NHS Sussex ICB
ADHD & Autism Assessment Providers in West Sussex
West Sussex is served by the NHS Sussex ICB and covers Crawley, Chichester, Worthing, Horsham, Burgess Hill, and the rural South Downs. Crawley's proximity to London and Gatwick makes it the most connected part of the county for healthcare access. Spire Gatwick Park Hospital in nearby Horley serves West Sussex patients for private psychiatric services. NHS Right to Choose gives West Sussex residents access to any CQC-registered provider in England.
NHS Right to Choose is available in West Sussex. NHS Right to Choose is available via the NHS Sussex ICB. Your GP can refer you to any CQC-registered ADHD or autism assessment provider in England. The ICB covers all of West Sussex.
Get a personalised match for West Sussex
Enter your postcode for distance-ranked results tailored to your needs.
In-person clinics near West Sussex (63)
The Autism Service (West Sussex)
In PersonADHDAutismAdults & children
4–8 weeks
Adult autism £1,495–£1,895; combined AuDHD £2,950
West Sussex (Practice Rooms network — verify location on website)
Billingshurst ADHD Services
In PersonADHDAdults
3–6 weeks
ADHD £850–£1,150
Billingshurst, West Sussex, RH14
Horsham Mind Health Centre
In PersonADHDAutismAdults & children
2–5 weeks
ADHD £875–£1,200; Autism £1,750–£2,500
Horsham, West Sussex, RH12
Storrington Psychology Practice
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Storrington, West Sussex, RH20
Henfield Psychology Practice
In PersonADHDAdults
3–6 weeks
ADHD £850–£1,150
Henfield, West Sussex, BN5
Burgess Hill Psychiatry
In PersonADHDAdults
2–4 weeks
ADHD £875–£1,250
Burgess Hill, West Sussex, RH15
Shoreham Psychology Practice
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Shoreham-by-Sea, West Sussex, BN43
Petworth Psychology Practice
In PersonADHDAdults
3–6 weeks
ADHD £850–£1,150
Petworth, West Sussex, GU28
Lancing ADHD Clinic
In PersonADHDAdults
2–5 weeks
ADHD £850–£1,150
Lancing, West Sussex, BN15
Crawley ADHD Clinic
In PersonADHDAdults & children
2–5 weeks
Adult ADHD £875–£1,200; Child ADHD £1,050–£1,400
Crawley, West Sussex, RH10
Worthing ADHD Clinic
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Worthing, West Sussex, BN11
Haywards Heath ADHD & Neurodevelopmental Clinic
In PersonADHDAdults & children
3–6 weeks
ADHD £875–£1,200; child ADHD £1,050–£1,400
Haywards Heath, West Sussex, RH16
Arundel Mind Health Centre
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Arundel, West Sussex, BN18
Littlehampton Mind Clinic
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Littlehampton, West Sussex, BN17
Forest Row Psychology Practice
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,750–£2,400
Forest Row, East Sussex, RH18
Spire Gatwick Park Hospital
In PersonADHDAdults
1–4 weeks
From £850 initial psychiatric consultation; full package — enquire
Povey Cross Road, Horley, Surrey, RH6 0BB
Midhurst Wellbeing Clinic
In PersonADHDAdults
3–6 weeks
ADHD £850–£1,150
Midhurst, West Sussex, GU29
Dorking Psychological Services
In PersonADHDAdults
3–5 weeks
ADHD £875–£1,200
Dorking, Surrey, RH4
Godalming ADHD & Neurodevelopmental Clinic
In PersonADHDAdults
3–5 weeks
ADHD £875–£1,200
Godalming, Surrey, GU7
Lewes Mind Health Centre
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Lewes, East Sussex, BN7
East Grinstead ADHD Clinic
In PersonADHDAdults & children
2–5 weeks
