Exclusive Halloween Costumes
1 - 60 of 144
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1 - 60 of 144
![Women's Deluxe Harry Potter Mcgonagall Costume](https://images.halloweencostumes.co.uk/products/64165/1-2/womens-deluxe-harry-potter-mcgonagall-costume.jpg)
Sale - 30%
Exclusive
£95.99£66.99-£95.99*
![Plus Size Deluxe Harry Potter Hagrid Costume1](https://images.halloweencostumes.co.uk/products/64172/1-2/-plus-size-deluxe-harry-potter-hagrid-costume-1.jpg)
Exclusive
£124.99-£143.99
![Harry Potter Adult Deluxe Ravenclaw Robe](https://images.halloweencostumes.co.uk/products/62962/1-2/harry-potter-adult-deluxe-ravenclaw-robe.jpg)
Exclusive
![Deluxe Harry Potter Dumbledore Men's Costume](https://images.halloweencostumes.co.uk/products/64169/1-2/deluxe-harry-potter-dumbledore-mens-costume.jpg)
Sale - 40%
Exclusive
£95.99£57.99
![Vintage Harry Potter Hogwarts Slytherin Robe](https://images.halloweencostumes.co.uk/products/56770/1-2/vintage-harry-potter-hogwarts-slytherin-robe.jpg)
Sale - 20%
Made By Us
£47.99£38.99
![Deluxe Harry Potter Hagrid Men's Costume](https://images.halloweencostumes.co.uk/products/64171/1-2/deluxe-harry-potter-hagrid-mens-costume.jpg)
Sale - 10%
Exclusive
£95.99£85.99-£114.99*
![Harry Potter Adult Deluxe Hufflepuff Robe](https://images.halloweencostumes.co.uk/products/62964/1-2/harry-potter-adult-deluxe-hufflepuff-robe.jpg)
Sale - 13%
Exclusive
£38.99£33.99-£38.99*
![Deluxe Harry Potter Sirius Plus Size Mens Costume_Update](https://images.halloweencostumes.co.uk/products/64150/1-2/deluxe-harry-potter-sirius-plus-size-mens-costume-update.jpg)
Sale - 32%
Exclusive
£105.99£71.99-£85.99
![Deluxe Harry Potter Plus Size Adult Ravenclaw Robe](https://images.halloweencostumes.co.uk/products/62966/1-2/deluxe-harry-potter-plus-size-adult-ravenclaw-robe.jpg)
Sale - 22%
Exclusive
£42.99£33.99-£42.99*
![Deluxe Harry Potter Snape Men's Costume](https://images.halloweencostumes.co.uk/products/64153/1-2/deluxe-harry-potter-snape-mens-costume.jpg)
Sale - 10%
Exclusive
£95.99£85.99-£95.99*
![Deluxe Plus Size Harry Potter Snape Costume](https://images.halloweencostumes.co.uk/products/64155/1-2/deluxe-plus-size-harry-potter-snape-costume.jpg)
Sale - 14%
Exclusive
£105.99£90.99-£105.99*
![Deluxe Harry Potter Luna Lovegood Costume](https://images.halloweencostumes.co.uk/products/64147/1-2/deluxe-harry-potter-luna-lovegood-costume.jpg)
Sale - 11%
Exclusive
£85.99£76.99-£85.99*
![Deluxe Harry Potter Dumbledore Plus Size Costume](https://images.halloweencostumes.co.uk/products/64170/1-2/deluxe-harry-potter-dumbledore-plus-size-costume.jpg)
Sale - 36%
Exclusive
£105.99£66.99
![Harry Potter Deluxe Adult Professor Trelawney Cost](https://images.halloweencostumes.co.uk/products/89272/1-2/harry-potter-deluxe-adult-professor-trelawney-cost.jpg)
Exclusive
£95.99-£105.99
![Harry Potter Deluxe Hermione](https://images.halloweencostumes.co.uk/products/64159/1-2/harry-potter-deluxe-hermione.jpg)
Sale - 20%
Exclusive
£95.99£76.99-£95.99*
![Harry Potter Deluxe Plus Size Adult Professor Trel](https://images.halloweencostumes.co.uk/products/89273/1-2/harry-potter-deluxe-plus-size-adult-professor-trel.jpg)
Sale - 9%
Exclusive
£105.99£95.99-£105.99*
![Harry Potter Plus Size Adult Deluxe Gryffindor Rob](https://images.halloweencostumes.co.uk/products/62965/1-2/harry-potter-plus-size-adult-deluxe-gryffindor-rob.jpg)
Sale - 22%
Exclusive
£42.99£33.99-£42.99*
![Harry Potter Adult Ravenclaw Robe1](https://images.halloweencostumes.co.uk/products/62977/1-2/harry-potter-adult-ravenclaw-robe1.jpg)
Sale - 17%
Exclusive
£28.99£23.99-£28.99*
![Deluxe Harry Potter Mcgonagall Plus Size Costume](https://images.halloweencostumes.co.uk/products/64166/1-2/deluxe-harry-potter-mcgonagall-plus-size-costume.jpg)
Sale - 9%
Exclusive
£105.99£95.99-£105.99*
![Harry Potter Adult Deluxe Slytherin Robe](https://images.halloweencostumes.co.uk/products/62963/1-2/harry-potter-adult-deluxe-slytherin-robe.jpg)
