---
title: "Womens Halloween Outfits — £36K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/womens-halloween-outfits"
last_updated: "2026-07-31T11:39:50.163Z"
locale: en
meta:
description: "Niche score 31/100 · £36K/yr market · 837K searches/yr · £15.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · £36K/yr market · 837K searches/yr · £15.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Womens Halloween Outfits — £36K/yr Amazon UK Niche (2026) - Flapen"
---
# **womens halloween outfits**
**Skip it**
Weak search conversion (0.3%) — this niche doesn't clear our bar today.
Market size 9Growth 5Conversion 3Competition 20Returns 25Price range 61Avg price 77Brand share 39Review moat 63Quality gap 95
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£15.75**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****979.94**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£4.22–£31.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****5.0%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£36K**
£36K/yr · 837K searches
**Growth**
**Bad****-40.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United Kingdom niche tracking, womens halloween outfits is a £36K/yr Amazon United Kingdom market (837K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 31/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **womens halloween outfits market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£24K–£32K**
- units × avg price
- **Conversion rate**
- **0.3%**
- **Avg BSR**
- **#371**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **12.9%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**12%**
- RSLOVE23% - HENBRANDT23% - Smiffys17% - DELIMALI13% - EraSpooky7% - Fortunezone6% - Open — no brand owns it (6 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -40.4% search growth over the last 90 days.
225K175KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 37.3×
[**Open Trend **](https://flapen.com/research/uk/fashion/womens-halloween-outfits/trend)
## **Top womens halloween outfits search terms**
- **womens fancy dress costumes**115K/yr-30.2%0.0% conv. - **fancy dress women**51K/yr+40.1%0.0% conv. - **costumes for women**101K/yr-40.6%0.0% conv. - **adult fancy dress costumes women**57K/yr-69.4%0.1% conv. - **womens costume**56K/yr-34.8%0.0% conv. - **womens fancy dress costume**29K/yr-30.1%0.0% conv. - **costume women**46K/yr-36.4%0.0% conv. - **adult costumes women**29K/yr-69.2%0.1% conv. - **women fancy dress costume**17K/yr-42.9%0.0% conv. - **womens costumes**20K/yr-46.7%0.0% conv. [**All search terms **](https://flapen.com/research/uk/fashion/womens-halloween-outfits/search-terms)
## **Top womens halloween outfits 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%10%£4K20%£7K30%£11K40%£14K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**HENBRANDT Adult Womens Roman Lady Mini Dress with Shawl and Headpiece Short White Toga Fancy Dress Costume Ancient History Dress Up Outfit One Size Ladies Fancy Dress Costume**HENBRANDT**£8.79**4.0★290 rev](https://www.amazon.co.uk/dp/B00SJJ6OPE) [2**RSLOVE Women Lingerie Sets Costume - Sexy Maid Outfits Sleepwear Dress for Halloween Cosplay Black Medium**RSLOVE**£14.73**4.2★218 rev](https://www.amazon.co.uk/dp/B0DH268DNS) [3**DELIMALI Womens Mermaid Ladies Ruffle Sequin Fairytale Book Fancy Long Tail Dress Womens Adults Costume Outfit (Blue Medium)**DELIMALI**£14.91**3.2★11 rev](https://www.amazon.co.uk/dp/B09DY64GW3) [4**Smiffys Grease Pink Ladies Jacket for Women Pink Jacket with Embroidered Logo Officially Licensed Ideal for Matching Group Outfits Fancy Dress and Playful Music-Themed Events Halloween**Smiffys**£12.30**4.2★3,768 rev](https://www.amazon.co.uk/dp/B001553416) [5**EraSpooky Greek Goddess Ladies Roman Toga Party Fancy Dress Costume White**EraSpooky**£20.61**4.2★309 rev](https://www.amazon.co.uk/dp/B075FTSS29)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Fjquamitix Womens One Piece Plus Size Swimsuit Swimming Costume Tummy Control Ruched Modest Swimwear Paded Vintage Bathing Suit L-5XL (UK Alpha XXL Regular Regular Black)**Fjquamitix**£12.18**8 