---
title: "Red Costume — £4K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/red-costume"
last_updated: "2026-07-31T15:32:18.930Z"
locale: en
meta:
description: "Niche score 40/100 · £4K/yr market · 24K searches/yr · £14.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £4K/yr market · 24K searches/yr · £14.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Red Costume — £4K/yr Amazon UK Niche (2026) - Flapen"
---
# **red costume**
**Skip it**
Soft demand (-52.4% this quarter) — this niche doesn't clear our bar today.
Market size 1Growth 0Conversion 15Competition 51Returns 33Price range 73Avg price 74Brand share 69Review moat 88Quality gap 86
**Review moat**
**Great****237.63**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£14.88**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£4.77–£43.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£4K**
£4K/yr · 24K searches
**Growth**
**Bad****-52.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, red costume is a £4K/yr Amazon United Kingdom market (24K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Mar–Oct–Nov. Verdict: Skip it — 40/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **red costume market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **£4K–£7K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#2,308**
- **Page quality**
- **0%**
- **Prime**
- **81%**
- **Sponsored**
- **56%**
- **Out of stock**
- **24.4%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**44**
**Top-5 brand share**
**64%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 92%
**Open market**
**29%**
- Disguise21% - Smiffys17% - cutecool11% - MYQYwin8% - TOYTOPIE8% - Generic7%
## **Demand & seasonality**
Weekly Amazon search volume, last 93 weeks — -52.4% search growth over the last 90 days.
23K18KSpike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
Peak months: Mar, Oct, Nov · busiest ÷ quietest = 40.8×
[**Open Trend **](https://flapen.com/research/uk/toys-games/red-costume/trend)
## **Top red costume search terms**
- **red costume**10K/yr-29.9%0.2% conv. - **descendants red costume**3K/yr-57.4%0.8% conv. - **red costume descendants**3K/yr-62.6%1.9% conv. - **rise of red costume**2K/yr-51.0%2.2% conv. - **descendants rise of red costume**2K/yr-65.1%0.4% conv. - **red descendants costume**5K/yr-85.1%0.5% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/red-costume/search-terms)
## **Top red 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.
0%5%£20910%£41815%£62620%£8351101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Smiffys Scouser Tracksuit Red & White with Jacket & Trousers 1980s Fancy Dress 1980s Dress Up Costumes**Smiffys**£12.94**4.1★565 rev](https://www.amazon.co.uk/dp/B01D8FK1JS) [2**cutecool Halloween Pyjamas Jumpsuit Costume Onesie Pajamas Unisex Animal One-piece Costume Homewear Sleepwear Party (UK Alpha L Regular Regular Red Teletubbies)**cutecool**£10.41**3.9★335 rev](https://www.amazon.co.uk/dp/B0CL9R9J2L) [3**Disney Descendants Red Classic Dress Up by Disguise Official License Fancy Dress Costume for Girls Features Red Long Sleeve Onesie with Skirt Detail Size M (7-8 Years)**Disguise**£16.73**4.5★183 rev](https://www.amazon.co.uk/dp/B0CLFM9S4L) [4**Disney Disguise Descendants Red Costume for Girls Perfect for Descendants Fans Bold Red Longsleeve Onesie with Stylish Skirt Detail and Mesh Sleeves 4-6 years**Disguise**£15.32**4.5★183 rev](https://www.amazon.co.uk/dp/B0CKWH9MP8) [5**TOYTOPIE Rise Of Red Costume for Girls Red Hero Costume Set with Long Sleeve Jumpsuit Wig and Gloves Kids Halloween Fancy Dress Up for Girls 510 Years School Play and Role Play Outfit**TOYTOPIE**£14.92**3.8★15 rev](https://www.amazon.co.uk/dp/B0FFNFJZBS)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vervora Red Hoodie with Yellow Letter A Chipmunk Fancy Dress Costume Cotton Blend Hooded Sweatshirt for Halloween Cosplay 90s Party Outfit & Themed Events (L)**Vervora**£8.96**3 