Overview
- Passengers departing Heathrow can keep liquids up to 2 litres and large electronics in hand luggage, with some vacuum or double‑walled containers still requiring emptying.
- Heathrow says it is the world’s largest airport to fully deploy next‑generation CT scanners, projecting faster throughput for thousands of passengers per hour and a saving of about 16 million plastic bags annually.
- The change applies only to Heathrow departures, and the Department for Transport advises travelers to check rules for other airports and prepare for 100ml limits unless told otherwise.
- Elsewhere in the UK, Gatwick, Birmingham, Bristol and Edinburgh report full rollouts; London City, Luton and Teesside have scanners installed but still enforce 100ml pending approval, while Manchester remains in transition and Stansted retains the 100ml cap.
- The 100ml limit was introduced in 2006 after a foiled liquid‑explosives plot, and nationwide upgrades have faced delays from pandemic disruption, supply‑chain issues and shifting government deadlines.