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Basics6 min read2025-01-08

Home STI Testing Kits: A Complete UK Guide

Everything you need to know about ordering and using home STI testing kits in the UK, from what they screen for to how results are delivered.

sti testinghome testing kitssexual healthNHSUK

This article is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a GP or qualified healthcare professional before starting, stopping, or changing any medication.

Home STI testing kits have transformed sexual health screening in the UK. Whether you prefer the convenience of testing at home or find it difficult to visit a GUM clinic in person, postal test kits offer a reliable, discreet alternative.

What Do Home STI Kits Test For?

Most comprehensive home kits screen for the following infections:

  • Chlamydia – the most commonly diagnosed STI in the UK
  • Gonorrhoea – increasingly prevalent, especially in urban areas
  • HIV – early detection is critical for effective treatment
  • Syphilis – rates have been rising across England since 2012
  • Hepatitis B and C – included in many full-panel kits

Some kits also test for Mycoplasma genitalium and Trichomonas vaginalis, though these are less commonly included as standard.

How to Use a Home STI Kit

After ordering online from an NHS-approved service or a GPhC-registered pharmacy, your kit will arrive in plain, unmarked packaging. Depending on the infections being screened, you may need to provide:

  • A urine sample (typically for chlamydia and gonorrhoea)
  • A finger-prick blood sample (for HIV, syphilis, hepatitis)
  • A vaginal or rectal swab (self-collected with clear instructions)

You then post the samples back using the pre-paid envelope provided. Most accredited laboratories return results within 2 to 5 working days.

Are They Available on the NHS?

Yes. Many local sexual health services across England offer free postal STI testing kits. You can order these through the NHS.uk website or your local authority's sexual health portal. Services such as SH:24 and Fettle operate NHS-funded testing in several regions.

When to Visit a Clinic Instead

Home kits are ideal for routine screening, but you should attend a GUM clinic or sexual health service if you have active symptoms such as unusual discharge, sores, or pain during urination. Clinics can perform physical examinations and offer immediate treatment where necessary.

Home STI testing kits are a convenient, confidential, and medically validated way to stay on top of your sexual health. If you are sexually active, regular screening is one of the most important steps you can take.