---
title: "Halloween Costumes for Girls — £88K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/halloween-costumes-for-girls"
last_updated: "2026-07-31T12:31:32.242Z"
locale: en
meta:
description: "Niche score 55/100 · £88K/yr market · 2.3M searches/yr · £16.29 avg price. Weak search conversion (0.2%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · £88K/yr market · 2.3M searches/yr · £16.29 avg price. Weak search conversion (0.2%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Halloween Costumes for Girls — £88K/yr Amazon UK Niche (2026) - Flapen"
---
# **halloween costumes for girls**
**Worth a look**
Shows a sweet-spot price point ($16.29 avg), but weak search conversion (0.2%) keeps it on the watch list.
Market size 22Growth 68Conversion 3Competition 75Returns 46Price range 66Avg price 78Brand share 76Review moat 66Quality gap 72
**Avg price**
**Great****£16.29**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+48.2%**
90-day search growth — must beat 0% to launch
**Review moat**
**Good****877.16**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£7.29–£30.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****£88K**
£88K/yr · 2.3M searches
**Conversion**
**Bad****0.2%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, halloween costumes for girls is a £88K/yr Amazon United Kingdom market (2.3M searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 55/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **halloween costumes for girls market data**
- **Units sold / yr**
- **15K–20K**
- avg 0–100/product
- **Revenue / yr**
- **£244K–£326K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#1,355**
- **Page quality**
- **0%**
- **Prime**
- **86%**
- **Sponsored**
- **70%**
- **Out of stock**
- **16.3%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**27 **▲rising
**Sellers**
**64**
**Top-5 brand share**
**59%**
Top 20: 94%
**Top-5 click share**
**40%**
Top 20: 75%
**Open market**
**38%**
- amscan25% - DiULi17% - Smiffys8% - Morphsuits4% - Atorcher4% - WWAYBEI3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +48.2% search growth over the last 90 days.
600K400KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 816.0×
[**Open Trend **](https://flapen.com/research/uk/toys-games/halloween-costumes-for-girls/trend)
## **Top halloween costumes for girls search terms**
- **halloween costumes for girls**225K/yr+107.0%0.1% conv. - **girls halloween costume**393K/yr+74.8%0.0% conv. - **kids halloween costumes girls**134K/yr+228.7%0.1% conv. - **boys halloween costume**386K/yr+49.9%0.0% conv. - **halloween outfits for girls**58K/yr+162.3%0.0% conv. - **halloween costumes boys**202K/yr-10.2%0.0% conv. - **halloween costumes girls**60K/yr+80.0%0.1% conv. - **childs halloween costumes**28K/yr+83.8%0.2% conv. - **girls halloween costume 11-12**57K/yr+77.0%0.2% conv. - **halloween costumes for kids boys**42K/yr+62.2%0.0% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/halloween-costumes-for-girls/search-terms)
## **Top halloween costumes for girls 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%4%£4K8%£7K12%£11K16%£14K1101001K10K 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**DiULi Girls Costume Yellow Joy Princess Dress Role Play Masquerade Sleeveless Dress Suitable for Halloween Party Birthday Dress Up with Wig(Yellow#150)**DiULi**£7.53**4.4★66 rev](https://www.amazon.co.uk/dp/B0F83JWMH5) [2**Smiffys Zombie School Girl Costume Grey with Skirt Jacket Mock Shirt & Tie Halloween Child Fancy Dress Zombie Dress Up Costumes**Smiffys**£11.79**4.5★2,077 rev](https://www.amazon.co.uk/dp/B00I8S22YS) [3**amscan 9905069 Childs Iridescent Spider Web Girl Fancy Dress Halloween Costume Age 10-12 Years**amscan**£17.50**4.3★1,712 rev](https://www.amazon.co.uk/dp/B07Y3V9Q5W) [4**amscan 9905067 Childs Iridescent Spider Web Girl Fancy Dress Halloween Costume Age 6-8 Years**amscan**£17.13**4.3★1,712 rev](https://www.amazon.co.uk/dp/B07Y43888X) [5**Atorcher Girls Halloween Costume Black and Yellow Polyester Top and Pants Set for Cosplay Events and Parties**Atorcher**£22.75**4.1★39 rev](https://www.amazon.co.uk/dp/B0G64X1JBH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kids Performance Outfit Sequin Costume for Boys Girls Jacket Pants Gloves Sunglasses Hat Sets Stage Party Halloween Cosplay Dance Wear Show 80s Disco Outfit Pop Star Costume**Generic**£14.60**13 rev2mo ago](https://www.amazon.co.uk/dp/B0H25X3QM3) [**Atorcher Girls Halloween Costume Black