UK Plug Adaptor Guide: Charging Your Devices in Britain

UK plug adaptor — key points at a glance

The UK uses Type G sockets with three rectangular pins at 230V, 50Hz, so visitors from the US, Europe and Australia need a plug adaptor — and a voltage converter only for appliances rated 110–120V. This guide also covers prices, where to buy and the UK Electronic Travel Authorisation that visa-exempt visitors must obtain before arrival. We break down the essentials step by step, compare the main options, and link to the official UK Government ETA guidance so you can verify everything with an authoritative source.

Last updated: October 2026. Above all, we prioritise practical advice over marketing language, so you can plan your UK trip with confidence. In addition, each section below includes examples, tables, and frequently asked questions.

One of the most common oversights when travelling to the United Kingdom is forgetting the right power adaptor. The UK uses a unique plug type that is different from plugs in North America, Europe, Australia, and Asia. Arrive unprepared and you cannot charge your phone, laptop, or camera. This quick guide covers everything you need to know about UK power outlets and the right adaptor to bring.

The good news: once you understand which adaptor you need, it is inexpensive and easy to find. Just add it to your UK packing list before your trip.

What Type of Plug Does the UK Use?

The United Kingdom uses Type G plugs — three large rectangular pins arranged in a triangular pattern. This plug type is unique to the UK, Ireland, and a few former British colonies (Malta, Cyprus, Singapore, Hong Kong, Malaysia).

Your Country	Your Plug Type	Compatible with UK?	Adaptor Needed?
United States / Canada	Type A/B (flat pins)	❌ No	✅ Yes — Type A/B to Type G
Europe (EU)	Type C/F (round pins)	❌ No	✅ Yes — Type C/F to Type G
Australia / NZ	Type I (angled flat pins)	❌ No	✅ Yes — Type I to Type G
China	Type A/C/I (varies)	❌ No	✅ Yes
India	Type C/D/M	❌ No	✅ Yes
Ireland	Type G (same)	✅ Yes	❌ No

UK Voltage and Safety

The UK uses 230V, 50Hz electricity. This is important because:

• Most modern electronics are dual-voltage (100-240V): Laptops, phone chargers, camera chargers, and tablets typically work worldwide. Check the label on your charger — if it says “100-240V”, you only need a plug adaptor, not a voltage converter.
• Single-voltage US appliances (120V only) need a converter: Hair dryers, straighteners, and some older electronics from the US may only support 120V. Using these on UK 230V without a converter can damage or destroy them.
• UK hotels provide hair dryers: Do not bring your own unless it is dual-voltage. Almost all UK hotels and B&Bs provide a hairdryer.

What to Buy

Option 1: Single UK Adaptor (Cheapest)

A simple plug adaptor that converts your home plug type to the UK Type G. Costs £3-8. Compact and lightweight. Buy one per device you want to charge simultaneously.

Option 2: Universal Travel Adaptor (Most Versatile)

A single adaptor that works in 150+ countries including the UK, EU, US, Australia, and Asia. Costs £10-25. Ideal if you travel internationally often. Many include USB ports for charging multiple devices.

Option 3: UK Power Strip with USB (Best for Multiple Devices)

A UK-plugged power strip with multiple outlets and USB ports. Bring one adaptor for the strip, then plug all your devices into it. Costs £10-15 in the UK. Ideal for families or travellers with many devices.

Where to Buy

• Before your trip: Amazon, electronics stores, airport shops in your home country (cheapest option)
• At UK airports: Available at WHSmith, Boots, InMotion and vending machines (overpriced — typically £8-20 for a basic adaptor)
• In the UK: Supermarkets (Tesco, Sainsbury’s), Argos, Currys, Poundland (cheapest at £1-3)
• Hotels: Many hotels have spare adaptors at reception. Ask before buying one.

UK Bathroom Sockets

UK bathrooms have special shaver sockets (Type C compatible, dual voltage 110V/230V) that accept two-pin European and US shaver plugs. These sockets are low-power and suitable for:

• Electric shavers and trimmers
• Electric toothbrushes
• Phone chargers (slowly — low wattage)

They are not suitable for hair dryers, laptops, or high-power devices.

Frequently Asked Questions

Do I need an adaptor in London and the rest of the UK?

Yes, unless your devices already have a Type G plug (as used in Ireland, Malta, Cyprus, Malaysia, Singapore and Hong Kong). The UK uses Type G sockets at 230V, 50Hz, so European, US and Australian plugs do not fit without an adaptor.

