Qatar Airways expanded codeshare network with British Airways earlier this month, now covering service to/from London Gatwick, as well as additional routes between Heathrow and Germany. Planned codeshare routes below went into effect on 10 February 2020.
Qatar Airways Flights operated by British Airways:
London Gatwick – Edinburgh
London Gatwick – Glasgow
London Gatwick – Jersey
London Heathrow – Dusseldorf
London Heathrow – Hannover
Source: Routes