Free things to do in London this week — properly free, not free-with-an-asterisk

"Free things to do in London" articles are usually full of things that are not actually free. Free with a drink minimum. Free if you give them your work email. Free with a hidden £8 booking fee. Free if you're willing to sit through a 40-minute pitch.

This list is properly free. You can rock up, do the thing, leave. Some take a booking but no card details and no upsell.

Why these specifically

I picked these because they meet two tests: I've done them in the last six months, and I'd do them again instead of paying. There are loads of other free things in London but plenty of them are once-and-done — visit the Tate Modern collection if you haven't, sure, but I'm not going every week.

The lates at Tate Modern are different — same building, same art, but on a Friday or Saturday night the crowd thins out, the bar is open (paid, obviously, but not required), and the whole place feels different. I do this maybe four times a year and never regret it.

The lunchtime concerts thing

St Martin-in-the-Fields runs free lunchtime concerts on most weekdays at 1pm. Forty-five minutes, proper musicians, often visiting professionals or students from the Royal Academy. The acoustic in that church is mental. You can drop in for fifteen minutes if you're between meetings. Donations welcome but not asked for.

If you work near Trafalgar Square and you've never done this, you're missing one of the better lunch breaks in London.

Newspeak House and free tech

If you're even slightly tech-adjacent, Newspeak House in Bethnal Green is genuinly free and runs events most weeks. AI, policy, civic tech. The crowd is good. Book ahead, the rooms fill.

There's also a wider scene of free tech meetups across London — at the Anthropic London office occasionally, at Stripe London, at Google's office on King's Cross when they're running something public. The free tech meetups list is a decent starting point if that's your thing.

Sky Garden — actually free if you book

Sky Garden at the top of the Walkie Talkie is properly free. You book through their website three weeks out, you turn up, you go up. They want you to spend on food and drink at the bar, but you don't have to. Bring a friend, take some photos, walk back down to Liverpool Street. Cost: zero.

The free things people forget

Free guided tours at the British Museum (the Eye-opener tours run multiple times a day, 30-40 minutes, by volunteer experts) are genuinly excellent. You don't book. You turn up at the meeting point, you go.

The free walking tours of London — the proper ones, not the tip-pressured ones — exist if you look for them. The donation-based ones I'd swerve, the genuinely free university student tours are worth it if you can find them.

The pond

Hampstead Heath's Men's and Ladies' Ponds are technically donation-based at most times. Before 8am they're free. They're also bracingly cold and one of the best things you can do in London on a hot Saturday. The Mixed Pond is a small fee but well worth it the rest of the year.

Free isn't the only metric

Worth saying — I'm not a "do everything for free" person. London is full of things worth paying for. But there's a category of cheapness that's satisfying — doing genuinly good stuff and not having paid for it. The list above is that category.

If you want to find more free events in London on a given week, the Rifio this-week page has a free filter that actually works (it filters for events listed as free, not "low-cost"). It's not exhaustive but it's a good starting point.

What I don't recommend: any of the "free with a hot drink minimum" wellness things, anything where the booking page asks for your work email twice, and any free webinar that promises to teach you to make six figures.