Officials have been told to prepare to use facial-recognition and GPS technology in order to ensure people stay in isolation when they arrive in the country.
Passengers are being asked to complete online passenger locator forms to tell officials where they are staying after arriving in the UK.
But MPs have heard just one in 10 of the forms are checked by Border Force, while police officers told to visit addresses for potential breaches of quarantine simply walk away if no one answers – with no follow up investigation.