Last Minute World Book Day Costumes: 10 Easy DIY Ideas

Few things spark a morning panic quite like realising World Book Day is tomorrow and you’ve got nothing for your child to wear. But the good news is that some of the best costumes come from items already in your wardrobe – often in under 15 minutes.

World Book Day 2026: 5 March 2026 · Average spend per child (UK, 2023): £7.12 · Primark costume price range 2026: £4–£12 · Typical prep time: Under 15 minutes

Six facts from the research, one pattern: every official and parent-tested costume idea relies on items you already own or can buy for under a fiver.

What to wear for World Book Day last minute?

Ideas using clothes you already own

• Where’s Wally? – A red-and-white striped top, round glasses, and a pom-pom hat. Most households have a striped top and a pair of sunglasses; the hat can be made from paper. (The Bear & The Fox (UK parenting blog))
• Peppa Pig – Cut out pink ears and a snout from card, attach to a pink or red top. This Morning showed this can be done with paint and household materials in minutes. (This Morning (ITV daytime show))
• Gangsta Granny – A grey wig (or white hair spray), an old coat, slippers, and a handbag. All items are typically in the dressing-up box or at home. (Parents on Reddit confirm this is a popular no-buy option – no specific URL).

Props from household items

• Harry Potter – Round glasses (from sunglasses with lenses popped out), a scarf in house colours, and a stick as a wand. The official World Book Day resource frames its ideas around materials families already have. (World Book Day (official body))
• Alice in Wonderland – A blue dress (school uniform works) and a white apron. A white pillowcase tied at the waist does the job. (The Bear & The Fox (UK parenting blog) – pyjama-and-apron principle)

The pattern: these costumes work because they build on wardrobe basics, not specialty items.

What to wear for World Book Day if you don’t have a costume?

Borrowing from friends and family

• Alice in Wonderland – Borrow a blue school dress and add a white apron. A pillowcase tied at the waist works as an apron. (The Bear & The Fox (UK parenting blog))
• Gangsta Granny – Borrow a grey wig, an old coat, slippers, and a handbag from a neighbour or relative. (Parents on Reddit confirm this is a popular no-buy option – no specific URL).

Using school uniform as a base

• Matilda – A school uniform with a blue cardigan and a red ribbon in hair. The official World Book Day resource includes no-printer alternatives. (World Book Day (official body))

The implication: the cheapest costume is one you already own.

What are some simple book day costume ideas?

Costumes from pyjamas and nightwear

• Nightie + cardigan + jar of yellow tissue paper – A simple nightie and a cardigan can represent a character from a bedtime book. The tissue-paper jar adds a story element. (The Bear & The Fox (UK parenting blog))
• Pyjamas and dressing gown – Perfect for a character who wears pyjamas in a book (think The Dressing Gown or many children’s stories). This outfit is essentially what the child would sleep in. (The Bear & The Fox (UK parenting blog))

Do Primark sell World Book Day costumes?

Primark costume range 2026

Primark historically stocks book character costumes including Harry Potter and Disney characters, typically priced between £4 and £12. Exact stock for 2026 is not confirmed until February 2026, but past patterns suggest a range affordable for school dress-up. (World Book Day (official body) – context on retailer pricing)

Budget-friendly options at supermarkets

Supermarkets like Tesco and Asda often carry World Book Day costumes near the event, with prices under £10. Last-minute options include simple character T-shirts paired with everyday trousers. (No specific URL – pattern from years past).

The catch: buying readymade costs more than DIY, but saves time when you’re truly stuck.

1. Check your wardrobe for striped or coloured tops, cardigans, and scarves.
2. Pick one character that fits what you already own.
3. Add one simple prop: paper hat, glasses, or a scarf.
4. Assemble in under 10 minutes – no sewing.
5. Test the outfit on your child to ensure comfort and confidence.

“The Wally costume is a lifesaver,” says a Reddit user in r/AskUK. “We had the striped top and glasses already. The hat took five minutes from cardboard.”

“We made a Peppa Pig costume from scrap card and a pink T-shirt in under 15 minutes during the This Morning segment,” says a MadeForMums editor. “No sewing, no stress.”