Can I charge my iPhone with just a UK adaptor?

Yes. Apple USB power adapters and current Samsung chargers are dual-voltage (100-240V), but check the label on older or third-party chargers. You only need a plug adaptor — no voltage converter. The same applies to laptops, tablets, and most modern electronics.

Will my US hair dryer work in the UK?

Only if it is dual-voltage (check the label for “100-240V”). Most US hair dryers are 120V only and will burn out on UK 230V power. UK hotels provide hair dryers, so leave yours at home.

Do European plugs work in the UK?

No. European Type C (two round pins) plugs do not fit UK Type G sockets. You need an adaptor. The only exception is the special two-pin shaver socket found in UK bathrooms.

Stay Charged

A UK plug adaptor is one of the cheapest and most essential travel accessories. Buy one before your trip for the best price, and bring a portable power bank for long sightseeing days. For more packing essentials, see our complete UK packing list and apply for your UK ETA before departure.

Pre-departure checklist: international visitor tips

Firstly, preparing for any UK trip — whether you are flying into London Heathrow from Sydney or driving down from Edinburgh — rewards travellers who plan in layers. Moreover, a structured checklist reduces last-minute airport stress and helps you focus on the experience rather than the logistics.

Documents and money

First, make sure your passport is valid for the whole of your stay – the UK does not require six months of extra validity. Secondly, confirm your UK ETA is approved and linked to the exact passport you plan to travel with — a mismatched ID number will stop you at the gate. Furthermore, travellers from the United States, Canada, Australia, New Zealand, the EU, Japan, and other visa-exempt regions still need the ETA; the UK ETA is not a visa, but it is mandatory. Additionally, bring two payment methods: one contactless card or phone wallet for transport, and one backup card stored separately. Notably, the UK is almost entirely cashless in 2026; you rarely need more than £20 in coins for rural pubs, parking meters, or tipping.

Connectivity and insurance

Next, arrange your mobile data before you board. Specifically, international roaming charges can still exceed £6 a day on legacy US carriers, so either buy an eSIM pack (Airalo, Holafly, or Three UK) or purchase a physical prepaid SIM at arrivals. Meanwhile, travel insurance remains strongly advised. Although the NHS treats emergencies for tourists, elective care, medical repatriation, and trip cancellation are not covered. Therefore, compare a short-term policy from World Nomads, SafetyWing, or your home provider. In particular, families travelling with children should verify paediatric and prescription coverage.

Final practical steps

Finally, download offline maps for London, your day-trip regions, and every transit hub you plan to use. Besides offline navigation, install the Transport for London Go app, National Rail, and Trainline for live departures. Likewise, pre-book timed-entry tickets for landmarks such as the Tower of London, Westminster Abbey, and Windsor Castle — booking ahead is often cheaper and helps you avoid queues, especially in peak season. Above all, print a backup copy of your accommodation confirmations; UK border officials occasionally request proof of stay on arrival.

Timing and seasonality for your trip

Timing matters more than budget for many UK visits. For instance, prices in central London hotels can double between late October and mid-December, then collapse again in early February. Similarly, attractions in Bath, Oxford, and the Cotswolds swing from peaceful autumn mornings to bumper-to-bumper coach tours by June. Consequently, choosing the right shoulder weeks — late March, mid-May, and early September — usually produces the best balance of weather, price, and crowd levels. In contrast, Christmas-week flights from North America usually cost considerably more than a comparable week in January, so booking early is one of the most reliable ways to save money.

On the other hand, summer brings longer daylight (sunset around 22:00 in Edinburgh in late June), better hiking conditions in the Lake District and Snowdonia, and a fuller events calendar including Wimbledon, Glastonbury, and the Edinburgh Fringe. Meanwhile, winter visitors gain access to dramatic Christmas markets, quieter museum galleries, and steeply discounted hotel rates in rural counties. Therefore, if you are flexible on dates, check the mid-season weeks before committing. Ultimately, matching the trip purpose to the season — sightseeing, hiking, shopping, or cultural events — matters far more than simply chasing sunshine.

UK ETA vs Standard Visitor Visa — a quick comparison

Many travellers still confuse the UK ETA with a visa. However, they serve different purposes and have very different costs. For instance, the ETA is an electronic pre-travel authorisation for short visits (up to six months) from visa-exempt nationalities, while the Standard Visitor Visa is the full visa application required by passport holders from most African and South Asian countries and other visa-national countries. The table below clarifies the practical differences.

