Sexual Health Clinic · Baker Street · London
STD and sexual health clinic in London: private walk-in at Baker Street
A private sexual health clinic in Central London. Walk in Monday to Saturday at 73 Baker Street. No appointment, no GP referral. Private rooms. CQC registered. Results in 24 to 42 hours.
Walk-in Mon to Sat
Private consultation rooms
CQC registered
Nothing on NHS records
5 min from Baker Street tube
About the clinic
What kind of clinic is MDC?
Marylebone Diagnostic Centre is a private diagnostic clinic, not an NHS GUM clinic. Patients attend without appointments, choose their own tests, and receive results privately with no record created in the NHS system.
Private consultation rooms throughout
Every patient is seen individually in a private room. There are no open waiting areas where other patients can hear your consultation. Sample collection takes place in a separate clinical room away from reception.
CQC registered, UKAS-accredited laboratory
Registered with the Care Quality Commission (CQC Certificate CRT1-20711334119). All laboratory analysis is processed by UKAS-accredited partner laboratories. Results are clinically reviewed before being sent to you.
Inclusive, gender-neutral care
MDC provides inclusive care for men, women, and LGBTQ+ patients. Throat swabs, rectal swabs, and same-sex partner testing are all available. Test panels are recommended based on anatomy and exposure, not assumptions.
Nothing on your NHS record
Your visit, result, and diagnosis do not appear on your GP or NHS Summary Care Record. Anonymous booking is available. A first name is sufficient to label your sample correctly.
Open to international patients
No UK GP, NHS registration, or proof of residency is required. MDC serves international patients and London visitors regularly. Results are sent to any email address globally.
Discreet entrance and billing
The clinic entrance on Baker Street carries no signage indicating the nature of the service. Billing appears as Marylebone Diagnostic Centre on any card statement. Westminster residents receive 20% off all sexual health tests.
What to expect
What happens when you attend
Most walk-in appointments take under 30 minutes from arrival to leaving.
01
Arrive at reception
Tell the team what you are attending for or ask for a recommendation. No paperwork, no NHS number, no prior registration needed.
02
Clinical check-in
A clinician will ask a few quick questions about your situation, symptoms, and timing. Around 5 to 10 minutes. Helps confirm the right tests and sample types.
03
Sample collection
Blood draw, urine, or swab in a private room depending on the tests selected. Under 20 minutes for most patients.
04
Results in 24 to 42 hours
Sent directly to your email. Nothing shared with your GP or NHS. If a result needs clinical discussion, a clinician calls you directly.
Tests available
Most commonly requested at the clinic
The full test catalogue with all prices is on our private STD testing page. Westminster residents receive 20% off all tests with proof of address.
MDC vs NHS GUM clinic
How the two options compare
NHS GUM clinics are free and clinically excellent. MDC serves patients who need walk-in access, faster results, or testing not available on standard NHS screens.
| MDC (private clinic) | NHS GUM clinic | |
|---|---|---|
| Cost | From £75 | Free |
| Walk-in availability | Yes, Mon to Sat, 8am to 4pm | Usually by appointment |
| Result turnaround | 24 to 42 hours | 5 to 10 working days |
| NHS or GP record created | Never | Yes, within NHS system |
| Private rooms throughout | Yes | Varies by clinic |
| Anonymous booking | Yes | NHS number typically required |
| Herpes, candida, mycoplasma, HPV | All available | Not on standard NHS screen |
| Throat and rectal swabs | Yes | Yes at most GUM clinics |
| CQC regulated | Yes | Yes |
Questions
Frequently asked questions
Where exactly is the clinic on Baker Street?
MDC is at 73 Baker Street, London W1U 6RH. From Baker Street tube station, exit via the Baker Street South exit and walk south for 5 minutes. Number 73 is on the right. The entrance carries no external signage indicating the nature of the service.
Can I bring a partner to test at the same time?
Yes. Both partners can attend on the same day and are seen in sequence in individual private rooms. Each partner receives their own result directly. See our couples STD testing page for more detail.
Is there parking near the clinic?
Pay-and-display bays are available on Baker Street and on nearby side streets. There is no dedicated clinic parking. Baker Street tube station is a 5-minute walk and is the most convenient option for most patients.
Do I need to prepare anything before attending?
No fasting is required. If you are providing a urine sample for chlamydia or gonorrhoea, avoid urinating for at least one hour before arriving to improve sample quality. No other preparation is needed for blood tests or swabs.
What happens if I test positive?
A clinician will contact you directly to explain your result and advise on next steps. For most bacterial infections, treatment is straightforward and available free at NHS sexual health clinics. See our STI treatment cost guide for a full breakdown of what treatment costs and where to access it.
