Private Sexual Health Testing & Treatment in London
Harley Street's leading private sexual health clinic.
Over 40 years' experience and thousands of patients tested and treated, always with absolute discretion.
Walk in today or book online. Testing, diagnosis and treatment - all in one visit.
Harley Street
London's Premier Medical District
All-inclusive Packages
All packages include a consultation with an expert doctor, testing at a UKAS accredited lab, secure results delivery and a prescription for treatment if needed.
Complete service at a set price.
Need results the same day? Our same-day STI test results service returns core panel results within 6 hours.
Silver
Comprehensive 8-test screen
Includes tests for:
- All Bronze tests
- Mycoplasma Genitalium
- Ureaplasma
- Gardnerella
- Herpes I & II
Gold
Complete 12-test screen
Includes tests for:
- All Silver tests
- Trichomonas Vaginalis
- Hepatitis B
- Hepatitis C
Platinum
Our most extensive screen + HPV
Includes tests for:
- All Gold tests
- HPV Testing
FAST Screen Simple
HIV, Syphilis, Chlamydia, Gonorrhoea. Results for all in 6 hours.
Includes tests for:
- HIV
- Syphilis
- Chlamydia
- Gonorrhoea
- Results for all in 6 hours
FAST Screen Complex
HIV, Syphilis, Hepatitis B, Hepatitis C, Chlamydia, Gonorrhoea. Results for all in 6 hours.
Includes tests for:
- HIV
- Syphilis
- Hepatitis B
- Hepatitis C
- Chlamydia
- Gonorrhoea
- Results for all in 6 hours
Your privacy is protected
As part of a multi-disciplinary clinic, no other service users will know your reason for visiting. We guarantee complete discretion at every step.
Cash Accepted
Pay in cash. Nothing appears on your bank statement.
Use a Pseudonym
Register under any name. 100% anonymous service.
No Notification
We never contact any other person about your results, no partner or GP notifications.
Multi-Disciplinary Cover
No one knows why you're visiting. We're a general medical clinic.
A Harley Street doctor,
with complete discretion
Our clinic has been caring for patients on Harley Street since 1984. Walk in or book today. A GMC-registered doctor will examine you, test you and treat you, usually in one visit. Nobody else needs to know you came.
Regulated like a hospital
CQC-registered clinic, UKAS-accredited laboratories. The same standards your NHS hospital works to, without the wait.
Nobody will know why you're here
We're part of Medical Express Clinic, a general practice. To anyone in the waiting room you're here for a blood test or a check-up.
Private means private
Your card statement says 'Medical Express Clinic'. You can use a pseudonym. Cash is accepted. Nothing goes to your GP unless you ask.
Prefer to talk first? Call 020 3475 1653.
Suite 17, 117A Harley Street
London W1G 6AT
Are you experiencing symptoms?
Click below for more information regarding your symptoms. We highly recommend booking a package when symptomatic.
All packages include a Consultation and Examination with a highly experienced Harley Street doctor, the relevant tests for your symptoms and a prescription for treatment.
STD Symptom Checker
Find the right testing option for your needs in minutes.
Step 1 of 7
Step 1: What is your biological sex?
© Medical Express Clinic 2025 • Confidential & Secure
We are a complete service, offering Consultations, Examinations, Testing and Treatment all from our Harley Street clinic.
Don't accept inferior pathways — home testing kits or test only providers. Your sexual health deserves the accuracy and clinical care: proper testing and treatment from experienced private doctors.
Your Doctors
Every patient sees an experienced, GMC-registered doctor who can examine, diagnose and prescribe treatment on the spot. Not a nurse, not a healthcare assistant.
Dr Mohammad Bakhtiar
Clinical Lead
MBBS, MRCGP · GMC 4694470
Leading our clinical team, Dr Bakhtiar has been seeing patients at Medical Express Clinic for over 20 years. Patients regularly praise his expertise in sexual health screening, diagnosis and treatment as well as his personable and compassionate approach to care.
Dr Penelope Sheehan
General Practitioner
MBChB, MRCGP · GMC 6056535
Specialising in women's health and hormonal balance. Dr Sheehan's compassionate and understanding approach is particularly valued by our patients seeking confidential sexual health consultations.
Mr Hikmat Naoum
Consultant Gynaecologist
FRCS · GMC 3047637
Expert consultant with wide experience in gynaecology. Mr Naoum carries out HPV treatment for both men and women, alongside diagnostic procedures and specialist care. Patients appreciate his professional expertise and personal approach.
All clinicians are registered with the General Medical Council. Your consultation is confidential and covered by doctor-patient privilege.
The Process
It's as simple as:
Book Online or Walk-In
Choose your test or package and select a convenient appointment time. Same-day slots often available.
Visit the Clinic
Attend your appointment at our private Harley Street clinic. Judgement-free doctors with quick and easy sample collection.
Get Results
Receive your results securely and as early as 6 hours later. Treatment available same-day if needed and indicated.
A private STD & STI clinic in London
Our private STD and STI clinic on Harley Street offers confidential testing, diagnosis and treatment in a single visit — from £104, with results from 6 hours on most panels. Walk in or book online seven days a week, billed discreetly as Medical Express Clinic.
How much does private STD testing cost in London?
Individual tests start from £104. Comprehensive STI screens and packages are priced on our tests and packages pages — all fees are confirmed before you book.
Can I walk in to your private STD clinic?
Yes. We accept walk-ins and online bookings seven days a week at 117a Harley Street. Same-day appointments are usually available.
What is the difference between an STI clinic and a GUM clinic?
GUM (genitourinary medicine) clinics specialise in sexual health. Our private STI clinic offers the same core screening, diagnosis and treatment in a discreet Harley Street setting.
Is private STI testing confidential?
Yes. Appointments are private and billing appears as Medical Express Clinic. We do not share results with employers or insurers without your consent.
Popular STI tests
Fast, accurate testing with results in 24 hours. All tests performed by qualified healthcare professionals.
Clinic Location
Suite 17, 117A Harley Street
London, W1G 6AT
Opening Hours
Expert Doctors
Trust & Regulation
CQC Regulated
Provider ID: 1-115711967
Infections We Test For
All tests processed at a UKAS-accredited laboratory for maximum accuracy and speed.
All medical content is reviewed by qualified healthcare professionals registered with the General Medical Council (GMC).
Ready to get tested?
Same-day appointments available. Results in 24 hours. Complete discretion guaranteed.
Consultation, Examination, Testing and Treatment. All under one roof.