matilda costume
Skip itSoft demand (-96.5% this quarter) — this niche doesn't clear our bar today.
Review moat
Great130.24avg incumbent reviews — the moat a new listing must climb
Avg price
Great£20.35avg listing price — sweet spot $15–$100
Price range
Good£4.43–£42.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Brand share
Good68%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Returns
Good2.9%return rate — above 5% kills the launch gate
Market size
Bad£38K£38K/yr · 300K searches
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-96.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, matilda costume is a £38K/yr Amazon United Kingdom market (300K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 43/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
matilda costume market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- £51K–£61K
- units × avg price
- Conversion rate
- 0.6%
- Avg BSR
- #2,559
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 50%
- Out of stock
- 16.1%
- Avg brand age
- 32 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
20 rising
Sellers
26
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
42%
Top 20: 84%
Open market
26%
- Koongso21%
- Morph16%
- NEW-YIJUNSHUN14%
- BlackButterfly11%
- KoleGoe7%
- Rubies5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -96.5% search growth over the last 90 days.Peak months: Feb, Mar · busiest ÷ quietest = 97.1×
Top matilda costume search terms
- matilda costume144K/yr
- matilda costume kids78K/yr
- matilda the musical costume9K/yr
- matilda dress8K/yr
- roald dahl matilda costume4K/yr
- matilda school costume6K/yr
- matilda school uniform costume5K/yr
- matilda outfit4K/yr
- matilda fancy dress5K/yr
- matilda costumes for girls26K/yr
Top matilda costume products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Koongso Girls Book Character Costume School Uniform Outfits - Grey Jacket White Shirt Black Skirt & Necktie Roald Dahl World Book Day Costumes for Kids
Koongso£25.174.4★8 rev
Morph Book Lover Costume With Dress and Accessories World Book Day Costumes For Girls Kids World Book Day Costumes 10-12
Morph£15.645.0★11 rev
NEW-YIJUNSHUN Roald Dahl Matilda the Musical Cosplay Costume Grey Red School Uniform JK Dress With Tie Halloween Christmas Party Book Week Cosplay (140-150CM)
NEW-YIJUNSHUN£32.075.0★3 rev
Koongso Girls Book Character Costume School Uniform Outfits - Grey Jacket White Shirt Black Skirt & Necktie Roald Dahl World Book Day Costumes for Kids
Koongso£25.644.4★8 rev
BlackButterfly Girls Lucy Clarity Dress Blue 3-4 Years
BlackButterfly£24.154.4★910 rev
Newest
by launch date
Dazzroi 4Pcs Book Character Costume Set for Women Fancy Dress Kit with Red Bow Headband Blue Tutu Skirt White Stockings Lizard Prop for World Book Day Carnival Cosplay Party
Dazzroi£7.820 rev
Rubies Official Roald Dahls Matilda Child Costume Kids Fancy Dress 7-8 Years
Rubies£16.6014 rev
Rubies Official Roald Dahls Matilda Child Costume Kids Fancy Dress 5-6 Years
Rubies£14.5314 rev
Morph Book Lover Costume With Dress and Accessories World Book Day Costumes For Girls Kids World Book Day Costumes 10-12
Morph£15.6411 rev
Morph Book Lover Costume With Dress and Accessories World Book Day Costumes For Girls Kids World Book Day Costumes 7-9
Morph£16.8511 rev
Trending
90-day click momentum
Fun Shack 50s High School Sweetheart Ladies Movie Fancy Dress 50s 70s Musical Halloween Costumes For Women Small
Fun Shack£22.133.6★
Crittygo Matilda Costume World Book Day Costumes with Headband Socks Handbag Matilda Fancy Dress Up for World Book Day & Theme Party
Crittygo£17.781.0★
Koongso Girls Book Character Costume School Uniform Outfits - Grey Jacket White Shirt Black Skirt & Necktie Roald Dahl World Book Day Costumes for Kids
Koongso£25.644.4★
LIUWAZJ Matilda Cosplay Costume for Girls Uniform Skirt Shirt Necktie Outfits World Book Day Costume Halloween Carnival Suit Kids Size 130-150 cm (130)
LIUWAZJ£26.764.5★
NEW-YIJUNSHUN Roald Dahl Matilda the Musical Cosplay Costume Grey Red School Uniform JK Dress With Tie Halloween Christmas Party Book Week Cosplay (130-140CM)
NEW-YIJUNSHUN£31.565.0★
What buyers say about matilda costume
What buyers praise and complain about, mined from review topics.What buyers love
“fits well when following the size guide”
“definitely up for having more than one use out of”
“Reasonable value considering the quality”
“The fit was comfortable”
“the colours are bright”
“Material quality is decent for costume wear”
“Beautiful design”
“offering excellent value at this price point”
“easy to move in”
“It didnt feel flimsy”
What buyers complain about
“Not the right size”
“order a new one also the quality isnt the good one SHEIN have better quality”
“Thin synthetic fabric”
“Thin synthetic fabric”
Top return reasons
Common questions
- Is matilda costume profitable to sell on Amazon United Kingdom?
- The niche generates £38K/yr across 34 tracked products. 0 of 15 products launched in the last 360 days are still selling. 90-day search growth is -96.5%. Flapen's verdict: Skip it (43/100).
- How competitive is the matilda costume niche?
- 20 brands and 26 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in matilda costume?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 2.9%.
- When does demand for matilda costume peak?
- Demand peaks in Feb–Mar; the busiest month runs 97.1× the quietest.
- What does it cost to enter the matilda costume niche?
- Listings span £4.43–£42.12; the average listing price is £20.35 (sweet spot $15–$100). The average incumbent carries 130 reviews — the moat a new listing must climb.