--- title: Crystal Glass Door Knob Reflects Sunlight, Starts House Fire in London description: Because everything is terrible canonical: https://time.com/2977276/glass-doorknob-starts-fire/ author: Samantha Grossman article:opinion: false article:content_tier: free article:published_time: 2014-07-11T18:29:58.000Z article:modified_time: 2026-04-13T07:11:36.962Z og:title: A Glass Doorknob Started a House Fire in London og:description: Because everything is terrible og:url: https://time.com/2977276/glass-doorknob-starts-fire/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt153e7bf40ea6949f/69869b7a06f2c10f2432fe07/150209178.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 3388 og:image:height: 1906 og:image:alt: 150209178 og:type: article twitter:card: summary_large_image twitter:title: A Glass Doorknob Started a House Fire in London twitter:description: Because everything is terrible twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt153e7bf40ea6949f/69869b7a06f2c10f2432fe07/150209178.jpg?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Glass Door Knob Starts a House Fire Because Everything Is Terrible > Sponsored content. 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Every edition is assembled by TIME editors rather than generated automatically. by [Samantha Grossman](https://time.com/author/samantha-grossman/) ## Samantha Grossman Jul 11, 2014 6:29 PM UTC  Crystal doorknob on wooden door Crystal doorknob on wooden door Getty Images by [Samantha Grossman](https://time.com/author/samantha-grossman/) ## Samantha Grossman Jul 11, 2014 6:29 PM UTC One of the most benign, mundane objects of all time — a doorknob — is being blamed for causing a fire that destroyed part of a bedroom in a home in London. Because the glass knob was in direct sunlight, it refracted rays onto a nearby robe, which then caught fire, the London Fire Brigade explained in [a release](http://www.london-fire.gov.uk/news/LatestNewsReleases%5FDoorknobstartsfire.asp#.U8AgVo1dW38). The house was empty at the time and no one was injured, but the room did withstand considerable damage. Luckily, builders working next door eventually heard the fire alarm before the blaze could spread to the rest of the house. They alerted authorities, who identified the crystal doorknob as the catalyst. “The focal length from the window was just the right distance and it became the same principle as when you try to set fire to paper with a magnifying glass when you are a child,” Charlie Pugsley, of the London Fire Brigade’s investigations unit,[ told ](http://www.telegraph.co.uk/news/newstopics/howaboutthat/10956989/Crystal-doorknob-causes-fire-destroying-bedroom-in-1.5m-home.html)_The Telegraph._ So let this be a lesson: doorknobs are not so benign after all. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/2977276/glass-doorknob-starts-fire/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/2977276/glass-doorknob-starts-fire/"},"headline":"Glass Door Knob Starts a House Fire Because Everything Is Terrible","datePublished":"2014-07-11T18:29:58.000Z","dateModified":"2026-04-13T07:11:36.962Z","description":"Sigh","url":"https://time.com/2977276/glass-doorknob-starts-fire/","keywords":["Newsfeed","Bizarre","fire","World","london"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt153e7bf40ea6949f/69869b7a06f2c10f2432fe07/150209178.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Samantha Grossman","jobTitle":null,"url":"https://time.com/author/samantha-grossman/"}],"articleSection":"","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt153e7bf40ea6949f/69869b7a06f2c10f2432fe07/150209178.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"150209178","caption":"150209178","creditText":"Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/tag/time-section-newsfeed/","name":"Newsfeed"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/2977276/glass-doorknob-starts-fire/","name":"Glass Door Knob Starts a House Fire Because Everything Is Terrible"}}]}] ```