We are UKAS accredited (lab no. 2048) for PCR testing in our laboratories and a government approved Lateral Flow (antigen) test provider.

Need a Covid-19 test for international travel or general peace of mind? Now you can easily book your PCR and Lateral Flow (antigen) tests via our webstore to prove you are Fit-to-Fly, as well as your Day 2, Day 5 Test to Release, and Day 2 & Day 8 tests at the same time.

One Scientific offers UK’s best value, UKAS Accredited coronavirus testing via home and abroad self-testing swab kits for ultimate peace of mind.

Leaving the UK?

Need to travel internationally? We have Fit to Fly tests that will ensure you get to where you need to go. If travelling from the UK and your destination requires a negative PCR or Lateral Flow (antigen) test result, you can book your COVID-19 test with us to receive your Fit to Fly certificate valid for all airlines.

Be sure to double-check your destination’s current Covid-19 regulations for the most up to date information on which test to take to enter the country and when you need to take it before departure.

Order our Fit to Fly PCR test kits here

Order our Lateral Flow (antigen) Fit to Fly test kits here

Need a pre-departure test abroad to return to the UK?

Returning to the UK and your airline requires a negative Lateral Flow (antigen) test prior to departure? We have Fit to Fly tests that you can take abroad with you and test yourself prior to your return flight home. Just send us photos of your test result to receive your Fit to Fly certificate valid for all airlines.

Be sure to double-check your airlines travel requirements for the most up to date information on which test to take and when you need to take it before departure.

Order our Lateral Flow (antigen) Fit to Fly test kits here

Entering the UK from a non-red list country?

Travelling to the UK from abroad requires mandatory Day 2 PCR testing for all UK arrivals and an additional Day 8 PCR test for non-fully vaccinated UK arrivals.

Please see below for tests required but for the most up to date government regulations please visit gov.uk here.

Arrivals into the UK

Fully vaccinated from a non-red list country

Mandatory PCR test on day 2


From a Red list country

Mandatory PCR test on day 2 and day 8. Must be undertaken by a Government NHS provider.


Please contact us if you require any further information and our technical experts will be happy to talk with you:

Phone: 0117 992 3130
Email: [email protected]