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 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 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 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 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 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 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 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 Evacuee Schoolboy Costume
Get your little one dressed up in this Evacuee Schoolboy (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 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 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 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 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 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 Shepherd Costume
Get your little one dressed up in this Shepherd Costume 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 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 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 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.
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.
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.
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 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 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 WW2 Solider Costume
Get dressed up in this WW2 SOLIDER- BOY costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Adult Dotted Clown Costume
Get dressed up in this H/H DOTTED CLOWN costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Evacuee Girl Costume
Get dressed up in this EVACUEE GIRL 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 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 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 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 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 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 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 Juliet Costume
Get your little one dressed up in this Juliet Costume 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 Caterpillar Costume
Are you hungry? See what you can munch your way through as a Caterpillar on World Book Day with this costume!
Kids Deluxe Thor Costume From Marvel
Get dressed up in this DLX. THOR costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
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 King Arthur Costume
Get dressed up in this KING ARTHUR costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids The Flash Costume From Justice League
Get dressed up in this THE FLASH costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Evacuee Boy Costume
Get dressed up in this EVACUEE BOY costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Muscle Chest Superman Costume
Get dressed up in this MSCLE/CHST CLSSC SUPERMAN costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Prince Costume
Get your little one dressed up in this Prince 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 Roman Goddess Costume
Get your little one dressed up in this Roman Goddess (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.
Monster High Frankie Stein Kids Costume
Frankie Stein is a doctor with a bright future in monsterdom. Let your little one feel like the smart, studious style icon that she is with this Frankie Stein Child Costume. This costume features a printed dress and lightning bolt hair clip to capture her beloved Monster High character's look and spirit.
Kids Pirate Boy Costume
Get dressed up in this KIDS PIRATE BOY-L566 costume. Whether it's for Halloween, a fancy-dress party or for fun, this costume is perfect for dress-up.
Kids Classic Victorian Girl Costume
Get your little one dressed up in this Classic Victorian 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 Royal Vampire Costume
Make Halloween a right royal occasion as the highest power of all Vampires. The Royal Vampire will demand sweets and treats from their loyal night dwelling subjects.
