Private STD Testing Central London - Marylebone Diagnostic Centre

Private STD Testing in Central London - Fast, Discreet & Affordable

Get same-day private STD testing at Marylebone Diagnostic Centre.

We offer discreet appointments, walk-in access, and fast results from 24 - 48 hours, depending on the test. Our sexual health clinic provides full PCR, blood and swab testing for men, women, and LGBTQ+ patients. We are 5 minutes from Baker Street Tube and open Monday–Saturday, 8:00–16:00.

Why Choose Marylebone Diagnostic Centre?

Medically led sexual health clinic
Same-day and walk-in appointments
Results within 24 - 48 hours
All samples processed to the Marylebone High Standard
Discreet private testing
Full male, female, and LGBTQ+ pathways
Blood, urine, swab, and PCR testing
Clear pricing and no hidden fees
CQC-registered clinic
Optional doctor result explanation

You receive confidential care, fast testing, and clear advice.

Book Your Private STD Test Today

Our Sexual Health Tests (Individual Tests & Prices)

Below are the main individual STD tests available at MDC.

Common Infections

  • Chlamydia / Gonorrhoea PCR £99
    Available as: PCR Swab, Throat Swab, Urine Test
  • HIV 1 & 2 / p24 Antigen
    £79
  • Syphilis IgG/IgM
    £75
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Herpes, Candida & BV

  • Herpes Simplex I/II (PCR or Blood) £93 – £99
    PCR Swab – £99 PCR Urine – £99 IgG – £93 IgM – £93
  • Candida Testing £50 – £110
    Candida Culture – £50 Candida Detection PCR – £110
  • Bacterial Vaginosis (BV) PCR £70
    Detects Gardnerella vaginalis.
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HPV Testing

  • High-risk HPV mRNA test £99
    Detects E6/E7 mRNA from high-risk HPV types (16, 18, etc.) linked with cancers.
  • Low-risk and high-risk HPV DNA typing £130
    Identifies individual HPV DNA subtypes (genital wart & cancer-associated strains).
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Hepatitis & HTLV Testing

  • Hepatitis C (HCV) Antibody £79
    Screens for antibodies to Hepatitis C virus.
  • Hep B Surface Antigen (HBsAg) £79
    Detects active infection.
  • Hep B Immunity (HBsAb) £79
    Checks immunity following past infection or vaccination.
  • Hep B ‘e’ Antigen (HBeAg) £97
    Assesses viral activity and infectivity.
  • Hep B ‘e’ Antibody (HBeAb) £97
    Indicates reduced infectivity/recovery.
  • Hep B Core IgM (HBcIgM) £85
    Marker of recent or acute infection.
  • Hep B Core Total (HBcAb Total) £89
    Shows past or current exposure.
  • Hep A IgM Antibody £63
    Detects acute or recent infection.
  • Hep A Total Antibodies £63
    Shows immunity (IgG + IgM).
  • HTLV-1 and HTLV-2 Antibody £97
    Screens for Human T-Lymphotropic Virus antibodies.
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Sexual Health Profiles

Sexual Health Basic

£149

Perfect for routine screening.

  • HIV 1&2 / p24 Antigen
  • Syphilis IgG/IgM
  • Chlamydia PCR
  • Gonorrhoea PCR

Results: 24 - 48 hours

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Advanced Sexual Health Panel

£249

A strong blood + PCR infection screen.

  • HIV 1&2 / p24 Antigen
  • Syphilis IgG/IgM
  • Hepatitis B
  • Hepatitis C
  • Chlamydia
  • Gonorrhoea

Results: 24 - 48 hours

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Sexual Health Plus

£199

15 PCR tests from one sample. Ideal for symptoms, recurrent infections, discharge, pelvic pain.

  • Chlamydia trachomatis
  • Neisseria gonorrhoeae
  • Mycoplasma genitalium
  • Mycoplasma hominis
  • Ureaplasma parvum
  • Ureaplasma urealyticum
  • Bacterial vaginosis markers
  • Gardnerella vaginalis
  • Fungal pathogens (Candida species)
  • Additional genital infection PCR targets

Results: 24 - 48 hours

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Other Relevant Profiles

These can be shown as add-ons:

Hepatitis B Profile – £155

Hep B sAg, Surface Antibodies, Core Markers

Hepatitis B & C Profile – £109

Hepatitis A, B & C Profile – £165

Visa / Marriage / Conception – £129

HIV, Syphilis, Hep B Surface Antigen, Hep C


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How It Works

1

Book online or walk in

Appointments are available Monday–Saturday.

2

Attend your private suite

No waiting area crowds. Everything is discreet.

3

Sample collection

We take blood, a urine sample, or a PCR swab depending on your test.

4

Results within 24 - 48 hours

A doctor can review your results with you.

Frequently Asked Questions

Do I need an appointment?

No. Walk-ins are welcome.

How fast are results?

Most results return within 24–48 hours.

Will you contact my GP?

No. We do not share results without consent.

Can I have throat or rectal swabs?

Yes. They are available for anyone who needs them.

Do you test for Mycoplasma and Ureaplasma?

Yes. These are included in Sexual Health Plus (£199).

Do you offer HPV testing?

Yes. From £99.

Can someone explain my results?

Yes. A clinician can discuss them with you.

Where We Are

Marylebone Diagnostic Centre
73 Baker Street, London W1U 6RD

5-minute walk from Baker Street Tube.
Opening hours: Monday–Saturday, 8:00–16:00

Why Patients Trust MDC

On-site medical review
Private clinical rooms
Results within 24 - 48 hours
Discreet and confidential
CQC-registered
All results meet the Marylebone High Standard
Same-day testing
Central London location

Book Your Private STD Test Today

Fast, discreet and accurate sexual health testing in Marylebone.

Walk in or book online anytime.

Book Now
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