Sale - 25%
Exclusive
£38.99£28.99-£38.99*
![Men's Deluxe Harry Potter Sirius Costume](https://images.halloweencostumes.co.uk/products/64149/1-2/mens-deluxe-harry-potter-sirius-costume.jpg)
Sale - 15%
Exclusive
£95.99£81.99
![Women's Deluxe Harry Potter Bellatrix Costume](https://images.halloweencostumes.co.uk/products/64151/1-2/womens-deluxe-harry-potter-bellatrix-costume.jpg)
Sale - 10%
Exclusive
£95.99£85.99-£95.99*
![Womens Harry Potter Deluxe Hermione Gryffindor Costume](https://images.halloweencostumes.co.uk/products/83544/1-2/womens-harry-potter-deluxe-hermione-gryffindor-costume.jpg)
Sale - 13%
Exclusive
![Plus Size Deluxe Harry Potter Luna Lovegood Costume](https://images.halloweencostumes.co.uk/products/64148/1-2/plus-size-deluxe-harry-potter-luna-lovegood-costume.jpg)
Sale - 20%
Exclusive
£95.99£76.99
![Deluxe Plus Size Harry Potter Hermione Costume](https://images.halloweencostumes.co.uk/products/64160/1-2/deluxe-plus-size-harry-potter-hermione-costume.jpg)
Sale - 18%
Exclusive
£105.99£85.99
![Vintage Harry Potter Hogwarts Ravenclaw Robe update](https://images.halloweencostumes.co.uk/products/56772/1-2/vintage-harry-potter-hogwarts-ravenclaw-robe-update.jpg)
Made By Us
Exclusive
![Womens Deluxe Fleur Delacour Costume](https://images.halloweencostumes.co.uk/products/64120/1-2/womens-deluxe-fleur-delacour-costume.jpg)
Sale - 50%
Exclusive
£85.99£42.99
![Queenie Goldstein Jacket Womens S/M](https://images.halloweencostumes.co.uk/products/69186/1-2/queenie-goldstein-jacket-womens-s-m.jpg)
Sale - 40%
Made By Us
£47.99£28.99-£33.99
![Harry Potter Plus Size Adult Ravenclaw Robe](https://images.halloweencostumes.co.uk/products/62978/1-2/harry-potter-plus-size-adult-ravenclaw-robe.jpg)
Sale - 29%
Exclusive
£33.99£23.99-£28.99
![Harry Potter Adult Gryffindor Robe](https://images.halloweencostumes.co.uk/products/62971/1-2/harry-potter-adult-gryffindor-robe.jpg)
Sale - 17%
Exclusive
£28.99£23.99-£28.99*
![Deluxe Harry Potter Adult Plus Size Slytherin Robe](https://images.halloweencostumes.co.uk/products/62967/1-2/deluxe-harry-potter-adult-plus-size-slytherin-robe.jpg)
Sale - 11%
Exclusive
![Harry Potter Plus Size Adult Gryffindor Robe](https://images.halloweencostumes.co.uk/products/62972/1-2/harry-potter-plus-size-adult-gryffindor-robe.jpg)
Sale - 29%
Exclusive
£33.99£23.99
![Deluxe Harry Potter Adult's Costume](https://images.halloweencostumes.co.uk/products/64162/1-2/deluxe-harry-potter-adults-costume.jpg)
Sale - 29%
Exclusive
£114.99£81.99
![Deluxe Harry Potter Plus Size Adult Hufflepuff Robe](https://images.halloweencostumes.co.uk/products/62968/1-2/deluxe-harry-potter-plus-size-adult-hufflepuff-robe.jpg)
Sale - 11%
Exclusive
£42.99£38.99-£42.99*
![Mens Hunky Wizard Costume](https://images.halloweencostumes.co.uk/products/92458/1-2/mens-hunky-wizard-costume.jpg)
Exclusive
£42.99-£47.99
![Harry Potter Plus Size Womens Deluxe Hermione Gryf](https://images.halloweencostumes.co.uk/products/83545/1-2/harry-potter-plus-size-womens-deluxe-hermione-gryf.jpg)
Sale - 22%
Exclusive
£42.99£33.99
![Vintage Harry Potter Hogwarts Hufflepuff Adult Robe update1](https://images.halloweencostumes.co.uk/products/56771/1-2/vintage-harry-potter-hogwarts-hufflepuff-adult-robe-update1.jpg)
Made By Us
Exclusive
![Deluxe Harry Potter Bellatrix Plus Size Costume for Women](https://images.halloweencostumes.co.uk/products/64152/1-2/deluxe-harry-potter-bellatrix-plus-size-costume-for-women.jpg)
Sale - 14%
Exclusive
![Plus Size Deluxe Harry Potter Costume](https://images.halloweencostumes.co.uk/products/64163/1-2/plus-size-deluxe-harry-potter-costume.jpg)
Sale - 23%
Exclusive
£124.99£95.99
![Plus Size Fleur Delacour Costume for Women](https://images.halloweencostumes.co.uk/products/64121/1-2/plus-size-fleur-delacour-costume-for-women.jpg)
Sale - 22%