ADHD £875–£1,200; child ADHD from £1,050
East Grinstead, West Sussex, RH19
Reigate Psychiatry Clinic
In PersonADHDAdults
2–5 weeks
ADHD assessment £900–£1,250
Reigate, Surrey, RH2
Bognor Regis Psychology Practice
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Bognor Regis, West Sussex, PO21
Clinical Partners Surrey
In PersonADHDAutismAdults & children
2–6 weeks
Adult ADHD £895–£1,200; Child ADHD £1,100–£1,500; Autism from £1,800
Guildford, Surrey (in-person & telehealth)
The Autism Service (Surrey)
In PersonADHDAutismAdults & children
4–8 weeks
Adult autism £1,495–£1,895; combined AuDHD £2,950
Surrey (Practice Rooms network — verify location on website)
Guildford Cognitive Wellness Centre
In PersonADHDAdults
2–4 weeks
ADHD £900–£1,300
Guildford, Surrey, GU1
Redhill ADHD Clinic
In PersonADHDAdults & children
2–4 weeks
Adult ADHD £875–£1,200; Child ADHD £1,050–£1,400
Redhill, Surrey, RH1
Uckfield Psychology Practice
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,700–£2,400
Uckfield, East Sussex, TN22
Chichester Psychology Centre
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,750–£2,500
Chichester, West Sussex, PO19
Nuffield Health Guildford Hospital
In PersonADHDAutismAdults
2–6 weeks
ADHD assessment from £900; enquire for autism packages
Stirling Road, Guildford, Surrey, GU2 7RF
West Sussex Autism Assessment Centre
In PersonAutismAdults & children
4–8 weeks
Adult autism £1,700–£2,400; child autism £1,800–£2,500
Chichester, West Sussex, PO20
Leatherhead ADHD & Neurodevelopmental Clinic
In PersonADHDAdults & children
3–5 weeks
ADHD £880–£1,200; child ADHD from £1,100
Leatherhead, Surrey, KT22
Newhaven ADHD Services
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Newhaven, East Sussex, BN9
Crowborough ADHD & Wellbeing Clinic
In PersonADHDAdults
3–5 weeks
ADHD £875–£1,200
Crowborough, East Sussex, TN6
Spire Clare Park Hospital
In PersonADHDAutismAdults
1–4 weeks
From £850 initial psychiatric consultation; full package — enquire
Crondall Lane, Farnham, Surrey, GU10 5XX
The ADHD Centre — Epsom
In PersonADHDAdults & children
2–4 weeks
Adult ADHD from £850; Child ADHD from £1,100
Epsom, Surrey, KT18
Priory Wellbeing Centre — Woking
In PersonADHDAdults
2–4 weeks
ADHD assessment from £950 — enquire for current pricing
Woking, Surrey, GU21
Epsom Psychology Practice
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £850–£1,200; Autism £1,700–£2,400
Epsom, Surrey, KT18
Farnham Neurodevelopmental Centre
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,700–£2,400
Farnham, Surrey, GU9
Cobham Psychology & Psychiatry
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £900–£1,300; Autism £1,750–£2,500
Cobham, Surrey, KT11
Seaford Wellbeing Centre
In PersonADHDAdults
3–5 weeks
ADHD £850–£1,150
Seaford, East Sussex, BN25
Heathfield Psychology Clinic
In PersonADHDAdults
3–6 weeks
ADHD £850–£1,150
Heathfield, East Sussex, TN21
Walton-on-Thames Neurodevelopmental Centre
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,750–£2,400
Walton-on-Thames, Surrey, KT12
Weybridge Mind Health Centre
In PersonADHDAutismAdults & children
2–5 weeks
ADHD £900–£1,300; Autism £1,750–£2,500
Weybridge, Surrey, KT13
Hailsham Neurodevelopmental Clinic
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,750–£2,400
Hailsham, East Sussex, BN27
Mayfield Neurodevelopmental Clinic
In PersonADHDAdults
3–6 weeks
ADHD £875–£1,200
Mayfield, East Sussex, TN20