and Yellow Polyester Top and Pants Set for Cosplay Events and Parties**Atorcher**£22.75**39 rev7mo ago](https://www.amazon.co.uk/dp/B0G64X1JBH) [**WWAYBEI Kids Girls Scary Halloween Clown Costume Tulle Dress Knife Socks Gloves Hairpin Sets Pennywise Costume Fancy Dress Halloween Party Cosplay Outfit (Black White 8-9 Years)**WWAYBEI**£9.86**24 rev10mo ago](https://www.amazon.co.uk/dp/B0FRG12NK7) [**WWAYBEI Kids Girls Scary Halloween Clown Costume Tulle Dress Knife Socks Gloves Hairpin Sets Pennywise Costume Fancy Dress Halloween Party Cosplay Outfit (Black White 10-12 Years)**WWAYBEI**£9.75**24 rev10mo ago](https://www.amazon.co.uk/dp/B0FRGD114Q) [**KORURACLUB Bunny Girl Cosplay Anime Bunny Bodysuit Halloween Cosplay Lingerie for Women Animal Costumes Cosplay Events (Black Cat L)**KORURACLUB**£22.55**7 rev11mo ago](https://www.amazon.co.uk/dp/B0FP232NWC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kids Performance Outfit Sequin Costume for Boys Girls Jacket Pants Gloves Sunglasses Hat Sets Stage Party Halloween Cosplay Dance Wear Show 80s Disco Outfit Pop Star Costume**Generic**£14.60**4.8★**▲ 1000%**](https://www.amazon.co.uk/dp/B0H25X3QM3) [**DiULi Girls Costume Yellow Joy Princess Dress Role Play Masquerade Sleeveless Dress Suitable for Halloween Party Birthday Dress Up with Wig(Yellow#150)**DiULi**£7.53**4.4★**▲ 1000%**](https://www.amazon.co.uk/dp/B0F83JWMH5) [**Atorcher Girls Halloween Costume Black and Yellow Polyester Top and Pants Set for Cosplay Events and Parties**Atorcher**£22.75**4.1★**▲ 1000%**](https://www.amazon.co.uk/dp/B0G64X1JBH) [**KORURACLUB Bunny Girl Cosplay Anime Bunny Bodysuit Halloween Cosplay Lingerie for Women Animal Costumes Cosplay Events (Black Cat L)**KORURACLUB**£22.55**3.9★**▲ 1000%**](https://www.amazon.co.uk/dp/B0FP232NWC) [**DiULi Halloween Outfits Witch Costumes Halloween Fancy Dress Costume Wicked Witch Girl Costumewith Tutu Skirt Hat Witches Broom for Girls Cosplay Purple**DiULi**£9.88**4.1★**▲ 1000%**](https://www.amazon.co.uk/dp/B0FHQQK85B)
**~~View all trending →~~**
## **What buyers say about halloween costumes for girls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**26%
*“Decent quality”*
**Size-Overall**19%
*“Size correct as well”*
**Value For Money**17%
*“Good value”*
**Durability**4%
*“Lovely costume and durable too”*
**Advertised Vs Actual Product**4%
*“Better than expected”*
**Fun/Entertainment Experience**3%
*“Quality fun and fits great”*
**Storage Capacity**3%
*“Plenty space inside for an adult or child”*
**Gifting Purpose**2%
*“Perfect gift”*
**Efficiency**2%
*“it works perfect”*
**Collectibles**2%
*“Grandson really enjoyed this collection for his 5th Birthday”*
### **What buyers complain about **
**Size-Overall**14%
*“size up”*
**Quality-Overall**12%
*“Poor quality”*
**Durability**8%
*“Within 2 minutes 4 gems fell out of the wand”*
**Functionality-Overall**8%
*“Unfortunately it's not working again”*
**Heating**7%
*“Probably just a bad batch and the heat etc”*
**Material Quality**6%
*“Material cheap looking the hand hook is poor quality”*
**Stitch/Finish/Polish**3%
*“Seams frayed, poorly made”*
**Allergies**3%
*“Grandson said was itchy wouldn't wear it”*
**Inflation/Deflation**3%
*“Wish it had stayed inflated for a bit longer”*
**Upholstery/Fabric Quality**2%
*“Poor fabric”*
### **Top return reasons **
**Size-Overall**70%
**Quality-Overall**9%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Product Condition**2%
**Material Quality**2%
**Stitch/Finish/Polish**1%
**Value For Money**1%
**Functionality-Overall**1%
**Strap/String Quality**1%
## **Common questions**
- **Is halloween costumes for girls profitable to sell on Amazon United Kingdom?**
- The niche generates £88K/yr across 43 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +48.2%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the halloween costumes for girls niche?**
- 27 brands and 64 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in halloween costumes for girls?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 3.3%.
- **When does demand for halloween costumes for girls peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 816.0× the quietest.
- **What does it cost to enter the halloween costumes for girls niche?**
- Listings span £7.29–£30.04; the average listing price is £16.29 (sweet spot $15–$100). The average incumbent carries 877 reviews — the moat a new listing must climb.
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