Exclusive
£85.99£66.99-£76.99
![Harry Potter Adult Herbology Costume](https://images.halloweencostumes.co.uk/products/76645/1-2/harry-potter-adult-herbology-costume.jpg)
Made By Us
Exclusive
![Newt Scamander Coat](https://images.halloweencostumes.co.uk/products/41106/1-2/newt-scamander-coat.jpg)
Sale - 33%
Made By Us
£57.99£38.99-£57.99*
![Tina Goldstein Coat](https://images.halloweencostumes.co.uk/products/41105/1-2/tina-goldstein-coat.jpg)
Sale - 50%
Made By Us
£47.99£23.99-£47.99*
![Vintage Harry Potter Hogwarts Gryffindor Robe](https://images.halloweencostumes.co.uk/products/56769/1-2/vintage-harry-potter-hogwarts-gryffindor-robe.jpg)
Made By Us
Exclusive
![Luna Lovegood Knit Hat and Scarf Set](https://images.halloweencostumes.co.uk/products/86665/1-2/luna-lovegood-knit-hat-and-scarf-set.jpg)
Sale - 67%
Made By Us
£28.99£9.99
![Slytherin Tie](https://images.halloweencostumes.co.uk/products/3544/1-2/slytherin-tie.jpg)
Sale - 19%
Made By Us
£15.99£12.99
![Replica Sorting Hat](https://images.halloweencostumes.co.uk/products/86667/1-2/replica-sorting-hat.jpg)
Sale - 43%
Made By Us
£33.99£19.99
![Womens Professor McGonagall Hat](https://images.halloweencostumes.co.uk/products/3366/1-2/womens-professor-mcgonagall-hat.jpg)
Made By Us
Exclusive
![Sorting Hat Deluxe Plush](https://images.halloweencostumes.co.uk/products/69027/1-2/sorting-hat-deluxe-plush.jpg)
Sale - 20%
Made By Us
£23.99£19.99
![Gryffindor Hat update](https://images.halloweencostumes.co.uk/products/3367/1-2/gryffindor-hat-update.jpg)
Sale - 30%
Made By Us
£9.99£6.99
![Cauldron Witch Costume Companion](https://images.halloweencostumes.co.uk/products/87526/1-2/cauldron-witch-costume-companion.jpg)
Sale - 33%
Made By Us
£28.99£19.99
![Hufflepuff Reversible Knit Scarf](https://images.halloweencostumes.co.uk/products/69302/1-2/hufflepuff-reversible-knit-scarf.jpg)
Sale - 50%
Made By Us
£19.99£9.99
![Luna Lovegood Costume Accessory Kit (Quibbler Pouc](https://images.halloweencostumes.co.uk/products/71495/1-2/luna-lovegood-costume-accessory-kit-quibbler-pouc.jpg)
Made By Us
Exclusive
![Newt Scamander Hufflepuff Knit Scarf](https://images.halloweencostumes.co.uk/products/41101/1-2/newt-scamander-hufflepuff-knit-scarf.jpg)
Made By Us
Exclusive
![Ravenclaw Tie Update](https://images.halloweencostumes.co.uk/products/3546/1-2/ravenclaw-tie-update.jpg)
Sale - 19%
Made By Us
£15.99£12.99
![Dobby Ears Upd](https://images.halloweencostumes.co.uk/products/69274/1-2/dobby-ears-upd.jpg)
Made By Us
Exclusive
£14.99
![Harry Potter Ravenclaw Infinity Scarf](https://images.halloweencostumes.co.uk/products/41541/1-2/harry-potter-ravenclaw-infinity-scarf.jpg)
Sale - 30%
Made By Us
£9.99£6.99
![Hufflepuff Lightweight Scarf](https://images.halloweencostumes.co.uk/products/69297/1-2/hufflepuff-lightweight-scarf.jpg)
Sale - 30%
Made By Us
£9.99£6.99
![Harry Potter Gryffindor Infinity Scarf](https://images.halloweencostumes.co.uk/products/41539/1-2/harry-potter-gryffindor-infinity-scarf.jpg)
Sale - 30%
Made By Us
£9.99£6.99
![Dumbledore Headmaster Tassel Hat](https://images.halloweencostumes.co.uk/products/3371/1-2/dumbledore-headmaster-tassel-hat.jpg)
Made By Us
Exclusive
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If you want to get a unique and different look this Halloween, then our collection of Exclusive Halloween Costumes is for you! We carry more than a hundred unique, exclusive costumes that you will find only on Halloween Costumes.com. From our exclusive plus size Dorothy costume, to our sexy Cheshire Cat costumes, we have a unique costume that will help you stand out at your next event. Find a large selection of sizes, including infant and toddler, as well as plus sizes of many of our costumes. We offer original Halloween costumes you won't find anywhere else! These exclusive unique halloween costumes are sure to get you noticed this Halloween!