rev6mo ago](https://www.amazon.co.uk/dp/B0GJSVPY4Q) [**Crayon Costume Adult 3Pcs Colorful Crayon Fancy Dress Include Crayon Apron Funny Cone Hat And Striped Socks Unisex World Book Day Costumes Halloween Party Christmas Group Cosplay Outfits (Red)**Zidoley**£9.26**50 rev6mo ago](https://www.amazon.co.uk/dp/B0GF8B4GZW) [**Womens Onesies Adults Adult Onesies Pajamas Jumpsuit Costume Women Men Onesie Pajamas Unisex Animal One piece Costume Homewear Sleepwear Party Christmas Red**Generic**£10.60**5 rev8mo ago](https://www.amazon.co.uk/dp/B0G1ZCGNYN) [**TOLOYE Red of Rise Costume Red of Rise Dress with Crossbody Bag Wig and Gloves Halloween Costumes for Kids Fancy Dress for Carnival Cosplay Party Halloween Girls Gift (Red 120)**TOLOYE**£19.41**3 rev10mo ago](https://www.amazon.co.uk/dp/B0FSQJJG3Q) [**TOLOYE Red of Rise Costume Red of Rise Dress with Crossbody Bag Wig and Gloves Halloween Costumes for Kids Fancy Dress for Carnival Cosplay Party Halloween Girls Gift (Red 130)**TOLOYE**£18.04**3 rev10mo ago](https://www.amazon.co.uk/dp/B0FSQJLZ3N)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vervora Red Hoodie with Yellow Letter A Chipmunk Fancy Dress Costume Cotton Blend Hooded Sweatshirt for Halloween Cosplay 90s Party Outfit & Themed Events (L)**Vervora**£8.96**3.0★**▲ 278%**](https://www.amazon.co.uk/dp/B0GJSVPY4Q) [**Smiffys Scouser Tracksuit Red & White with Jacket & Trousers 1980s Fancy Dress 1980s Dress Up Costumes**Smiffys**£12.94**4.1★**▲ 251%**](https://www.amazon.co.uk/dp/B01D8FK1JS) [**Womens Onesies Adults Adult Onesies Pajamas Jumpsuit Costume Women Men Onesie Pajamas Unisex Animal One piece Costume Homewear Sleepwear Party Christmas Red**Generic**£10.60**4.2★**▲ 245%**](https://www.amazon.co.uk/dp/B0G1ZCGNYN) [**Yolev Womens Tulle Tutu Skirt Vintage 1950s Tulle Bubble Dance Skirt Prom Skirt Elastic 3 Layer for Halloween Christmas Party Costume (Red)**Yolev**£4.94**4.1★**▲ 207%**](https://www.amazon.co.uk/dp/B0B6HNQBM4) [**Womens The Rise of Red Costumes Red Leather Coat Pants Outfit Halloween Party Princess Red Costume S**Generic**£43.33**5.0★**▲ 206%**](https://www.amazon.co.uk/dp/B0DJ921JKJ)
**~~View all trending →~~**
## **What buyers say about red costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**31%
*“Fit her really well”*
**Advertised Vs Actual Product**13%
*“Works as pictured and described. and then some”*
**Collectibles**13%
*“Lovely toy clock arrived quickly”*
**Washability**13%
*“Bought for my daughter for halloween, shes worn it plenty since then, it washes really well, nice quality”*
**Value For Money**13%
*“Great value for money”*
**Color**6%
*“Very pretty”*
**Ease Of Use**6%
*“Nice and easy to wear”*
### **What buyers complain about **
**Size-Overall**50%
*“Size came up small”*
**Thin**25%
*“the material was too thin for this time of year to wear on book day”*
### **Top return reasons **
**Size-Overall**64%
**Material Quality**8%
**Quality-Overall**5%
**Advertised Vs Actual Product**5%
**Stitch/Finish/Polish**4%
**Defective Material/Parts**3%
**Length**2%
**Shape/Style**1%
**Gap/Hole**1%
**Waist Fit**1%
## **Common questions**
- **Is red costume profitable to sell on Amazon United Kingdom?**
- The niche generates £4K/yr across 27 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -52.4%. Flapen's verdict: Skip it (40/100).
- **How competitive is the red costume niche?**
- 18 brands and 44 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in red costume?**
- Top complaints mined from reviews: Size-Overall, Thin. The return rate is 4.4%.
- **When does demand for red costume peak?**
- Demand peaks in Mar–Oct–Nov; the busiest month runs 40.8× the quietest.
- **What does it cost to enter the red costume niche?**
- Listings span £4.77–£43.33; the average listing price is £14.88 (sweet spot $15–$100). The average incumbent carries 238 reviews — the moat a new listing must climb.
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