Kids Costumes under £20
Ignite the joy of make-believe with our spectacular Fancy Dress Collection featuring kids' costumes under £20! Delight in a world of endless possibilities as your little ones transform into their favorite characters and heroes without stretching your budget. From swashbuckling pirates to graceful princesses, our diverse range of costumes caters to every fantasy and fascination. Crafted with attention to detail and comfort, each outfit ensures that playtime is as enjoyable as it is imaginative. Whether it's for themed parties, school events, or everyday adventures, our affordable collection allows kids to embrace their wildest dreams without compromise. Step into a realm of creativity and excitement - because with our budget-friendly options, every day can be a dress-up celebration!
{{ collection.total_results }} results
-
{{ filter.value.includes(':') ? filter.value.split(':')[1] : filter.value }}
{{ quickView.title }}
£{{ quickViewPrice }}
{{ quickView.body_html }}
{{ variant.title }}
Kids Howling Ghost Costume
Get dressed up as the mysterious Howling Ghost. The perfect Halloween costume for causing a scream or two this Halloween.
Kids Dapper Dracula Toddler Costume
With an adorable printed top with collar, cape and hat with comedy-sized ears, this Little Vampire Costume is the best dress-up for your little one who wants to join in on the fun on Halloween!
Kids Penguin Costume
Get your little one dressed up in this Penguin Toddler Costume costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Spider-Man Costume From Marvel Spider-Man: No Way Home
Get dressed up in this SP3- SPIDER-MAN V3 HS BOYS COS costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Thor Costume From Marvel
The God of Thunder, Thor is known for wielding his hammer Mjolnir and spending time defending worlds and defeating enemies both in the land of the Gods, Asgard, and on Earth. Become the Avenger from Marvel's hugely popular MCU with this costume!
Kids Snowman Costume
Get your little one dressed up in this Snowman Costume. Child (S) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Devil Girl Costume
Emerge from the fiery depths of hell as a Demon in this Devil Girl costume. With a dress, belt and headband in the classic bright red, this costume is perfect for trick-or-treating on Halloween.
Kids Deluxe Spider-Man Black and Gold Costume From Marvel Spider-Man: No Way Home
Get dressed up in this SP3- SPIDER-MAN V2 DLX BOYS CO costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids The Child Costume From Star Wars Mandalorian
Get dressed up in this SWM - THE CHILD costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Dragon Costume
The Kids Dragon Costume is a fun and fantastical costume that lets young ones embrace the magic and mystery of these legendary creatures. Perfect for Halloween, a fancy-dress party or just for fun.
Kids Light Up Blue Butterfly Costume
Flutter away as a butterfly in this costume! With light up features, this Light Up Blue Butterfly dress-up will transform anyone (no cocoon needed!) into a twinkling, luminescent Butterfly with dress, a wings and a headband. This dress-up is ideal for Halloween or any other fancy-dress occasion.
Kids King Costume
Get your little one dressed up in this King Toddler Costume costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Snow Girl Costume
Get your little one dressed up in this Snow Girl (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Tudor Girl Costume
Get dressed up in this CHILD TUDOR GIRL costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Dracula Costume
Get dressed up in this DRACULA costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Zombie Mermaid Costume
Travel deep into the seas and discover one of the most terrifying creatures of all… a Zombie Mermaid! Half sea-creature and half zombie, it’s like nothing you’ve ever seen before- and the ideal costume for your Halloween celebrations!
Kids Plum Pixie Costume
Get dressed up in this H/S PLUM PIXIE costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Skeleton Costume
Get dressed up in this HAUNTED HOUSE SKELETON costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Dennis The Menace Costume
All you'll need is your dog Gnasher after this costume and you'll be good to go as Beano's legendary comic strip character, Dennis! Instantly recognisable in his red and black striped top, black shorts and wild black hair, he's almost never seen without his trusty slingshot in hand, ready to cause some trouble. A staple of the Beano since 1951, you can become the mischievous comic book character with this officially licensed costume!
