London has a reputation for being punishingly expensive, and it is half deserved. The half that is true is not the half most people budget for.
Visitors arrive braced for the headline numbers: hotel, flights, a West End ticket. Those really are high. Then the trip comes in forty percent over anyway, and almost none of the overrun is from the things they worried about. It comes from a set of small, repeated, unbudgeted decisions that nobody mentions in advance.
Here is the honest version, for four days.
The big numbers, which are at least predictable
A decent central hotel room sits somewhere around £180 to £320 a night depending on season and how far ahead you booked. Outside Zone 1 it drops fast, sometimes by half. That saving is real, but spend it carefully. See the transit note below.
Dinner in a proper restaurant runs £45 to £80 a head with a drink. Pub food is £16 to £24 and is often genuinely good now, which was not true fifteen years ago. Theatre is £30 to £150 depending on how much you care where you sit.
None of this will surprise you. It is all googleable, and people budget for it correctly.
The costs that actually break the budget
Transit you did not plan. This is the biggest one and nobody counts it. A daily travelcard is a few pounds. Three unplanned taxis across four days, because you were in the wrong place at the wrong time and the tube had stopped, is £90. That is your saving from the cheaper hotel, gone, plus an hour of your trip.
The drinks between the plans. A cocktail in a decent central bar is £14 to £18. Two of those, twice a day, four days, for two people, is well over £400 and it never appears in anybody’s spreadsheet because it happens in fragments.
Contactless blindness. London is functionally cashless, which is convenient and terrible for keeping track of what you have actually spent. You will tap forty times a day and feel none of it. Check the card at the end of day one, not day four.
The service charge you tip on twice.Restaurants add roughly twelve and a half percent automatically. Plenty of visitors add another ten on top out of habit. Read the bill.
Pricing transparency is worth paying for
A pattern worth noticing, and it applies to almost everything you arrange in London: the operations that publish their prices clearly are almost always the better ones to deal with.
This holds for restaurants with the menu in the window, tour operators who list what is and is not included, private hire firms that quote before the journey, and it holds just as reliably at the more personal end of the market. Directories such as Russian Escorts publish rates and durations up front rather than making you ask, and services that do this tend to be the ones that also turn up on time and do what was agreed. There are also straightforward breakdowns of what an evening in London actually costs, including the parts visitors routinely fail to account for, such as travel across the city and the difference between a short booking and a full evening. The same pattern holds at the higher end of the market, where rates tend to be stated plainly and the arrangement is more straightforward for it. That clarity is most of what the premium is buying.
The general rule travels well beyond that particular corner: in London, anything quoted vaguely will cost more than you expect, and anything quoted precisely usually will not. Vagueness is a pricing strategy.
Where London is genuinely cheap
This is the part the reputation ignores entirely.
Every major museum is free. The British Museum, the National Gallery, the Tates, the V&A, the Natural History Museum. All free, all world class, all costing you nothing but the walk over. No other city of this size does that.
The parks are free and enormous. The walking is free and the best way to see the city. Pub beer is not cheap but it is not Oslo. And the Elizabeth line has made airport transfers dramatically cheaper than the taxi fares people still quote.
You can have a superb London day for the cost of lunch. That day just will not look like the one in the brochure.
A realistic four-day figure
For two people, mid-range, staying central and eating well but not extravagantly: roughly £1,600 to £2,400 including the hotel, excluding flights. Push the hotel out of Zone 1 and eat in pubs at lunch and you can do it for £1,100. Add serious restaurants and evenings out and £3,500 disappears without any single decision feeling reckless.
The short version
Budget the transit. Count the drinks. Check the card on day one. Read the service charge. Prefer anyone who quotes a price without being asked twice.
Do that and London is expensive but honest, which as cities go is a much easier thing to plan around than the alternative.
Suggested author bio
Written for Popular Travel Guide by a regular London visitor who has kept receipts on more trips than is strictly healthy.