---
title: "Halloween Costumes for Women — £357K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/halloween-costumes-for-women"
last_updated: "2026-07-31T13:29:17.135Z"
locale: en
meta:
description: "Niche score 50/100 · £357K/yr market · 14.0M searches/yr · £14.17 avg price. Weak search conversion (0.2%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · £357K/yr market · 14.0M searches/yr · £14.17 avg price. Weak search conversion (0.2%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Halloween Costumes for Women — £357K/yr Amazon UK Niche (2026) - Flapen"
---
# **halloween costumes for women**
**Worth a look**
Shows beatable incumbent ratings (4.0★), but weak search conversion (0.2%) keeps it on the watch list.
Market size 54Growth 33Conversion 2Competition 45Returns 41Price range 62Avg price 68Brand share 68Review moat 71Quality gap 92
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****646.15**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Good****£14.17**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£4.96–£31.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****£357K**
£357K/yr · 14.0M searches
**Competition**
**Okay****58%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+6.1%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.2%**
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")
According to Flapen's Amazon United Kingdom niche tracking, halloween costumes for women is a £357K/yr Amazon United Kingdom market (14.0M searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Worth a look — 50/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **halloween costumes for women market data**
- **Units sold / yr**
- **50K–60K**
- avg 100–250/product
- **Revenue / yr**
- **£709K–£850K**
- units × avg price
- **Conversion rate**
- **0.2%**
- **Avg BSR**
- **#570**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **18.2%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **185 days**
## **Competition & brand share**
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**48**
**Top-5 brand share**
**64%**
Top 20: 100%
**Top-5 click share**
**58%**
Top 20: 100%
**Open market**
**32%**
- Get Trend32% - Smiffys16% - AUYAO7% - EYWILYWI5% - RSLOVE5% - DELIMALI4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.1% search growth over the last 90 days.
4.0M3.0MSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 255.1×
[**Open Trend **](https://flapen.com/research/uk/fashion/halloween-costumes-for-women/trend)
## **Top halloween costumes for women search terms**
- **costume**417K/yr-30.0%0.1% conv. - **halloween costumes**5.5M/yr+58.6%0.0% conv. - **fancy dress for adults women**266K/yr-11.0%0.0% conv. - **halloween costumes for women**334K/yr+109.2%0.0% conv. - **halloween costume**521K/yr+77.7%0.0% conv. - **halloween costumes for kids**792K/yr+51.8%0.0% conv. - **halloween costumes men**990K/yr+89.6%0.0% conv. - **womens halloween costume**172K/yr+128.1%0.0% conv. - **mens halloween costume**536K/yr+77.6%0.0% conv. - **kids halloween costumes**532K/yr+83.3%0.0% conv. [**All search terms **](https://flapen.com/research/uk/fashion/halloween-costumes-for-women/search-terms)
## **Top halloween costumes for women 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%£36K20%£71K30%£107K40%£143K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Get Trend Onesies for Adults & Teens Glow in the Dark Halloween Skeleton Costume Fleece Jumpsuit Pyjamas Gifts for Men (3XL Black)**Get Trend**£17.84**4.2★98 rev](https://www.amazon.co.uk/dp/B0F67PY5D5) [2**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 S**Smiffys**£12.56**4.2★3,768 rev](https://www.amazon.co.uk/dp/B0060KENS4) [3**AUYAO Graduation Gown and Cap for Adults Hat Matte Bachelor University Party Robe Stole Outfit Set Women Men Graduation Costume Outfit Set for University Bachelor High School Ceremony(XL)**AUYAO**£9.13**4.4★103 rev](https://www.amazon.co.uk/dp/B0GMQ357PK) [4**EYWILYWI Adult Banana Costume Hilarious Yellow Banana Jumpsuit Lightweight Comfortable Unisex Outfit for Halloween Parties Carnivals Christmas Perfect for Fun Themed Cosplay. (Yellow)**EYWILYWI**£6.15**3.8★69 rev](https://www.amazon.co.uk/dp/B0FMN3KBN9) [5**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)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AUYAO Graduation Gown and Cap for Adults Hat Matte Bachelor University Party Robe Stole Outfit Set Women Men Graduation Costume Outfit Set for University Bachelor High School Ceremony(XL)**AUYAO**£9.13**103 rev5mo ago](https://www.amazon.co.uk/dp/B0GMQ357PK) [**Moonlight Fright 4pc Butcher Halloween Costume Men with Apron Fake Knife Prop Fake Axe Headband Wound Temporary Tattoos - Butcher Halloween Costumes Men Serial Killer Fancy Dress Adult**Moonlight Fright**£8.62**43 rev1y ago](https://www.amazon.co.uk/dp/B0FFMPG2HP) [**EYWILYWI Adult Banana Costume Hilarious Yellow Banana Jumpsuit Lightweight Comfortable Unisex Outfit for Halloween Parties