Hi All - We have been dealing with our 2.5 year old twins at home for the past 18 months and happily we're finally getting the in laws coming to stay with us for a couple of months from an Amber List country abroad. They need to have PCR tests for COVID 19 done on Day 2 and 8 after they arrive next weekend. Just trying to book these for them using the link below, but there are so many to choose from and the prices seem to vary hugely. Just wondered if anyone had used any company in particular and whether they would recommend? We're in London and happy to do self swabs at home. Thanks!