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Allergy blood tests in London, compared
This page compares six London allergy blood tests, including The Wellness, where one blood draw is read by a doctor, from a targeted screen at £395 to a molecular profile of around 300 allergen components with a full doctor consultation at £1,495.
Updated 23 October 2026
How much is an allergy test in London?
At The Wellness one blood draw covers from a targeted screen at £395 to around 300 allergen components at £1,495, and a doctor reads every result with you. Elsewhere in London an allergy blood panel costs from about £400 to £595, and two clinics quote on request. We read each price on the provider's own website on 23 October 2026.
| Provider | Test | Published price | What the price includes | Where |
|---|---|---|---|---|
| The Wellness | Foundation, Comprehensive and Precision Molecular screens | £395, £695 or £1,495 | One blood draw at an accredited London laboratory, read by a doctor. Comprehensive covers airborne and food panels with total IgE and a one to one review, and Precision Molecular covers around 300 allergen components with a full doctor consultation. | Blood drawn in London, results reviewed by a doctor |
| Harley Street Health Centre | Comprehensive Allergy Blood Test | £595 | A broad food and environmental allergy blood test, with results in 5 working days. | Harley Street and the City |
| Private Blood Tests London | ALEX allergy test | about £460 with the blood draw | 295 allergen components from one blood sample, with results in 3 to 4 working days. Results come with reference ranges only, and no medical interpretation. | South Kensington |
| Medichecks | Allergy Screen (Inhalants and Foods) | about £450, plus about £35 for a clinic draw | 42 common inhaled and food allergens with a doctor’s written report, results in about 6 working days. The UK screen is about £400. | Partner clinics, or a nurse at home |
| Welbeck | Allergy blood tests | Does not publish | Allergy blood tests at a specialist centre, with results usually within 3 days. | 1 Welbeck Street, Marylebone |
| The London Clinic | Allergy testing | Does not publish | Blood, skin prick and patch testing at a hospital, usually over two to three appointments. | 20 Devonshire Place, Marylebone |
We read each provider’s prices on its own website on 23 October 2026. The links to every page we read are at the end of this page.
How an allergy test at The Wellness works
A doctor helps you choose the panel from your history, so the test answers your question rather than listing everything. One blood draw covers your main trigger group at £395, airborne and food together with total IgE at £695, or around 300 allergen components at £1,495, which separates a true allergy from a harmless cross reaction. A doctor reads every result, and the Precision profile includes a full consultation and a written plan.
What you get at The Wellness
- One blood draw, from £395 for a targeted screen.
- Airborne and food panels together with total IgE, £695.
- Around 300 allergen components with a full doctor consultation, £1,495.
- A doctor reads every result, with a written plan.
The evidence behind how we do it
At The Wellness a doctor reads every result with you and says what it means for your care, and what, if anything, to test next.
Results that nobody acts on are a known failure in outpatient care. A systematic review of 19 studies found that between 6.8% and 62% of laboratory results were not followed up, and missed results were linked to delayed diagnoses. Callen and colleagues, Failure to follow-up test results for ambulatory patients, a systematic review, Journal of General Internal Medicine, 2012
Ask which allergy test fits
Message us with your symptoms and what you suspect, and a clinician will suggest the panel that fits. Messages are usually answered within minutes.
Ask a clinicianQuestions to ask before any allergy test
- Does the test measure specific IgE, or IgG?
- Will a doctor choose the panel from my history?
- Who explains the result, and what happens next?
- Can it separate a true allergy from a cross reaction?
How to read an allergy test price
Check whether the blood draw is included, because several providers add it on top.
Check whether a doctor interprets the result, because some panels come with reference ranges only.
What the evidence says
For children and young people, NICE says the choice between a skin prick test and a specific IgE blood test should be based on an allergy focused clinical history. NICE guideline CG116, Food allergy in under 19s, assessment and diagnosis, 2011
NICE advises against serum specific IgG testing, the vega test, applied kinesiology and hair analysis for diagnosing food allergy. NICE guideline CG116, Food allergy in under 19s, assessment and diagnosis, 2011
Warning signs at any provider
- An IgG intolerance test sold as an allergy test.
- Hundreds of results with no one to explain them.
- A panel chosen without asking about your symptoms.
What else people ask
At the providers on this page an allergy blood panel costs from about £400 at Medichecks to £595 at Harley Street Health Centre. At The Wellness it is £395, £695 or £1,495, with a doctor reading every result. We read each price on the provider's own website on 23 October 2026.
It measures your antibodies to individual proteins within an allergen rather than to the whole food or pollen. That helps tell a true allergy from a cross reaction that is unlikely to cause harm.
No. NICE advises against serum specific IgG testing, the basis of many intolerance kits, for diagnosing food allergy. Allergy blood tests measure specific IgE.
Where each figure and finding comes from
- The Wellness, thewellnesslondon.com/services/allergy-testing
- Harley Street Health Centre, harleyhealthcentre.com/allergies, read 23 October 2026
- Private Blood Tests London, privatebloodtestslondon.co.uk/allergy-test, read 23 October 2026
- Medichecks, medichecks.com/products/allergy-screen-inhalants-and-foods-blood-test, read 23 October 2026
- Welbeck, welbeck.com/tests-and-treatments/allergy-blood-tests, read 23 October 2026
- The London Clinic, thelondonclinic.co.uk/services/diagnostics/allergy-testing, read 23 October 2026
- NICE guideline CG116, Food allergy in under 19s, assessment and diagnosis, 2011
Written and reviewed by the clinical team at The Wellness. Last reviewed Medically reviewed by Dr Sofian Youssef, GMC 7713973
Request an allergy test at The Wellness
One blood draw read by a doctor, from £395.
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