🇪🇺 Europe 3 regions 2 city guides

What to Pack for the United Kingdom

Country-wide essentials plus region-specific packing for London and Southeast England, the Scottish Highlands, and Wales and the Lake District.

Updated April 13, 2026

Quick answer

Pack a genuine waterproof jacket with a hood, sturdy waterproof footwear, and warm layers for UK weather in any season. Bring a Type G plug adapter (three rectangular pins) for 230V outlets. US citizens need a UK ETA (Electronic Travel Authorisation) before arrival as of February 2026.

Packing for the UK starts and ends with rain. London gets measurable rain on about 110 days a year; the Scottish Highlands hit 250 rainy days in some western spots. It can rain in every season, often briefly, often without warning, and sometimes all day. A real waterproof jacket (not just water-resistant) is the single best investment for any UK trip.

Beyond the rain, British packing splits by region and context. London runs smart-casual: dark jeans, tailored trousers, leather or clean white sneakers, a knit, a coat. Pubs and theatres welcome smart-casual but rarely require a suit outside of Michelin-level dining. Scottish Highlands and the Lake District are outdoors country where merino, Gore-Tex, and sturdy boots beat fashion.

The UK switched to Electronic Travel Authorisation (ETA) enforcement on February 25, 2026. Every US citizen now needs an ETA before boarding a UK-bound flight or Eurostar. It costs around 16 GBP, is valid for 2 years, and most applications are approved within minutes via the official gov.uk site or app. The UK uses Type G plugs (three rectangular pins) at 230V/50 Hz, and drives on the left.

Country essentials

Plug type

Type G · 230V, 50 Hz

Currency

Pound Sterling (GBP)

Language

English, Welsh, Scottish Gaelic

Visa

US citizens need a UK ETA (Electronic Travel Authorisation) as of February 25, 2026 for stays up to 6 months. It costs around 16 GBP, is valid for 2 years, and is approved within minutes via the official gov.uk ETA app. Not a visa, but strictly enforced.

SIM / data

Airalo and Holafly eSIMs are the easiest option. EE, O2, and Vodafone sell prepaid SIMs at Heathrow, Gatwick, and most high-street shops. Free WiFi in pubs, cafes, and on most trains.

Tipping

10 to 12.5 percent at sit-down restaurants if service charge is not already added (check the bill carefully). No tipping at pubs when ordering at the bar. Taxi drivers: round up. Hotel porters: 1 to 2 GBP per bag.

Driving side

left

Tap water

Safe to drink

Emergency #

999

Cultural notes and dress codes

  • Queue properly. Jumping a line in the UK is a genuine social offense. Wait your turn at bus stops, ticket counters, and pubs.
  • At pubs, order at the bar and pay when ordered. Table service for drinks is rare. Tipping a bartender is unusual; saying 'and one for yourself' adds a drink to their tab as a thank you.
  • Smart-casual is the default for restaurants, theatres, and concerts. Jeans plus a decent shirt or blouse passes almost anywhere outside of Michelin dining and specific private clubs.
  • Theatres in London's West End do not enforce a dress code, but locals typically dress up a little: dark jeans, chinos, a button-down, a dress. Jeans and a band t-shirt will not be refused.
  • Driving is on the left. This matters for pedestrians too. Painted 'LOOK RIGHT' and 'LOOK LEFT' signs at crosswalks in London exist for good reason.
  • Rain is a constant conversation topic, not a complaint. Weather-proofing yourself and carrying on is the national approach.
  • Tap water is safe and actively encouraged at restaurants. Ask for tap water, not still.
  • Scotland, Wales, and Northern Ireland are distinct nations with their own identities. Never call a Scot or Welsh person English.
  • Sunday roast is a real tradition, usually served at pubs 12 to 4 pm. Worth planning at least one.
  • Cash is still accepted but contactless card and Apple Pay/Google Pay are dominant nationwide. Even small food stalls and buses go cashless.

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London, Windsor, Canterbury, Brighton, the Cotswolds, and Oxford. Dense city life, palaces, pubs, theatre, and easy day trips.

Climate: Temperate oceanic. Mild wet winters (35 to 48 F), mild summers (60 to 75 F, occasional 90+ heat waves), rain possible year-round averaging 600 mm a year. Short winter days (sunset at 4 pm in December).

  • Waterproof shell
  • Smart-casual pub and theatre wear
  • Dark layers
  • Waterproof walking shoes
  • Compact umbrella

🧥Clothing

Essentials

  • Waterproof rain jacket with hood (Real Gore-Tex or equivalent; not water-resistant)
  • Warm mid-layer (fleece or merino)
  • Dark jeans or chinos x2
  • Blouses or button-downs x4

Nice to Have

  • Sweater or knit x2
  • Smart-casual outfit for theatre/nice dinner (West End shows do not require formal wear but locals dress up a little)
  • Light scarf and beanie (Oct-Apr)

👞Footwear

Essentials

  • Waterproof walking shoes or boots

Nice to Have

  • Smart shoes for evening out
  • Wool or synthetic socks x5

🎒Day Bag and Accessories

Essentials

  • Crossbody bag or backpack with zipper
  • Refillable water bottle
  • Contactless-enabled debit/credit card (Works at every Tube gate and bus tap reader)

Nice to Have

  • Compact umbrella

🔌Electronics and Documents

Essentials

  • UK Type G plug adapter x2
  • Passport + printed UK ETA confirmation (ETA enforcement began Feb 25, 2026 for US citizens)

Nice to Have

  • Power bank (10,000 mAh)
  • Pre-booked theatre, Tower of London, Westminster Abbey tickets

When to visit and what changes by season

Spring (Mar-May)

March to May · 40-62°F

Variable and often beautiful. Daffodils and bluebells through April and May. Rain likely, snow possible in Scotland through April. Long days lengthen fast.

