing before booking.

Private neurodevelopmental clinic in Mayfield. Adult ADHD assessment. Serves the East Sussex Weald between Tunbridge Wells and Eastbourne. Verify CQC registration and availability before booking.

Independent private psychology practice in Camberley serving north-west Surrey and north-east Hampshire. Adult ADHD assessment and diagnosis. Verify CQC registration, availability, and pricing before booking.

Private psychiatry and neurodevelopmental clinic in Tunbridge Wells. Adult and child ADHD and autism assessment. Serves the Tunbridge Wells, Tonbridge, and Sevenoaks corridor. Verify CQC registration, availability, and pricing before booking.

Private psychology practice in Polegate. Adults and children. ADHD and autism assessment. Serves the Eastbourne hinterland and Pevensey Levels. Verify CQC registration, availability, and pricing before booking.

Part of The Autism Service national clinic network. ADOS-2 and ADI-R assessments for adults and children from age 3. Verify current East Sussex clinic location on their website.

Private neurodevelopmental clinic in Wadhurst. Adult ADHD assessment. Located in the High Weald near Priory Ticehurst, serves Wadhurst, Frant, and the Kent/East Sussex border. Verify CQC registration and availability before booking.

Private psychiatry and psychology practice in Staines. Adult ADHD assessment and treatment planning. Convenient for Windsor, Slough, and west Surrey. Verify CQC registration, availability, and current pricing before booking.

Private psychology practice in Sevenoaks. Adult ADHD assessment and psychological support. Serves Sevenoaks, Tonbridge, and north-west Kent. Verify CQC registration, availability, and pricing before booking.

Private psychology and neurodevelopmental clinic in Tonbridge. Adult and child ADHD and autism assessment. Serves Tonbridge, Tunbridge Wells, and the Medway Valley. Verify CQC registration and availability before booking.

Private psychiatry and wellbeing clinic in Ascot. Adult ADHD assessment and treatment planning. Serves Ascot, Sunningdale, and the Windsor Forest area. Verify CQC registration and availability before booking.

Private psychology practice in Sandhurst serving the Berkshire/Surrey border. Adult ADHD assessment. Serves Sandhurst, Camberley, and north-east Berkshire. Verify CQC registration and availability before booking.

Private ADHD assessment clinic in Eastbourne. Adults and children. In-person and online. Serves Eastbourne, Hailsham, and the Pevensey Levels area. Verify CQC registration, availability, and pricing before booking.

Specialist autism assessment clinic in Eastbourne. ADOS-2 and ADI-R pathways for adults and children. Serves east Sussex coast. Verify CQC registration, availability, and pricing before booking.

Major private psychiatric hospital on the Surrey/SW London border. CQC-registered. Outpatient department offers adult ADHD and autism assessments led by consultant psychiatrists. Accepted by AXA, BUPA, Vitality, and most major insurers. Serves Surrey, Richmond, Kingston, and SW London.

Priory Group private psychiatric hospital on the Bromley/north-west Kent border. Outpatient department offers adult ADHD and autism assessments via consultant psychiatrists. CQC-registered. Accepts major private health insurance. Serves Bromley, Sevenoaks, and north-west Kent.

Private ADHD assessment clinic in Bracknell. Adults and children. In-person and online. Serves Bracknell, Wokingham, and east Berkshire. Verify CQC registration, availability, and pricing before booking.

Private ADHD assessment clinic in Crowthorne. Adult ADHD diagnosis. Serves south-east Berkshire including Sandhurst and Finchampstead. Verify CQC registration, availability, and pricing before booking.

Major Priory Group private psychiatric hospital in rural East Sussex. CQC-registered. Offers adult ADHD and psychiatric assessment via outpatient services. Accepts major private health insurance. Set in 48 acres; serves East Sussex, Kent, and the High Weald area.

Largest RTC provider. Has NHS contracts with multiple ICBs. Also offers private adult autism assessments. Medication titration included in RTC pathway. Experiencing high demand — check current wait times on their website.

One of UK's largest specialist ADHD clinics. Assesses ages 6–76+. CQC inspected. Offers structured care packages rather than one-off assessment fees — compare total cost not just headline price. Capacity for 2,000+ new patients per month.

CQC registered since 2019. Works on behalf of multiple NHS Trusts and ICBs. QB Check included as standard. Also offers autism assessments. Online not suitable for all children — clinical suitability assessed first.

Operating since 2007, ADHD services since 2015. Key differentiator: they manage prescribing and annual reviews directly, removing the need for GP shared care. Important: currently rated 1.6/5 from 77 Trustpilot reviews with widespread complaints about communication — read current reviews carefully before requesting a referral.

Online-only RTC provider. Titration and prescribing handled by sister company RTN Medical (CQC regulated). Relatively newer entrant — verify current wait times and patient feedback.

Smaller RTC provider. Clinical Director Dr Caryl Marshall. Verify current capacity and whether still actively accepting new RTC referrals.

One of the largest private providers. Very fast access. In-person clinics across the UK plus online. Follow-up appointments with nurse prescribers £165–£225. Does NOT accept Right to Choose — private pay only. Good option when speed is critical.

London-based with online option. Uses Conners 3 diagnostic tool for children. Children age 9+ only. Follow-ups £295, repeat prescriptions £75. Wide price range depending on clinician grade and format — check which tier suits.