Browse hundreds of kids birthday party theme ideas for boys, girls and everyone. Get inspiration for decorations, activities, food, and connect with local party makers across the UK.
Planning a kids birthday party? Browse over 200 curated party theme ideas for boys, girls, and everyone in between. From Peppa Pig and unicorns to dinosaurs and superheroes, find the theme your child will love — then connect directly with local party makers, decorators, cake artists, and photographers who can help bring it to life.
A high-energy party under blacklights with vibrant neon accents and cosmic vibes.
An adventurous exploration through the jungle with earthy tones and animal prints.
80s nostalgia meets modern gaming. Pixelated decor and classic arcade vibes.
A whimsical, soft-toned party filled with flowers, wings, and magic.
Dive into a magical underwater celebration! 💜🧜♀️ Soft lavender, shimmering aqua, pearlescent details and a touch of ocean sparkle come together to create the dreamiest mermaid party. From the elegant backdrop and pastel balloons to the enchanting cake, matching soft play and ocean-inspired treats, every detail is designed to make little mermaids feel like they're part of a fairytale.
A sugar-coated dream world with bright pastels and oversized sweets.
Action-packed and bold. High-contrast colors and heroic challenges.
A sophisticated, aesthetic gathering with floor cushions and earthy tones.
Sleek, silver, and futuristic. A focus on NASA-style tech and the stars.
Enchanting forest creatures welcome your little one on their very first birthday
Soft pastels and golden stars celebrate your little star's first trip around the sun
Every color of the rainbow shines for your little miracle's first birthday
Hunny pots and friendly Hundred Acre Wood characters for a sweet first birthday
Shimmering ocean blues and corals for your pearl of the sea's first birthday
ROAR into year one with prehistoric pals and jungle greenery
Rolling hills and barnyard friends make the sweetest first birthday on the farm
Big top magic and colorful carnival fun for your little performer's debut
Flutter and bloom with pastel butterflies and garden flowers all around
Dive into an ocean wonderland of fish, bubbles, and coral for year one
Soft plush bears and picnic blankets for the coziest first birthday ever
Buzzing stripes of yellow and black sweeten your little honey's first birthday
Tribal prints and safari vibes for your wild child's first roar into the world
Pastel pinks and gold glitter mark a magical and oh-so-sweet first birthday
Elmo, Big Bird, and all your Sesame Street pals make the best first birthday block party
Pink polka dots and Minnie's iconic bow make every moment picture-perfect
Dreamy white clouds and soft sky blues float through your little one's first birthday
Puddle jumping and piggy fun with Peppa and George for a perfectly playful party
Chase, Marshall, and the whole PAW Patrol team are on a roll for this rescue party
JJ and the Cocomelon family bring nursery rhyme magic to your little one's party
Heeler family adventures and backyard games make this party the best day ever
Doo doo doo — Baby Shark brings an ocean of fun to your little fish's party
Oh Toodles! Mickey's Clubhouse opens its doors for a magical toddler birthday
Polka dots, bows, and Minnie's sparkle make this the most stylish toddler party
Crazy hair, glitter, and endless singing with Poppy and Branch for a colorful party
Moo, oink, and cluck — the whole barnyard is ready to celebrate with your little farmer
Swing through the vines and discover exotic animals in this tropical jungle party
Hard hats on! Trucks, diggers, and concrete mixers make this party seriously cool
Dreamy nights and starry skies sparkle through this celestial first birthday celebration
Shake, bang, and strum — this musical bash celebrates little rockstars everywhere
Balls, goals, and tiny athletic moves — celebrate your little sports star in style
Seven colors of joy arch across a sky full of smiles for your sunshine baby
Two by two, adorable animals board the ark for a sweet and faithful birthday party
Tiny hands in the soil, seeds, flowers, and sunshine celebrate your little green thumb
Let it go! Elsa and Anna's ice magic turns your little one's birthday into a winter wonderland
Rainbow horns, pastel clouds, and pure magic swirl through this dreamy unicorn birthday
Swing into action with Peter Parker — web-slinging thrills for your little superhero
Ka-chow! Lightning McQueen and his Radiator Springs crew race into birthday glory
Tiaras, gowns, and royal elegance make every little girl feel like a princess today
Grab your binoculars — lions, giraffes, and elephants are waiting at this safari party
Fire-breathing dragons, mystical castles, and brave knights fill this epic birthday party
Diggers, dump trucks, and crane action make this the most built-up party in town
Under the sea with Ariel — fins, shells, and ocean magic for your sea princess
We don't talk about Bruno — but we do celebrate with the Madrigal family's magic
Ka-chow! Race with Lightning McQueen and Mater at the Radiator Springs Grand Prix
Sail beyond the reef with Moana and Maui on this Polynesian birthday adventure
Hard hats and high-vis — diggers and cranes are building the best birthday ever
A burst of color for every occasion — this rainbow party is pure joy from start to finish
Friendship is magic and so is this pony-filled pastel party for your little fan
Explore the dino world with your little scientist!
Castles, dragons, fairies, and princes — every fairy tale comes alive at this party
The most popular kids party themes in the UK in 2025 include Peppa Pig, dinosaurs, unicorns, superheroes, Bluey, mermaids, Paw Patrol, and princesses. Browse our full collection of over 200 party themes on Festaday.
Think about your child's current obsessions — their favourite TV show, animal, colour, or hobby. A theme they're excited about makes everything easier. Browse by age group or category, or use our search to find themes that match their interests.
Themed parties work at any age. For toddlers (ages 1-3), simple character themes like Peppa Pig or dinosaurs work well. Ages 4-7 love immersive themes like superheroes or fairies. Older children (ages 8-12) often enjoy activity-based themes like gaming, sports, or art parties.
A DIY themed party can cost as little as £50-£100 for decorations and supplies. Adding a professional cake, photographer, or entertainment typically brings costs to £200-£500. Festaday connects you with local makers across all budgets — browse vendors and request quotes directly.
Yes. Each theme page on Festaday connects you with local UK vendors who specialise in that theme — from balloon artists and cake makers to photographers and entertainers. Send enquiries directly from the theme page.