Home / Destinations / United Kingdom

United Kingdom travel guide

Royal history, green countryside and cosy pubs.

The United Kingdom is made up of England, Scotland, Wales and Northern Ireland. London is a world city of museums, theatres and landmarks, while the countryside offers rolling hills, rugged coasts, castles and the Scottish Highlands.

CapitalLondon
CurrencyPound sterling (GBP)
LanguageEnglish
Calling code+44
Drives onleft
Time zoneEurope/London
Getting thereStayConnectDoEat and drinkMoney and safety

Travel tools

Getting there

London Heathrow and Gatwick are the main international gateways, with major airports also in Manchester, Edinburgh and Birmingham; Eurostar trains run through the Channel Tunnel and ferries link to France, Ireland and beyond.

Best time to visit: May–Sep – long days and the best chance of mild, dry weather.

Tougher months: No bad time – November-February is cold, grey and dark early, but cities, museums and festive markets make winter enjoyable.

Weather by month in London

Average daytime highs in °C; dots show how rainy the month is (one dot dry, three dots wet).

Time zone: Europe/London. Compare with your local time.

Visas: in our passport dataset, 1 of 198 other passports can enter United Kingdom without arranging a visa first (visa-free or visa on arrival), 85 need an e-visa or electronic authorisation, and 112 need a visa in advance. Check your passport.

Background: Visa policy of the United Kingdom (Wikipedia).

Official advisory: Level 2: Exercise Increased Caution (U.S. Department of State, updated 2026-09-09). Read the advisory.

Source and more: United Kingdom travel facts on RoamSun

Stay

Our area-by-area hotel guide: where to stay in London. It compares neighbourhoods so you pick the right base.

Most trips to United Kingdom are based around London, Edinburgh or Scottish Highlands & Isle of Skye. Pick a base for your main interest, then add day trips rather than moving hotels every night.

Typical daily budget: about US$70–100 for a backpacker and US$150–260 mid-range, per person.

Source: Global Hotel Discount stay guide

Connect

Plug types: G. Voltage: 230 V. Check your own devices on the plug and currency checker.

Calling code: +44.

Mobile data: read the eSIM for Europe before you fly so the plan is installed and ready on landing.

Source: Advinne eSIM guide · RoamSun

Do

Things to do

Source: full United Kingdom guide on RoamSun

Eat and drink

Source: RoamSun United Kingdom guide

Money and safety

Currency: Pound sterling (GBP). Currency and plug checker.

Tipping: 10–12.5% in restaurants, often added as a service charge; not expected in pubs.

Emergency numbers: 999 or 112 police, fire & ambulance.

Source: RoamSun United Kingdom facts

Frequently asked questions

What is the best time to visit United Kingdom?

May–Sep – long days and the best chance of mild, dry weather. Mild and changeable, with rain possible at any time of year.

What time zone is United Kingdom in?

United Kingdom uses Europe/London.

Do I need a visa for United Kingdom?

It depends on your passport. In our dataset 1 of 198 other passports can enter without a prior visa, 85 need an e-visa or eTA and 112 need a visa in advance. Use the visa checker and confirm with the official government source.

What plug and voltage does United Kingdom use?

United Kingdom uses plug type G at 230 V. Check whether your devices are dual-voltage before you plug in.

What is the calling code for United Kingdom?

The international calling code for United Kingdom is +44.

Do you tip in United Kingdom?

10–12.5% in restaurants, often added as a service charge; not expected in pubs.

What is the emergency number in United Kingdom?

999 or 112 police, fire & ambulance.

Which side of the road do they drive on in United Kingdom?

Traffic drives on the left.