Criterion	UK ETA	Standard Visitor Visa
Who needs it	US, Canada, EU, Australia, NZ, Japan, Singapore, GCC and 40+ visa-exempt nations	India, Nigeria, Pakistan, Philippines, South Africa and other visa-national countries
Application type	Online or mobile app, no biometrics	Online plus in-person biometric appointment at a visa centre
Cost (2026)	£20 per person	£135 for six months, £506 for two years
Processing time	Usually within one working day; up to three working days	Three to six weeks, longer in peak months
Validity	Two years or until passport expires	Six months to ten years depending on type
Max stay per trip	Six months	Six months
Activities allowed	Tourism, visiting family, business meetings, short-term study (up to 6 months), transit	Same as ETA, including short-term study of up to 6 months

Crucially, the ETA is linked to your passport. As a result, when you renew your passport you must re-apply for the ETA, even if the old one was still valid. In addition, the ETA does not guarantee entry — border officers still make the final decision at Heathrow, Manchester, Gatwick, or Edinburgh. Above all, it is sensible to carry evidence of your return or onward travel, accommodation and funds in case you are asked.

UK trip budget breakdown in USD and GBP

For most mid-range visitors, a one-week UK trip in 2026 costs between £1,200 and £2,400 per adult — or roughly USD 1,500 to USD 3,000 at today’s exchange rate. Moreover, the balance shifts depending on whether you stay in central London, split time with a regional base, or road-trip the countryside. The table below outlines a realistic spending plan for a seven-night trip covering London plus one regional extension.

Category	Budget (per adult)	Mid-range (per adult)	Comfortable (per adult)
Flights (return from US East Coast)	£480 / $600	£680 / $850	£1,040 / $1,300
UK ETA	£20 / $25	£20 / $25	£20 / $25
Accommodation (7 nights)	£420 / $525	£910 / $1,140	£1,820 / $2,275
Transport (Oyster + trains)	£75 / $95	£130 / $165	£210 / $265
Food and drink	£155 / $195	£275 / $345	£460 / $575
Attractions and activities	£95 / $120	£175 / $220	£320 / $400
Insurance	£35 / $45	£55 / $70	£95 / $120
Weekly total	£1,276 / $1,600	£2,241 / $2,810	£3,961 / $4,955

Notably, families travelling with children can reduce costs by booking family rooms instead of two doubles, using the 1-Day Travelcard for shared days, and taking advantage of free museum entry across the V&A, British Museum, Science Museum, and National Gallery. Besides these savings, look for regional tourist passes such as the London Pass, Great British Heritage Pass, or BritRail Pass if you are covering multiple cities — but compare the cost with individual tickets first, as a pass only pays off if you use it a lot.

Extra frequently asked questions

Do I need a separate UK ETA for each traveller?

Yes. Specifically, every traveller including infants and children needs an individual ETA application linked to their own passport. Furthermore, the £20 fee applies per person and cannot be bundled into a family rate. Notably, one person can still submit all the forms on behalf of a household through the UK Home Office mobile app or web portal.

How far in advance should I apply for the ETA?

Apply at least three working days before departure, though most decisions arrive much sooner, often within minutes. However, some applications take up to three working days, so don’t leave it to the last minute. In addition, submit applications after you have booked flights — the ETA does not require itinerary upload, but officials may request travel details during border checks.

Can I extend my stay beyond six months on the ETA?

Generally, no. Each visit is normally limited to six months, and you can only apply from within the UK to stay longer in limited cases, such as for private medical treatment. Longer visits for other purposes require a visa rather than an ETA. Overstaying carries serious immigration consequences including future entry bans. Therefore, always plan return travel well before the six-month mark.

Does the ETA cover transit through the UK?

Only if you pass through UK border control. If you change flights airside at Heathrow or Manchester without going through passport control, you currently do not need an ETA, although this exemption is temporary. If you go through border control while changing flights, you do need an ETA. Visa nationals may need a Direct Airside Transit visa or a Visitor in Transit visa, depending on their nationality and route.

What happens if my ETA is rejected?

First, do not panic. If your ETA is refused, you will be told by email. You cannot appeal, but you can apply for a Standard Visitor Visa instead: you apply online and then attend an appointment at a visa application centre to give your biometrics. In contrast to the ETA, a visa decision usually takes around three weeks, so plan accordingly.