Call us on: 020 7935 2023 24 hours a day / 7 days a week

We are OPEN 6 days a week at 134 Harley Street, Monday to Saturday.
Phone and video consultations are also available, and can be covered by your private medical insurers or self pay. We now also offer COVID-19 home testing kits.

Contact us for appointments – in person, by phone or video consultation.

Dr Helen Cox

Consultant in Paediatric Allergy, Asthma and Immunology

Primary Contact:
Hazel Ryan (secretary)
0208 367 7275
Personal website:


Dr Helen Cox is one of the few recognised UK specialists in paediatric allergy. She has extensive experience in the management of children with food allergy, eczema, asthma, hayfever, drug and insect sting allergy.

She read medicine at Cape Town University, followed by specialist training in paediatrics, immunology and allergy at Guys, Great Ormond street and the John Radcliffe Hospital. She was awarded her medical doctorate for research into eczema genetics. She is clinical lead consultant in Paediatric Allergy at Imperial College NHS Trust, and clinical course leader for the MSC in Clinical Allergy. She is an author of the NICE guideline for eczema and is helping develop national care pathways with the Royal College of Paediatrics and child health for children with allergic diseases.

Her service offers:

  • Comprehensive allergy assessment
  • Immunology assessment
  • Allergy tests and nutritional screen
  • Lung function testing
  • Food and drug challenge testing
  • Injectable and sublingual immunotherapy.

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