Where To Test

Mortimer Market Centre

Public sexual health clinic · London, United Kingdom

LGBTQ+ friendly

Checking today’s hours…

Can I go now?

Walk in — no appointment needed

From clinic website· 18 Sep 2026

The online form asks about gender, sexual orientation and what you need, then routes you to the right appointment type.

Can a visitor use it?

Yes — In England, diagnosing and treating STIs is free to all overseas visitors.

Published by GOV.UK NHS entitlements: migrant health guide· 22 Sep 2026

What will it cost?

Free for everyone, including visitors

Full price list ↓

About

A large central London NHS clinic with a separate online booking route for men who have sex with men and walk-in PEP during opening hours.

Specialises in
Everyone welcome
Also serves
Gay, bi & other men who have sex with men · Young people
From clinic website· 18 Sep 2026

Services

Full STI check — Yes
Chlamydia, gonorrhoea and syphilis (usually with HIV) in one visit.
Seen with symptoms — Yes
Will examine and treat if you have symptoms, not only screen.
Assessment and treatment of sexual health symptoms and infections.
Treatment on site — Yes
Antibiotics or injections given at the clinic.
PEP (after HIV exposure) — Yes
Emergency 28-day medicine; must start within 72 hours.
Walk in during opening hours within 72 hours of exposure; arrive at least an hour before closing.
PrEP — start here — Yes
Can prescribe PrEP, including to visitors.
Whether short-term visitors can be prescribed PrEP is not stated.

Booking, access & languages

OnlineWalk in

The online form asks about gender, sexual orientation and what you need, then routes you to the right appointment type.

Visitors accepted — Yes
Short-term visitors without local residency can be seen.
In England, diagnosing and treating STIs is free to all overseas visitors.
No insurance required
You can be seen without local insurance or a health card.
Walk-in — Yes
No appointment needed (check the hours).
Only for PEP and emergency contraception.
Appointment required
You must book before coming.
Everything except PEP and emergency contraception is booked online.

Languages: English

Cost

ServiceWhoCost
All servicesEveryoneFree
The clinic describes its services as free and confidential. In England, NHS diagnosis and treatment of sexually transmitted infections is free for everyone, including overseas visitors.

Prices are shown in the local currency as stated by the source on the date shown. “Consultation” is often charged separately from tests.

United Kingdom: good to know

  • What visitors pay. In England, NHS services for diagnosing and treating sexually transmitted infections, and A&E (emergency) care, are free to all overseas visitors.
  • PEP in this country. PEP is free on the NHS for people who meet the guidelines. Go to a sexual health or HIV clinic first; at weekends or out of hours, hospital A&E (emergency) departments can start it. It must be started within 72 hours.

Emergency number: 999

Sources & last checked

Last checked 22 Sep 2026.

  • e1 · From clinic website · 18 Sep 2026 · www.sexualhealth.cnwl.nhs.uk — Address, hours, free and confidential, symptoms, PrEP, walk-in PEP, separate booking pathway for men who have sex with men.
  • e2 · From clinic website · 18 Sep 2026 · www.sexualhealth.cnwl.nhs.uk — Questionnaire-based online booking; home kits via Sexual Health London.
  • e3 · Listed by NHS service directory · 18 Sep 2026 · www.nhs.uk — Supplied by Serco Global Services on 11 September 2026.
  • e4 · Published by GOV.UK NHS entitlements: migrant health guide · 22 Sep 2026 · www.gov.uk — England only: services for diagnosing and treating STIs are free to all overseas visitors.

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