rev4mo ago](https://www.amazon.co.uk/dp/B0GQ9V653Q) [**SEAUR Womens Faux Leather Lingerie Mini Dress PU V Neck Backless Babydoll Dress Wet Look Halloween Costumes Party Nightwear with Thongs Pink M**SEAUR**£19.74**9 rev10mo ago](https://www.amazon.co.uk/dp/B0FSKLT4QG) [**Womens Oil Glossy Shiny Jumpsuit Metallic Stretchy Full Bodysuit Funny Sheer Nylon Cosplay Catsuit Bodysuit Romper for Ladies Party Black**SEAUR**£19.01**19 rev10mo ago](https://www.amazon.co.uk/dp/B0FSKV63NF) [**Strawberry Fruit Costume for Adults Funny Fancy Dress Outfit with Headpiece Colorful Strawberry Cosplay for Men Women Ideal for World Book Day Halloween Role Play Themed Parties**Generic**£5.92**36 rev1y ago](https://www.amazon.co.uk/dp/B0F1ZZ7CV3) [**Fortunezone Princess Leia Costume Adult Halloween Cosplay White Long Dress with Belt**Fortunezone**£31.45**18 rev1y ago](https://www.amazon.co.uk/dp/B0DX21QLLZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fjquamitix Womens One Piece Plus Size Swimsuit Swimming Costume Tummy Control Ruched Modest Swimwear Paded Vintage Bathing Suit L-5XL (UK Alpha XXL Regular Regular Black)**Fjquamitix**£12.18**3.2★**▲ 79%**](https://www.amazon.co.uk/dp/B0GQ9V653Q) [**maxToonrain Dresses for Women UK Elegant Womens 1950s 80s 70s 90s Fancy Dress A Line Spaghetti Strap Polka Dot Midi Party Dress Halloween Costumes for Adults Ladies(B-Pink S)**maxToonrain**£18.22**4.5★**▲ 79%**](https://www.amazon.co.uk/dp/B0CXPM1LYF) [**Womens Oil Glossy Shiny Jumpsuit Metallic Stretchy Full Bodysuit Funny Sheer Nylon Cosplay Catsuit Bodysuit Romper for Ladies Party Black**SEAUR**£19.01**3.9★**▲ 77%**](https://www.amazon.co.uk/dp/B0FSKV63NF) [**SEAUR Womens Faux Leather Lingerie Mini Dress PU V Neck Backless Babydoll Dress Wet Look Halloween Costumes Party Nightwear with Thongs Pink M**SEAUR**£19.74**2.5★**▲ 77%**](https://www.amazon.co.uk/dp/B0FSKLT4QG) [**Fortunezone Princess Leia Costume Adult Halloween Cosplay White Long Dress with Belt**Fortunezone**£31.86**4.1★**▲ 74%**](https://www.amazon.co.uk/dp/B0DX1ZSXW2)
**~~View all trending →~~**
## **What buyers say about womens halloween outfits**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**20%
*“Good value”*
**Advertised Vs Actual Product**20%
*“Perfect and as described”*
**Comfort-Overall**15%
*“comfortable”*
**Quality-Overall**15%
*“The quality of the costume itself was good though, it was soft and comfortable”*
**Size-Overall**10%
*“Comfortable fits well”*
**Color**10%
*“its a nice black colour”*
**Soft Feel**5%
*“it was soft”*
### **What buyers complain about **
**Quality-Overall**31%
*“Poor quality”*
**Chest Fit**17%
*“Bust too small”*
**Thin**17%
*“Very thin,”*
**Size-Overall**10%
*“it was far too tight I had this for a world book day outfit”*
**Material Quality**8%
*“a scrappy bit of material, roughly cut and not even belt shaped - its a hoop of very badly cut cheap fabric”*
**Value For Money**6%
*“Requested return as soon as I recieved it not worth £23 at all”*
### **Top return reasons **
**Size-Overall**51%
**Quality-Overall**8%
**Material Quality**8%
**Thin**5%
**Advertised Vs Actual Product**5%
**Chest Fit**4%
**Stitch/Finish/Polish**3%
**Color**3%
**Length**2%
**Waist Fit**1%
## **Common questions**
- **Is womens halloween outfits profitable to sell on Amazon United Kingdom?**
- The niche generates £36K/yr across 17 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -40.4%. Flapen's verdict: Skip it (31/100).
- **How competitive is the womens halloween outfits niche?**
- 12 brands and 53 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in womens halloween outfits?**
- Top complaints mined from reviews: Quality-Overall, Chest Fit, Thin. The return rate is 5.0%.
- **When does demand for womens halloween outfits peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 37.3× the quietest.
- **What does it cost to enter the womens halloween outfits niche?**
- Listings span £4.22–£31.86; the average listing price is £15.75 (sweet spot $15–$100). The average incumbent carries 980 reviews — the moat a new listing must climb.
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