Fancy Dress Costumes & Accessories

Mens Fancy Dress
Mens Fancy Dress

Mens Fancy Dress

Womens Fancy Dress
Womens Fancy Dress

Womens Fancy Dress

Girls Fancy Dress
Girls Fancy Dress

Girls Fancy Dress

Boys Fancy Dress
Boys Fancy Dress

Boys Fancy Dress

Dr Seuss The Grinch Classic Adults Costume

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Dr Seuss The Grinch Children's Costume

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Festive Favourites

Christmas costumes & fancy dress

From all the essentials for Santa's grotto, to Nativity classics. Our festive costume collection is packed with the looks of the season.

Shop the full collection

Christmas gifting made fun!

Kids Character Costumes & Gift Ideas

Give the gift of dress-up this Christmas with officially licensed costumes from Harry Potter, Bluey, KPop Demon Hunters, Paw Patrol, Barbie and Gabby’s Dollhouse.

Get party ready!

Festive Party Apparel & Accessories

Sequins, metallics and mirrorball shine, all ready to hit the dance floor. Mix and match dazzling jackets, trousers and diva costumes for Christmas parties, New Year’s Eve, festivals and every celebration in between.

Shop Party Apparel

Ideas & Inspiration

Costume & party trends, inspiration and ideas.

Safety First, Fun Always: Why You Can Trust Smiffys Costumes

Safety First, Fun Always: Why You Can Trust Smiffys Costumes

Children's costumes occupy a unique space. While everyday clothing is not required to meet toy safety standards, chil...
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How many looks do the KPop Demon Hunters Have?

How many looks do the KPop Demon Hunters Have?

KPop Demon Hunters is quickly becoming the biggest must-see family film of the year, and by the time Christmas comes ...
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New Year's Eve Themed Party Ideas

New Year's Eve Themed Party Ideas

We love the idea of choosing a theme for your New Year's Eve party so you can go all-out to coordinate everything fro...
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The UK’s Fancy Dress Experts, Since 1894

For over a century, Smiffys has been helping the nation dress up. What started as a family business in Gainsborough has grown into one of the UK’s best-loved fancy dress brands, with more than 5,000 costumes, wigs, makeup and accessories to choose from.

Whatever the occasion, we’ve got the outfit. Go big at Halloween with scary costumes, witches, vampires and zombies, or spread festive cheer in a Santa suit, elf costume or Christmas jumper dress. Throwing a decade party? Our 70s, 80s and 90s fancy dress will take you straight back. Hen do, stag do, New Year’s Eve and festival season are covered too.

Our men’s, women’s and plus-size fancy dress ranges come in sizes to suit everyone. For kids, there’s a huge choice of girls’, boys’ and toddler costumes, including Book Day favourites and Christmas nativity outfits.

Love a famous face? Shop officially licensed costumes from Marvel, DC, Harry Potter, Barbie, Bluey, Star Wars and more. Then finish the look with wigs, hats, masks, props and special-effects makeup from Smiffys Makeup FX™ and Moon Creations™.

Every costume is designed with safety in mind, and with free delivery available, it’s never been easier to get party ready.