Followed advise on forum to book Day 2 test at LHR and was quite frustrating, kept getting nowhere on ExpressTest site. Finally got completed form submitted and reply was cannot schedule testing on same day as arrival although other posts stated had been able to. We are arriving October 7 and headed to Warwick area, any suggestions greatly appreciated!
We used Zava. Ordered our tests online and had them sent to our B&B. Took the test, put in the mail and results in 48 hours (was sent on a Friday) We are returning home in a few days, and are running into some confusion with the return test. I wish I would have just had them send another test to our hotel for return trip. Very easy and fast.
Boots Pharmacy--the largest pharmacy chain in the UK and a sister company of Walgreens--offers Day 2 tests at a good price compared to others. They send the kit to your hotel.
This link might help in choosing a PCR or lateral flow test provider