David Willis found himself locked in a branch of Waterstones bookshop for two hours last night. He posted to Instagram: 

This is me locked inside a Waterstones bookstore in London. I was upstairs for 15 minutes and came down to all the lights out and door locked. Been here over an hour now. Supposedly someone is on their way.

One Guardian reader, loosemore, replied: “Sounds like heaven”. 

Photo: davwillis/Instagram

Land prices in London are spiralling … and public toilets are being reinvented as restaurants, cafes and boutiques

At your convenience: converted public toilets » 

Photo: Leon Neal/AFP/Getty Images

A restaurant dedicated to tinned fish may seem eccentric but we are not complete strangers to high-end – and beautifully designed – canned products. 

Tincan: the restaurant serving only tinned fish »

Watch one man’s attempt to beat the tube between two stations of the London underground - on his own two feet

A specially commissioned map of London charts the city’s buried rivers, tube lines, bunkers, sewers, government tunnels, and other subterranean secrets

The map, created by Stephen Walter, is part of an exhibition documenting 500 years of maps of London.

Notting Hill carnival, the west London street party, celebrates its 50th year this year … as if the rain was going to spoil it! More photos 

Photo: Facundo Arrizabalaga/EPA

What is London’s $300m garden bridge for? 

Take one voguish designer, one national treasure and one icon-hungry mayor and what do you get? A floating forest across the Thames. We interviewed its designer

Image: Arup

Level seven of a multi-storey car park in southeast London isn’t where you’d expect to hear Sibelius’s Fifth Symphony. Nonetheless, that’s where the Multi-Story orchestra are performing. Read more

London taxi drivers converged on Trafalgar Square in their vehicles on Wednesday afternoon to stage a major protest over a mobile phone app for booking private journeys in and around the capital. Full story here

Photo: Martin Godwin

“Cockney: One of the most celebrated English dialects, a variety spoken by working class east Londoners – famous for its playful vocabulary as much as for the way it sounds – is likely to disappear within a generation, according to one sociolinguist. His studies suggest it is being replaced by Multicultural London English. In an age where travel and migration are much easier, we need to be understood by a broader range of people, and tend to temper the most distinctive features of our accents.”