  • Waterproof jacket
  • Layers
  • Warm hat
  • Waterproof shoes

Summer (Jun-Aug)

June to August · 55-75°F

Mild and green. Occasional heat waves hit 90+ F in London. Long daylight (4 am to 10 pm in Scotland in June). Midge season in Scottish Highlands.

  • Light rain shell
  • Layers
  • Midge net (Scotland)
  • Sunglasses

Fall (Sep-Nov)

September to November · 40-60°F

Crisp and rainy. Highlands are stunning with autumn color in October. Stormy November with the first frosts. Clocks go back late October, sunset by 4:30 pm.

  • Warm layers
  • Waterproof jacket
  • Beanie
  • Waterproof boots

Winter (Dec-Feb)

December to February · 30-48°F

Short dark days, damp cold, occasional snow (more in Scotland and the Pennines). London rarely freezes for long. Christmas markets in late November through December.

  • Warm coat
  • Scarf and gloves
  • Waterproof boots
  • Thermal base layer

Packing tips for United Kingdom

  1. 1 Pack a real waterproof jacket with a hood and taped seams. Water-resistant is not enough for the UK.
  2. 2 Layer with merino or synthetic base layers. Cotton stays wet once it is wet.
  3. 3 Bring waterproof walking shoes or boots. Leaked boots on day three of a trip ruins everything after.
  4. 4 Compact umbrella or packable rain jacket in your day bag every day, all year.
  5. 5 A Type G adapter is mandatory. UK plugs are uniquely large with three rectangular pins and no other plug will physically fit.
  6. 6 Apply for your UK ETA at least 3 business days before travel via the official gov.uk site or app (avoid the third-party paid sites).
  7. 7 Oyster card or contactless card for London Transport. Apple Pay or Google Pay at the gate also works fine.
  8. 8 Pack a lightweight scarf and hat for spring and fall. North Atlantic wind cuts through layers.

Frequently asked questions

Do US citizens need a visa for the UK?
Not a visa, but as of February 25, 2026 US citizens need a UK ETA (Electronic Travel Authorisation) before boarding any UK-bound flight or Eurostar. It costs around 16 GBP, is valid 2 years, and is tied to your passport. Apply via the official UK ETA app or gov.uk at least 3 business days before travel. Most applications are approved within minutes.
What plug adapter do I need in the UK?
The UK uses Type G plugs exclusively: three large rectangular pins in a triangle pattern. No other plug shape physically fits into a UK socket. Buy a Type G adapter before you go. The UK runs on 230V at 50 Hz, so dual-voltage devices (check the label for 100-240V) work fine with just an adapter. Single-voltage US hair tools will burn out.
How should I prepare for UK rain?
A real waterproof jacket with taped seams and a hood is the single most important UK item. Water-resistant is not enough. Waterproof walking shoes or boots for anything outside London city streets. A compact umbrella in your day bag for sudden London showers. Merino base layers and synthetic midlayers stay warm when damp; avoid cotton.
Is the UK cash or card?
Card, overwhelmingly. Contactless (tap) debit and credit cards, Apple Pay, and Google Pay work almost everywhere including buses, the Tube, food trucks, and small shops. Cash is still accepted but many places are cashless by choice. A US credit card with no foreign transaction fee is the cleanest option. Notify your bank before travel.
Do I tip in the UK?
Much less than in the US. Restaurants: 10 to 12.5 percent for sit-down service if a service charge is not already on the bill (always check). Pubs: no tip when you order at the bar. Taxis: round up. Hotel porters: 1 to 2 GBP per bag. Cafes: drop coins in a tip jar if you liked the service. American-style 20 percent is unnecessary.
What should I wear to a West End theatre?
There is no enforced dress code. Locals typically dress smart-casual: dark jeans or chinos with a nice top, a button-down, or a dress. You will not be turned away for wearing sneakers and a hoodie, but you may feel underdressed. Same rules for most London dinners; full formal wear is only required at a handful of Michelin-level private clubs.
Is tap water safe to drink in the UK?
Yes, across the entire UK. London tap water is hard (high mineral content) but completely safe. Restaurants are legally required to provide free tap water if they serve alcohol. Carry a refillable bottle; public refill stations are common in city centers.
How do I deal with driving on the left?
Remember: passenger sits on the left side of the car, driver on the right, traffic flows clockwise around roundabouts. Rural UK roads are narrow with hedgerows and stone walls. An automatic transmission rental costs more but is worth it if you are new to left-side driving. Watch for 'LOOK RIGHT' signs at crosswalks in London; they exist because tourists get hit.
What are midges and how do I avoid them in Scotland?
Highland midges are tiny biting flies that swarm in the Scottish Highlands from early June through mid September, especially at dawn, dusk, and in still damp weather. Deet doesn't really work on them. The standard defense is a midge head net plus a locally-made repellent called Smidge or Avon Skin So Soft. Coastal breezes and higher elevations keep them down.
When is the best time to visit the UK?
May, June, and September are the sweet spot: mild weather, long days, fewer crowds than July-August. July and August are warmest and most crowded. December has atmospheric Christmas markets and short dark days. Scotland's Highlands are prime in May-June (before midges) and October (autumn color). Avoid late January-February in the north unless you want rain and early sunsets.

City packing lists in United Kingdom

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Build Your Custom Packing List

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