Things to do today:
HALLOWEEN TEA: Frankenstein macarons and bloodied finger éclairs are on the menu at Lancaster London Hotel's Halloween-themed afternoon tea. £35, book in advance, until 31 October
LUNCHTIME TALK: Explore the evolution of the English language with a lunchtime lecture at the British Library. £5, book in advance, 12.30pm-1.30pm
9TH CENTURY BRITAIN: Learn about Britain in the 9th century with a talk about Nennius, the author of History of the Britons, at the British Library. Free, just turn up, 6.15pm
POST-BREXIT DIPLOMACY: Former foreign policy adviser Tom Fletcher discusses the future of European and global policy in the post-Brexit context. Lecture takes place at London School of Economics. Free, just turn up, 6.30pm-8pm
COSMOS TALK: Scientist and writer Sean Carroll explains how the laws of physics control the cosmos and human life in a talk at the Royal Institution. £14, book in advance, 7pm-8.30pm
VEUVE CLICQUOT TASTING: Sample three Veuve Clicquot and two Cloudy Bay wines in a tasting at Vivat Bacchus in London Bridge. £20, book in advance, 7pm-10pm
IMPROVISED COMEDY: Live TED-style talks inspire comedy sketches take place in Waterloo's Vaults. The guest expert speakers inspiring the acts of this week's Wunderkammer are pianist Colin Sell and comedian Jay Foreman. £7, book in advance, 7pm
SCARE SLAM: Storytellers share their scariest tales at Blackshaw's Scare Slam at The Old Lion Red Theatre. £7, book in advance, 9.30pm
Good cause of the day
CROWDFUNDING CAMPAIGN: Help students from non-selective schools develop their confidence, CVs and employability skills by donating to Access Aspiration's crowdfunding campaign. The charity needs to raise £25,000 before 26 October to help prepare 280 young Londoners prepare for life after school.
Fun things to do with our friends and sponsor Funzing...
Learn about London's debauched, drunken and disorderly history on this tour of the sordid side of the West End. Have you heard the story of the 15ft high tsunami of beer which rushed through the streets of London? Or about London's unluckiest theatre and most morbidly-located church? This tour will take you from the Covent Garden to Somerset House, entertaining you with tales of hangmen and criminals, prostitutes and paupers and the eccentric characters of Georgian London along the way. Get tickets
Camden's known for its street art, but how much do you really know about it? Explore the street art of Camden, and learn about the people who make it from an insider. You''ll visit pieces of street art that are off the beaten track, and get an insight into their possible meaning and inspiration. This two-hour tour will enable you to see Camden in a new light. Get tickets
Visit old pubs, even older churches, hidden rivers, mysterious tunnels and more on this tour of hidden Londo. You'll hear tales of the myths and legends which made the City of London what it is today, and find out the area's links to nursery rhymes and literary figures. Get tickets
Get sorted into one of the four magical houses of Hogwarts, and go in exploration of the city’s famous filming locations on this 2-hour walking tour. You’ll meet your guide outside the Palace Theatre, where Harry Potter and the Cursed Child is showing, and set off on your journey across town - following in the footsteps of Deatheaters, visiting the inspiration for Knocturn Alley, and marvelling at the Ministry of Magic. And you better brush up on your Potter knowledge, because you can earn points for your house along the way, by taking part in trivia quizzes. The winners? You’ll find out when the tour ends at Platform 9 3/4… Get tickets