London

London Runs on a Calendar, and Two of Its Rules Have Changed

Two things about London are different from the last time most Americans were here, and both cost money. You now need an Electronic Travel Authorisation before you board, and the VAT refund you remember collecting at Heathrow no longer exists for anything you carry home in a suitcase. Neither is a problem once you know about it. Both are expensive surprises if you do not. Beyond the paperwork, the city still keeps the calendar it has kept for centuries, and the Season runs from the Chelsea Flower Show in May through Royal Ascot in the middle of June to Wimbledon in July. Those weeks decide what a Mayfair suite costs and whether you can have one at all.

Know before you go

• Fly into Heathrow, the primary transatlantic gateway, with the Heathrow Express reaching Paddington in fifteen minutes and running four trains an hour, plus a further six minutes across to Terminal 5.
• Trip length Four nights is the working floor and five is the right answer. Below four, the museums, the tailors and any day out of town start competing for the same afternoon, and one of them loses.
• Best months May, June and September. Summer highs sit around 77 to 78°F rather than in the eighties, and winter days run 45 to 51°F, so London is rarely hot and rarely severe. It is variable, which is a packing problem rather than a scheduling one.
• Entry United States citizens need a UK Electronic Travel Authorisation. It costs £20, it is not refundable even if the application is rejected, the decision usually arrives by email within a day and can take up to three working days, and it permits travel for up to six months.
• Three separate clocks The United Kingdom sits outside the Schengen area entirely, and Ireland is in the European Union but also outside Schengen. On a London, Dublin and continental itinerary you are running three independent stay allowances rather than one.
• Money Pounds sterling. The pound sits comfortably above the dollar, so add roughly a third to every price you read.
• VAT on shopping There is no refund on goods you carry home from Great Britain. The only way to buy free of VAT is to have the retailer ship the purchase directly to an address outside the United Kingdom. Northern Ireland keeps a separate scheme of its own.
• Heathrow Express fares A standard single is £26.00, but advance singles start at £10.00 booked thirty or more days ahead, and a carnet of six costs £125.00 against £156.00 for six singles. Children fifteen and under travel free in Standard with a paying adult.
• Tower timing Adult admission is £37.00 and the gates open 09:00 to 17:30 with last entry at 16:30, but the last Yeoman Warder tour leaves at 15:15. That tour is the best part of the visit and it is included, so go in the morning. Allow two to three hours, and note there is no bag storage on site.
• Buckingham Palace The State Rooms open only in summer. In 2026 the window ran 9 July to 27 September, advance adult tickets were £33.00 against £37.00 on the day, and the 2027 dates have not been published. Step free access has to be arranged in advance rather than on arrival.
• December light Sunset on the winter solstice is 15:53 and the city gets under eight hours of daylight. Anything that depends on daylight belongs before the middle of the afternoon.

The refund you are expecting at the airport is not there

This is the fact affluent visitors are most reliably wrong about, and it wants saying before the shopping day rather than at the departure gate. The retail export scheme no longer applies to visitors in Great Britain. Government guidance is unambiguous: you can only buy tax free goods from shops in Great Britain if they are delivered straight to an address outside the United Kingdom. Carry a purchase home in your luggage and there is no refund, and no desk at Heathrow that will process one. If the saving matters on a significant purchase, arrange retailer shipping at the counter, because that has to be settled at the point of sale. Northern Ireland is a separate case and keeps its own refund scheme, with goods required to leave within three months, but traveling from Northern Ireland straight into Great Britain voids the claim.

The Season is a calendar, and it decides what you can get

London keeps a social calendar it has kept for centuries, and it does more to availability than the weather ever will. The Chelsea Flower Show takes May, Royal Ascot takes the middle of June, and Wimbledon runs from late June into July. Through those weeks the best houses in Mayfair behave like the most wanted tables in town. If a fixture is the reason for the trip, planning starts nine to twelve months out, because debenture seats and the right suites move on that schedule rather than yours. September and October bring theater premieres and Frieze week, which quietly compresses Mayfair all over again. December is the city at its most photogenic and books early for exactly that reason. January through March is the value window, when the museums, the tailors and the great dining rooms are effectively yours, and the only real cost is daylight.

Neighborhood first, house second

London is large enough that the address shapes the trip more than the hotel does. Mayfair and St James's suit a classic first visit, with the parks and the galleries on foot. Chelsea and Belgravia are residential and quiet. Covent Garden and Soho put you inside the theater and restaurant map at the cost of noise. Within Mayfair, Claridge's remains the definition of a London hotel and The Connaught is its quieter sibling on Carlos Place, with Hélène Darroze downstairs. The Peninsula at Hyde Park Corner has some of the largest standard rooms in the city and a fleet of cars to match. The Dorchester answers park views and old glamour. Rosewood London on High Holborn suits families and anyone working between Mayfair and the City. The Chancery Rosewood on Grosvenor Square, all suites behind the former United States Embassy facade, is the newest serious address.

Planning brief

Choose the calendar and the neighborhood together, because in London the week you pick decides what is available more reliably than the budget does.

• Best suited to: culture and theater; shopping and tailoring; family city stays; the Season and its sporting fixtures.
• Decisions to settle early: the week against the calendar; the neighborhood; theater and dining access; whether a day out of town belongs in the trip.
• Arrival and routing: Heathrow, with an advance Heathrow Express fare or a car booked against the hour; rail onward to the continent or a short flight north to Scotland; the Electronic Travel Authorisation bought a week before departure at the latest.

The Best London Trips Start From Something Already Fixed

A match, a premiere, a table, or a week when nothing is on and the city belongs to you. Name the one you are circling and back comes the house, the tickets and a plan for the days in between. If the dates are still open, we will tell you which weeks to want.

Hotels, transfers, theater and tables are one piece of work for our luxury leisure travel planning. If Britain and Ireland sit inside the same itinerary, read the Dublin guide next, because the rules on either side of the Irish Sea are not the same rules.