FlyerTalk Evangelist and Ambassador: The British Airways Club
Join Date: Jun 2008
Location: Somewhere between 0 and 13,000 metres high
Programs: AF/KL Life Plat, BA GGL+GfL, ALL Diam, Hilton Diam, Marriott Gold, blablablah, etc
Posts: 33,190
Correct no additional luggage allowance on basic fares even if you purchase a bag so you only have one bag.
however lhr routinely allows you to check in your (cabin sized compliant) cabin bag for free. That is instead of taking the cabin bag onboard but you’d still get the small under seat bag.