Carnivals Christmas Perfect for Fun Themed Cosplay. (Yellow)**EYWILYWI**£6.15**69 rev1y ago](https://www.amazon.co.uk/dp/B0FMN3KBN9) [**Get Trend Onesies for Adults & Teens Glow in the Dark Halloween Skeleton Costume Fleece Jumpsuit Pyjamas Gifts for Men (3XL Black)**Get Trend**£17.84**98 rev1y ago](https://www.amazon.co.uk/dp/B0F67PY5D5) [**ROSVAJFY Mens Mankini Sexy Stretchy Suspender Bodysuit Comedy Swimsuit Thong Underwear Wrestling Singlet Funny Gag Gift Breathable Fancy Dress Costume for Halloween Party (Black One Size)**ROSVAJFY**£5.42**3 rev1y ago](https://www.amazon.co.uk/dp/B0F18MGG4L)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**AUYAO Graduation Gown and Cap for Adults Hat Matte Bachelor University Party Robe Stole Outfit Set Women Men Graduation Costume Outfit Set for University Bachelor High School Ceremony(XL)**AUYAO**£9.13**4.4★**▲ 358%**](https://www.amazon.co.uk/dp/B0GMQ357PK) [**Fortunezone Princess Leia Costume Adult Halloween Cosplay White Long Dress with Belt**Fortunezone**£31.45**4.1★**▲ 347%**](https://www.amazon.co.uk/dp/B0DX21QLLZ) [**RSLOVE Women Lingerie Sets Costume - Sexy Maid Outfits Sleepwear Dress for Halloween Cosplay Black Medium**RSLOVE**£14.73**4.2★**▲ 304%**](https://www.amazon.co.uk/dp/B0DH268DNS) [**Aomig 80s Height of Fashion Shell Suit Costume 80s Fancy Dress Men Women with Headband Wristbands 1980s Disco Fancy Dress 80s 90s Outfits Fashion Retro Tracksuit for Halloween Carnival Party**Aomig**£11.01**4.4★**▲ 297%**](https://www.amazon.co.uk/dp/B0CQYLWKLW) [**ROSVAJFY Mens Mankini Sexy Stretchy Suspender Bodysuit Comedy Swimsuit Thong Underwear Wrestling Singlet Funny Gag Gift Breathable Fancy Dress Costume for Halloween Party (Black One Size)**ROSVAJFY**£5.42**3.7★**▲ 276%**](https://www.amazon.co.uk/dp/B0F18MGG4L)
**~~View all trending →~~**
## **What buyers say about halloween costumes for women**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**29%
*“Worth a purchase”*
**Fun/Entertainment Experience**18%
*“Great fun”*
**Quality-Overall**14%
*“Good quality”*
**Size-Overall**13%
*“fit well”*
**Advertised Vs Actual Product**10%
*“Ok. As you'd expect”*
**Ease Of Use**3%
*“Easy to use”*
**Comfort-Overall**2%
*“was surprisingly comfortable”*
**Inflation/Deflation**2%
*“inflates really quickly”*
**Strength**2%
*“it seems pretty strong enough”*
**Design-Overall**2%
*“Design was good as the costume was to be worn whilst playing football”*
### **What buyers complain about **
**Quality-Overall**18%
*“It is what it is, cheap”*
**Size-Overall**15%
*“Bad fit”*
**Inflation/Deflation**8%
*“My son ended up walking home after trick or treating with it deflated”*
**Stitch/Finish/Polish**8%
*“The stitching on the seems had come undone on the trousers so couldn't wear them”*
**Advertised Vs Actual Product**8%
*“Bad photo”*
**Durability**6%
*“can be a little weird when you put it on as it feels like you can break it”*
**Strength**5%
*“A bit flimsy”*
**Thin**5%
*“Very thin,”*
**Material Quality**4%
*“Really cheap thin papery fabric”*
**Wrinkles**3%
*“Creases impossible to remove”*
### **Top return reasons **
**Size-Overall**59%
**Quality-Overall**12%
**Material Quality**4%
**Advertised Vs Actual Product**4%
**Thin**4%
**Inflation/Deflation**3%
**Functionality-Overall**3%
**Stitch/Finish/Polish**2%
**Durability**2%
**Strength**1%
## **Common questions**
- **Is halloween costumes for women profitable to sell on Amazon United Kingdom?**
- The niche generates £357K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +6.1%. Flapen's verdict: Worth a look (50/100).
- **How competitive is the halloween costumes for women niche?**
- 18 brands and 48 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in halloween costumes for women?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Inflation/Deflation. The return rate is 3.7%.
- **When does demand for halloween costumes for women peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 255.1× the quietest.
- **What does it cost to enter the halloween costumes for women niche?**
- Listings span £4.96–£31.45; the average listing price is £14.17 (sweet spot $15–$100). The average incumbent carries 646 reviews — the moat a new listing must climb.
## **Related niches in Fashion**
- 69 [**mens boxers**](https://flapen.com/research/uk/fashion/mens-boxers)£2.8M/yr+21.3%**Launch it**- 70 [**sporran**](https://flapen.com/research/uk/fashion/sporran)£67K/yr+166.3%**Worth a look**- 70 [**racer back bra clip**](https://flapen.com/research/uk/fashion/racer-back-bra-clip)£52K/yr+181.5%**Worth a look**- 70 [**aviator sunglasses**](https://flapen.com/research/uk/fashion/aviator-sunglasses)£195K/yr+100.7%**Worth a look**- 70 [**gifts for colleagues**](https://flapen.com/research/uk/fashion/gifts-for-colleagues)£117K/yr+114.0%**Worth a look**- 70 [**mens shorts**](https://flapen.com/research/uk/fashion/mens-shorts)£679K/yr+220.7%**Worth a look**[**All Fashion niches **](https://flapen.com/research/uk/fashion)