Now BA fares from London Heathrow are priced at a slight premium (see further underneath) so the sweet place would need to maneuver up just a little on the scale. Do be aware that in some cases the cheaper fares could only be accessible for sale from area travel agents. https://businessflightshop.co.uk/blog/how-can-choosing-the-right-seat-increase-the-productivity-of-business-travellers/