European short-haul flying has quietly converged: fly British Airways or Ryanair in economy and the seat is largely the same. So BA is squeezing more value out of its ageing Airbus A320 fleet in a different way — through density and a business class cabin that can physically expand or shrink depending on how many premium fares it sells.

The airline's A320s average 14.7 years old, and retrofits began in 2024 as part of an $8.8 billion revamp, with UK suppliers involved and roughly 180 seats fitted per aircraft — the same count as Wizz Air uses. There's no true first class here; like Lufthansa and Air France, BA uses identical seats throughout, with 'Club Europe' created simply by blocking middle seats behind a divider.

That divider is the interesting part. On BA's 48 Heathrow-based A320s, Club Europe isn't a fixed cabin — it can grow to twelve rows, swallowing both exit rows when business demand is strong. The only genuinely roomy economy seats, rows 11 and 12 at about 34 inches of pitch, can vanish into the premium cabin at any time. When Club Europe sells deep, economy (Euro Traveller) can start at row 13 with a tight 28-inch pitch — and the first window seats there don't even line up with the windows. Book the day before and you genuinely can't know which layout you'll board.

There's a workaround, though it involves flying from Gatwick instead. BA's eight Gatwick-based 'Euroflyer' A320s use a fixed eight-row Club Europe, so exit rows 12 and 13 always stay in economy, plus rows 9–11 at around 30 inches. That's a reliable block of better-than-standard legroom that Heathrow's flexible aircraft simply can't guarantee.

Cabin crews adjust the curtain based on the booking manifest — 36 Club Europe bookings to Athens might mean the divider lands behind row nine; the 37th booking pushes it back a row, sometimes with status upgrades used to fill the space. It's clever revenue management, and other European carriers facing slot-constrained hubs like Heathrow, Frankfurt and Paris CDge may well follow, especially as new A320neos and A220s arrive with cabins built for exactly this kind of variable layout.

For travellers, the takeaway is practical: if extra legroom matters on a BA intra-European flight, don't gamble on a Heathrow A320 seat map — either pick the Gatwick Euroflyer operation, pay for Club Europe, or accept that your 'extra legroom' row might be a business class seat by the time you board.