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Common rooms at Hogwarts

"You will have classes with the rest of your house, sleep in your house dormitory, and spend free time in your house common room."
First-years learning about life in the castle[src]

A common room was a shared lounge area in Hogwarts School of Witchcraft and Wizardry. There was one for each House.[1] The common rooms featured fireplaces and sitting areas and were decorated in house colours.[1] They were often used to do homework and to socialise with housemates.[1] The boys' and girls' dormitories were also attached to the common rooms,[1] with spells in place to prevent male students from entering the girls' dorms, but not vice versa, which Ronald Weasley felt was unfair.[2]

Overview[]

The four Houses each had a protective measure to prevent students from other houses entering. To enter the Gryffindor Tower and the Slytherin Dungeon, one required a password.[1][3] The Ravenclaw Tower required the answer to a riddle in order to enter,[4] and the Hufflepuff Basement required tapping the barrel 'two from the bottom, middle of the second row' in the stack of barrels near the kitchen corridor, in the rhythm of Helga Hufflepuff.[5]

It could be said that the methods of gaining entry to each house's common room mirrored the perceived intellectual reputation of each house. Hufflepuff, often known as the house with no certain particular aptitude in its students, had a very simple method of entry that never changed. On the other end of the spectrum, Ravenclaw, a house prizing intelligence, provided a new intellectual challenge with each attempted entry.[5]

Hufflepuff was the only House to have a defence mechanism for the common room. If someone tapped the wrong barrel or the wrong rhythm, they were doused in vinegar.[5]

It was against Hogwarts covenants for parents or professors to enter common areas without specific permission, most likely from the Headmaster.[6]

Common rooms[]

"Why are they called Common [sic] rooms when only people from a certain house can go into them? Doesn't that make them uncommon rooms?"
— A Ravenclaw student reflects on the name "common room"[src]

Behind the scenes[]

  • The location of common rooms other than one's own was generally secret to Hogwarts students. Harry Potter learned of the location of two common rooms other than Gryffindor's only through extraordinary circumstances — the usage of Polyjuice Potion to transform into Gregory Goyle in his second year to follow Draco Malfoy to the Slytherin common room and by consent of Luna Lovegood to the Ravenclaw common room to observe a model of Rowena Ravenclaw's diadem just before the Battle of Hogwarts. When Harry, Ron, and Hermione were snatched by Fenrir Greyback's Snatcher gang, Harry replied "Slytherin" when asked what House he was in at Hogwarts. Scabior stated that it was funny how everyone thought that was what they wanted to hear, but nobody they had snatched could tell them where Slytherin's common room was. Harry's correct answer nearly saved him and the others, until Hermione was recognised from a photo in the Daily Prophet.
  • Originally, Rowling intended Harry Potter to visit all four House common rooms, but he only visited three - Gryffindor, Ravenclaw and Slytherin.[5]
  • Players of Harry Potter: Magic Awakened can enter all four common rooms at Hogwarts after drinking the Invisibility Potion.

Appearances[]

Notes and references[]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Harry Potter and the Philosopher's Stone, Chapter 7 (The Sorting Hat)
  2. Harry Potter and the Order of the Phoenix, Chapter 17 (Educational Decree Number Twenty-Four)
  3. 3.0 3.1 Harry Potter and the Chamber of Secrets, Chapter 12 (The Polyjuice Potion)
  4. 4.0 4.1 Harry Potter and the Deathly Hallows, Chapter 29 (The Lost Diadem)
  5. 5.0 5.1 5.2 5.3 5.4 Writing by J. K. Rowling: "Hufflepuff Common Room" at Wizarding World
  6. Harry Potter and the Cursed Child, Act Three, Scene Fifteen
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