London Heathrow (LHR) has officially scrapped its long-standing carry-on liquids limits, removing one of the most frustrating rituals in modern airport security: decanting liquids into 100ml bottles, stuffing them into plastic bags, and pulling them out at the X-ray belt.
As of January 23, 2026, travelers departing from all Heathrow terminals (T2, T3, T4, T5) can now keep liquids and large electronics inside their bags during screening. The practical result is exactly what passengers have been asking for: you can carry normal-size shampoo, sunscreen, and beverages through security at LHR without the old 100ml cap.
What’s now allowed at LHR — and what you no longer need to do
At Heathrow (LHR), the new process is straightforward:
Liquids can stay in your bag , and the old 100ml-per-container limit is gone (Heathrow is allowing containers up to 2 liters ).
Laptops and larger electronics can stay packed , instead of being separated into trays. Related Article British Airways Trims July Schedule, Cancels 650 Flights From LHR and LGW
No more plastic “liquids bag” requirement for security screening.
Security staff can still ask for additional screening if something alarms, but the baseline process is now designed to be faster and less hands-on for most passengers.
The enabling technology: CT security scanning, at full hub scale
This shift is possible because Heathrow has completed a full rollout of next-generation CT (computed tomography) scanners at passenger security. CT scanners build a 3D image of the contents of a bag rather than relying on the flatter 2D picture of conventional X-ray systems. That added data—density, shape, and layered view—improves detection capability and reduces the need for passengers to “deconstruct” their bags at the checkpoint.
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