Developmental delay specialists in the UK

Dementech: Priority Neurological & Psychiatric CareDementech is a leading London-based clinic providing expert-led care in adult and paediatric neurology, psychiatry, and psychology. We specialise in reducing the time to diagnosis, offering rapid-access specialist appointments and accelerated pathways for ADHD, ASD, Parkinson’s, and Dementia.The Dementech Difference:Priority Booking: We offer fast-track access to our consultant-led team, with next-day appointments frequently available to ensure you are seen without delay. 72-Hour Memory Clinic: Our signature diagnostic pathway for Dementia and memory concerns is designed to deliver a comprehensive assessment and bespoke care plan within days. Multidisciplinary Hub: By housing neurologists, psychiatrists, and psychologists in one location, we provide a seamless, coordinated approach to patient health. Tailored Care Pathways: We develop individualised treatment plans for Migraines, movement disorders, and complex mental health, focusing on research-led therapies for those with challenging symptoms. Take control of your health journey. Experience a faster, integrated pathway to specialist care in the heart of London.

The Devonshire Diagnostic Centre offers fast, personalised diagnostic care in Marylebone, open six days a week. Same-day appointments and results within 48 hours are standard. World-renowned consultants and trained radiographers carry out multiple tests in one visit, with minimally invasive treatments available on the same day when clinically appropriate.What medical services does it specialise in? The Devonshire Diagnostic Centre at The Harley Street Clinic brings together specialists across a focused range of disciplines, each supported by advanced diagnostic technology. Breast care is also available, with specialist assessment provided to patients as required. Cardiology (cardiac care and investigations) Otolaryngology — ear, nose and throat (ENT) Endocrinology and diabetes care Medical oncology (cancer treatment) Orthopaedic surgery Urology Vascular surgery What tests and treatments does it offer? Some of the medical tests and care services offered at Devonshire Diagnostic Centre include: digital X-ray, MRI, CT scanning, cancer screening, cystoscopy and diagnostic ultrasound. What quality and safety standards does Devonshire Diagnostic Centre (HCA) meet? The Devonshire Diagnostic Centre holds a CQC Good rating. Its clinical radiologists are qualified doctors intensively trained to perform and interpret medical imaging. The centre supports seamless onward referral within the HCA UK network for complex or specialist care beyond diagnostics. Where is Devonshire Diagnostic Centre (HCA) located? 13–19 Devonshire Street, Marylebone, W1G. Near Great Portland Street and Warren Street stations (10 min walk). On-road metered parking nearby. What other HCA Healthcare UK centres are there in Central London? The Harley Street Clinic — Located at 35 Weymouth Street, Marylebone. The Princess Grace Hospital — Full-service private hospital on Nottingham Place, Marylebone. The Princess Grace Hospital Outpatients — Outpatient and diagnostic centre at 30 Devonshire Street. Women's Health Centre (HCA) — Specialist women's health services on Harley Street. Leaders in Oncology Care (LOC) — Specialist cancer care centre on Harley Street.