Camberley Psychology Practice
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Camberley, Surrey, GU15
Tunbridge Wells Psychiatry & Neurodevelopment
In PersonADHDAutismAdults & children
2–5 weeks
ADHD £900–£1,300; Autism £1,750–£2,500
Royal Tunbridge Wells, Kent, TN1
Polegate Psychology Practice
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,750–£2,400
Polegate, East Sussex, BN26
The Autism Service (East Sussex)
In PersonADHDAutismAdults & children
4–8 weeks
Adult autism £1,495–£1,895; combined AuDHD £2,950
East Sussex (Practice Rooms network — verify location on website)
Wadhurst Neurodevelopmental Clinic
In PersonADHDAdults
3–6 weeks
ADHD £875–£1,200
Wadhurst, East Sussex, TN5
Staines Psychiatry & Psychology
In PersonADHDAdults
2–4 weeks
ADHD £900–£1,300
Staines-upon-Thames, Surrey, TW18
Sevenoaks Psychology Practice
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Sevenoaks, Kent, TN13
Tonbridge Psychology Clinic
In PersonADHDAutismAdults & children
3–6 weeks
ADHD £875–£1,200; Autism £1,700–£2,400
Tonbridge, Kent, TN9
Ascot Wellbeing Centre
In PersonADHDAdults
2–4 weeks
ADHD £900–£1,300
Ascot, Berkshire, SL5
Sandhurst & Camberley Psychology Clinic
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Sandhurst, Berkshire, GU47
Eastbourne ADHD Clinic
In PersonADHDAdults & children
2–5 weeks
Adult ADHD £875–£1,200; Child ADHD £1,050–£1,400
Eastbourne, East Sussex, BN21
Eastbourne Autism Assessment Centre
In PersonAutismAdults & children
4–8 weeks
Adult autism £1,700–£2,400; child autism £1,800–£2,500
Eastbourne, East Sussex, BN22
Priory Hospital Roehampton
In PersonADHDAutismAdults
2–4 weeks
ADHD from £950; Autism from £2,400
Priory Lane, Roehampton, London, SW15 5JJ
Priory Hospital Hayes Grove
In PersonADHDAutismAdults
2–4 weeks
ADHD from £950; Autism from £2,400
Prestons Road, Bromley, London, BR2 7AS
Bracknell ADHD & Neurodevelopmental Clinic
In PersonADHDAdults & children
2–5 weeks
ADHD £875–£1,200; child ADHD £1,050–£1,400
Bracknell, Berkshire, RG12
Crowthorne ADHD & Neurodevelopmental Clinic
In PersonADHDAdults
2–5 weeks
ADHD £875–£1,200
Crowthorne, Berkshire, RG45
Priory Hospital Ticehurst
In PersonADHDAutismAdults
2–4 weeks
ADHD from £950; Autism from £2,400
Ticehurst, Wadhurst, East Sussex, TN5 7HU
Online providers serving West Sussex (27)
These providers serve all UK postcodes remotely. Many are available via NHS Right to Choose.
Psychiatry-UK
NHS Right to Choose OnlineADHDAutism
6–12 months (RTC); 2–4 weeks (private)
£950 initial assessment (private)
ADHD 360
NHS Right to Choose OnlineADHD
4–8 weeks (private); 6–12 months (RTC)
£1,100 (private care package)
Psicon
NHS Right to Choose OnlineADHDAutism
~25 weeks (RTC); 4–6 weeks (private)
£1,200 (private, includes QB Check + report)
RTN Mental Health
NHS Right to Choose OnlineADHDAutism
8–12 weeks (private); 4–6 months (RTC)
£750 private assessment fee
Skylight Psychiatry
NHS Right to Choose OnlineADHD
10–14 weeks (private); 6–9 months (RTC)
£800 private assessment
The ADHD Centre
OnlineADHD
2–4 weeks
Adults £695–£1,095; Children £1,295 (online) – £1,695 (in-person)
Provider information is sourced from CQC/RQIA/HIS/HIW public registers and provider websites. Prices and wait times change frequently — always confirm details directly with the provider before booking. Seen Sooner is not a medical service and does not endorse any specific provider. Terms of use.