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Before you hop on the plane, a bit of smart prep for local conditions will make your trip so much smoother. The same goes for packing for an independent trip to the UK.
Starting in 2026, travelers need an electronic travel authorization (ETA) to enter the UK. We’ll also walk you through the rest of the checklist. Use this guide to plan a flawless UK getaway.
UK ETA
The first thing to tick off on your UK packing list is the electronic travel authorization (ETA), mandatory as of 2026. Even visitors from Korea who travel visa-free must get online approval before boarding. Since approval can take up to three days, apply at least one week before departure.
You’ll also want a reliable way to access data for navigation and restaurant hunting. eSIMs are increasingly popular because they spare you the hassle of swapping physical SIM cards. Public Wi‑Fi is fairly common, but signals can drop on the Tube, so download offline maps before you go.
Prepare for the weather
UK weather is famously fickle—you can easily see all four seasons in a single day. Bright blue skies can turn into a light drizzle in minutes, so plan your wardrobe accordingly.
Layering thin pieces is the most practical approach. Pack a lightweight waterproof windbreaker or a raincoat for sudden showers. For shoes, comfy sneakers are fine, but quick-drying materials are much more useful when they get wet. Waterproof hiking boots are also a solid choice.
Payment methods
The UK is extremely card-friendly, so you don’t need to carry much cash. Some places don’t accept cash at all these days. Bring a travel card with low foreign transaction fees or a credit card that supports contactless payments—these are essentials for independent travel in the UK.
For public transit, using your own contactless card is often easier than buying a separate Oyster card, avoiding refund and top-up hassles. Still, keep a small emergency amount—about £20–£30 (roughly $25–$40)—in your wallet.
Electronics
The UK uses 240V power and three-pin G‑type plugs, so a multi-adapter is non-negotiable. Outlets in hotels can be far from the bed, so packing a power strip makes it easy to charge multiple devices at once. Many areas have hard, limescale-rich water, so travelers with sensitive skin should bring a shower filter.
To help with long flights and jet lag, pack a sleep mask and a neck pillow. A few comforting snacks—instant noodles or a small pack of gim (seaweed)—can be a lifesaver if local food doesn’t sit well with you.
That’s your essential pre-UK checklist. Pack smart, and make that dreamy walk along the Thames a reality.
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