Originally Posted by
Paul Lupp
... and if you are transiting but do have to pass through immigration and then proceed to immediately check in again, say if your connecting flights don't have an agreement between airlines so you have to claim your checked luggage.... you can't, you have to quarantine in the UK for 14 days ???
Nope, you can leave the UK at any time during the quarantine period, you don't have to "serve" the full 14 days before leaving.