Kids Cool Ghoul Costume
Get dressed up in this H/C COOL GHOUL costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Unisex Denim Demon Child Costume
Get your little one dressed up in this Denim Demon (Unisex) Small costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Deluxe Hulk Costume From Marvel
Get dressed up in this DLX. HULK costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Little Wrangler Costume
Ye-haw! Discover the world of the wild west in this Little Wrangler costume. Complete with a jumpsuit with attached belt, a bandana and a hat, your little one will be dressing up like a Cowboy in no time. This costume is perfect for Halloween, World Book Day and every other dress-up occasion in-between.
Kids Skeleton Bride Costume
Get your little one dressed up in this Skeleton Bride (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Wednesday Thing Shoulder Sitter
 
Monster High Draculaura Kids Costume
The Draculaura Kids Costume is the perfect fit for your little vampire. With the matching dress and headband, she'll look just like her favorite Monster High character.
Kids Goddess Costume
Get your little one dressed up in this Goddess Childs Costume (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Luna Lovegood Kids Costume
Discover the magic of Harry Potter with your own Luna Lovegood kids costume. This costume is designed to replicate Luna's original look, complete with her signature pink glasses and style.
Kids Creepy Sister Costume
Get your little one dressed up in this Creepy Sister (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Batman Kids Costume
Become one of the most recognizable characters in the world when you put on this Batman Kids Costume. This costume is the perfect choice for any child who wants to become the Dark Knight.
Kids Medieval King Costume
Get your little one dressed up in this Medieval King Childs (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Mini Bones Skeleton Costume
Get your little one dressed up as a spooky skeleton for Halloween! With this adorable onesie and hat set, you can get the whole family into dress-up for the fancy-dress holiday of the year.
Kids Classic Red Riding Hood Costume
Get your little one dressed up in this Classic Red Riding Hood Girl (Small) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Prisoner Costume
Get dressed up in this HNTD HOUSE PRISONER costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Victorian Street Boy Costume
Get your little one dressed up in this Victorian Street Boy (Small) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Grecian Costume
Get your little one dressed up in this Grecian. Budget Childs. (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Goth Prom Queen Costume
Get dressed up in this GOTH PROM QUEEN costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Princess Of The Seas Costume
Get dressed up in this PRINCESS OF THE SEAS costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Viking Costume
Hop aboard your longboat and set sail across the icy Nordic seas! For you are a brave and fearsome warrior in this Viking costume, and you’ll rule across all kingdoms you find. With everything you need to get dressed up as a Viking, this dress-up is the perfect choice for Halloween.
Kids Deluxe Captain America Costume From Marvel
Get dressed up in this DLX. CAPTAIN AMERICA costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Glitter Witch Costume
Get dressed up in this H/S GLITTER WITCH costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Victorian Pickpocket Costume
Get dressed up in this VICTORIAN PICKPOCKET costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Gladiator Costume
Get dressed up in this GLADIATOR costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Victorian Schoolgirl Costume
Get your little one dressed up in this Victorian Schoolgirl (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids Ninja Costume
Get dressed up in this HAUNTED HOUSE BLACK NINJA costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Roman Soldier Costume
Get your little one dressed up in this Roman Soldier Child Costume (M) costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
Kids WW1 Nurse Costume
Get dressed up in this WW1 NURSE costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Werewolf Costume
A full moon and the 31st October can only mean one thing… it's time for Howlooween! Transform into the fearsome werewolf this spooky season, a must have dress up costume.
Kids Victorian Urchin Costume
Get dressed up in this VICTORIAN URCHIN costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Sleeping Princess Costume
Get your little one dressed up in this Sleeping Princess (M) *** costume. Whether it's for World Book Day, a fancy-dress party or to become a firm favourite of your dressing-up box, this children's costume will be the best gift for your little one.
