The legendary actor who portrayed Severus Snape; his presence defines the classroom's intimidating atmosphere.
The Potions Classroom – Step into the dungeons of Hogwarts
Step into Professor Snape’s iconic Hogwarts dungeon set featuring over 500 hand-labelled potion jars, interactive stirring cauldrons, and original film props.
Where is it located?
The Potions Classroom is located within the interior sets section of the Warner Bros. Studio Tour London – The Making of Harry Potter, situated among the iconic Great Hall and Dumbledore’s office.
How to access?
Access to the Potions Classroom is included with all standard admission tickets to the Warner Bros. Studio Tour London. It is part of the main walking tour route and does not require a separate booking.
Things to know before booking Potions Classroom tickets
- Included in general admission: You do not need a specific Potions Classroom ticket; entry is guaranteed with any valid Studio Tour pass.
- Atmospheric lighting: The set uses low-level, moody lighting to replicate a dungeon. Visitors with visual impairments should take extra care, though the path is clearly marked.
- Accessibility: The set is fully wheelchair accessible, though the "secret" feel of the room means some prop-heavy corners are best navigated slowly.
The Potions Classroom in a nutshell
Your Potions Classroom ticket types
| Ticket type | Is Potions Classroom access included? | Why go for it? | Starting price |
|---|---|---|---|
| Standard entry | Yes | Best value for fans | From £97 |
| Studio tour with transport | Yes | Stress-free travel from London | From £85 |
| Guided tour | Yes | VIP experience with expert guide & small group | From £115 |
What to see inside the Potions Classroom set
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500+ hand-crafted potion jars
Inspect hundreds of individually prop-filled jars containing dried herbs, baked animal bones, and strange magical ingredients created by the prop team.
Self-stirring cauldron
Witness the special effects magic that brings Snape's classroom to life with brass cauldrons that stir themselves.
Gilded archways
The room is framed by brass-leafed arches inscribed with Latin and English names of rare elements. These inscriptions were inspired by real-world historical alchemical texts.
Original costumes of potion masters
Get an up-close look at the authentic robes worn by Professor Severus Snape (Alan Rickman) and Professor Horace Slughorn.
Shelves of magical ingredients
Beyond the jars, the shelves are cluttered with "used" equipment, from toy salamanders to ginger roots, all aged with Fuller’s Earth to look centuries old.
The Dark Tower connection
Discover subtle set details hidden in the dungeon walls and archways that appeared across all eight Harry Potter films.
The filmmaking magic behind the Potions Classroom
- Mechanical effects: The self-stirring cauldron is powered by hidden motors and gears, engineered by John Richardson’s team to create lifelike movement without relying on visual effects.
- Aged by hand: Props like potion jars and furniture are sanded, painted, and dusted with Fuller’s Earth or coffee to achieve a convincingly aged, lived-in classroom appearance.
- Moody lighting: LED lights hidden inside cauldrons and jars create bubbling effects, while overhead lights are adjusted to cast dramatic shadows across shelves and stone walls.
- Subtle visual effects: CGI enhances select scenes with glowing potions, floating particles, and magical auras, layered digitally using tools like Adobe After Effects in post-production.
- Layered sound design: Ambient sounds like bubbling, glass clinking, and quiet stirring are added in post to make the classroom feel active, magical, and completely believable.
- Latin inscriptions: Look closely at the archways around the room—the Latin proverbs carved into the walls reveal clues about the ingredients and potion brewing philosophy.
- Slughorn’s classroom shift: Notice how the set subtly changes decoration and props between Professor Snape’s darker tenure and Horace Slughorn’s vibrant version in The Half-Blood Prince.
Moments from the films recreated here
Notable figures of the Potions Classroom
Know before you go
Matches the Studio Tour hours (typically 9am–8pm). Allow about 15–20 minutes specifically for this set to spot all the hidden details.
Located in the first half of the tour, shortly after the Forbidden Forest and before the Exterior Lot.
- Lighting in the Potions Classroom is dim with flickering effects. Guests with vision sensitivity may prefer standing toward the front, where visibility is slightly brighter.
- Mobility aids are welcome. The classroom is accessible, but the space between props is slightly narrow, so take it slow around corners and display areas.
- Look for the blackboard! Some of the chalk notes are actually based on authentic historical chemistry recipes.
- Snape and Slughorn’s costumes are placed at adult eye level. Lift younger children slightly if they want a better view of the details.
- If you're short, taller visitors may block your view of upper shelves. Wait for a clearer space or ask staff where best to stand.
- Photography is allowed, but lighting is low, so increase ISO settings or use Night Mode for sharper shots of jars, cauldrons, and costume details.
- The cauldron moves periodically, so wait a few moments to catch it in action. It makes for a great photo or video opportunity.
- Best photo spot: Stand near the central potion-brewing table to capture the full backdrop of illuminated potion jars.
Frequently asked questions about Potions Classroom tickets
Yes, the Potions Classroom set is fully included with all standard studio tour admission tickets. No separate add-on ticket is required.
The Potions Classroom dungeon set is located in J.K. Rowling’s Leavesden studio complex inside the main interior soundstage, situated alongside the Gryffindor Common Room and Dumbledore’s Office.
It’s a mix! Some jars contain real dried herbs and bones, while others use fabricated props like plastic shrunken heads.
All jars are sealed and behind barriers. They're not interactive, but close-up viewing reveals incredible details like handmade labels, dusting, and unique contents.
No, it is a practical effect created by the SFX team using hidden motors and gears.
Yes, some notes are inspired by historical alchemy. Set designers consulted real recipes to add depth and authenticity to the writing and symbols used.
The set evolved. It was redressed for Slughorn’s arrival in Half-Blood Prince with different lighting, props, and desk arrangements.
It was originally filmed at Lacock Abbey, then rebuilt and modified at Leavesden Studios. Its layout evolved across films to suit changing characters and storylines.
Yes, the set was redressed for Slughorn’s tenure. Props, lighting, and layout were adjusted to reflect his personality and the advanced nature of his classes.
You can spot changes across films. For example, Slughorn’s setup in Half-Blood Prince has added benches, brighter lighting, and unique props like crystal vials.
Yes, several jars, books, and shelves were repurposed across sets like Snape’s office and the hospital wing to maintain continuity and reduce production costs.
Most visitors spend 15 to 20 minutes exploring the set details, taking photos, and viewing the costume displays.
Absolutely. Photography is encouraged, though you should avoid using flash to preserve the atmospheric lighting of the set.
Flash is discouraged, as it can disrupt the lighting design and reflect off glass jars. Use natural or night mode settings for better results.
There is no official dress code, but many fans enjoy wearing their Hogwarts house robes for photos in the classroom!
Yes, the digital guide provides extra behind-the-scenes videos and interviews specifically about the Potions set.
Yes, the set area is accessible. Lower props and wide angles allow good visibility, though upper shelf details may be harder to view from seated height.
Yes, the shop often stocks themed items like mini cauldrons, potion bottles, and notebooks styled after props seen in the classroom set.
