Money, Safety & eSIM in the UK
The UK's currency is the pound sterling (GBP, £) — not the euro, since the UK left the EU in 2020. Contactless card and phone payment is the default almost everywhere, including on the Tube and buses, so you'll need very little cash. Tipping is more modest than in the US: 10–12.5% at sit-down restaurants (check if service is already added to the bill), nothing expected at a pub bar. The UK is very safe overall for tourists; the bigger practical risk is unpredictable weather, not crime.
The practical questions that actually matter once you land: how much cash to carry (very little), how tipping actually works here (less than you might expect), what could genuinely go wrong (mostly rain, not crime), and how to get connected without a shocking roaming bill.
Money and payments
The pound sterling (GBP, £) is the currency everywhere in the UK. Contactless card or phone payment (Apple Pay, Google Pay) is accepted almost universally — cafes, pubs, market stalls, and all public transport — so most visitors carry only a small amount of cash for the rare vendor that's card-only-averse. Check your card for foreign-transaction fees before you travel; a fee-free card saves a meaningful amount over a longer trip.
| Payment method | Where it works best |
|---|---|
| Contactless card/phone | Everywhere — shops, pubs, restaurants, the Tube and buses |
| Cash (GBP) | Rare small vendors, some market stalls, tipping in cash if you prefer |
| Cards with no foreign-transaction fee | The best option for the whole trip if your bank offers one |
Tipping — more modest than you might think
At sit-down restaurants, 10–12.5% is standard if service isn't already included — check your bill for a 'service charge' line first, since many restaurants add it automatically (in which case an extra tip isn't expected). At a pub bar, no tip is expected at all; rounding up or offering to buy the bartender a drink is a nice, optional gesture. Taxi drivers appreciate rounding up the fare, but it's not obligatory.
Is the UK safe?
Yes, very much so by global standards. Violent crime against tourists is rare. The more common real issues are pickpocketing in crowded tourist areas (Oxford Street, busy Tube carriages at rush hour) and phone-snatching on bikes in a few specific London neighborhoods — keep your phone in a zipped pocket or bag rather than in your hand while walking, especially near roads.
Getting around safely — the Tube and beyond
The London Underground ('the Tube') is extensive, frequent, and generally very safe, including late at night on most lines — though it does close overnight on most routes (the Night Tube runs limited lines on Friday and Saturday nights). Mind the gap between the train and the platform, literally — it's a real, not just quaint, safety announcement on several older stations.
eSIM and staying connected
eSIM is the easiest option if your phone supports it — Airalo and Holafly sell UK data plans from around $5–20 for 7–15 days, activated before you even land. UK network providers (EE, Vodafone, Three, O2) and the popular budget option giffgaff also sell physical SIMs and eSIMs directly, often with better long-stay value if you're in the country for several weeks.
Weather — the real practical risk
- Pack a light rain jacket regardless of season or forecast — UK weather changes quickly and 'it looked sunny this morning' is a genuinely common story here.
- Layer up rather than packing one heavy coat — indoor spaces (shops, the Tube, restaurants) are often warmer than the outdoor temperature suggests.
- Check the NHS 111 non-emergency line or a pharmacy first for minor issues; travel insurance is strongly recommended since non-emergency care for visitors isn't free the way it is for UK residents.