halloween costumes for women
Worth a lookShows beatable incumbent ratings (4.0★), but weak search conversion (0.2%) keeps it on the watch list.
Quality gap
Great4.0★avg incumbent rating — lower means beatable quality
Review moat
Good646.15avg incumbent reviews — the moat a new listing must climb
Brand share
Good64%top-5 brand share — brands hold most of the demand
Avg price
Good£14.17avg listing price — sweet spot $15–$100
Price range
Good£4.96–£31.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good£357K£357K/yr · 14.0M searches
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.7%return rate — above 5% kills the launch gate
Growth
Okay+6.1%90-day search growth — must beat 0% to launch
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
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
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.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 255.1×
Top halloween costumes for women search terms
- costume417K/yr
- halloween costumes5.5M/yr
- fancy dress for adults women266K/yr
- halloween costumes for women334K/yr
- halloween costume521K/yr
- halloween costumes for kids792K/yr
- halloween costumes men990K/yr
- womens halloween costume172K/yr
- mens halloween costume536K/yr
- kids halloween costumes532K/yr
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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Get Trend Onesies for Adults & Teens Glow in the Dark Halloween Skeleton Costume Fleece Jumpsuit Pyjamas Gifts for Men (3XL Black)
Get Trend£17.844.2★98 rev
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£12.564.2★3,768 rev
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£9.134.4★103 rev
EYWILYWI Adult Banana Costume Hilarious Yellow Banana Jumpsuit Lightweight Comfortable Unisex Outfit for Halloween Parties Carnivals Christmas Perfect for Fun Themed Cosplay. (Yellow)
EYWILYWI£6.153.8★69 rev
RSLOVE Women Lingerie Sets Costume - Sexy Maid Outfits Sleepwear Dress for Halloween Cosplay Black Medium
RSLOVE£14.734.2★218 rev
Newest
by launch dateAUYAO 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£9.13103 rev
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£8.6243 rev
EYWILYWI Adult Banana Costume Hilarious Yellow Banana Jumpsuit Lightweight Comfortable Unisex Outfit for Halloween Parties Carnivals Christmas Perfect for Fun Themed Cosplay. (Yellow)
EYWILYWI£6.1569 rev
Get Trend Onesies for Adults & Teens Glow in the Dark Halloween Skeleton Costume Fleece Jumpsuit Pyjamas Gifts for Men (3XL Black)
Get Trend£17.8498 rev
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£5.423 rev
Trending
90-day click momentumAUYAO 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£9.134.4★
Fortunezone Princess Leia Costume Adult Halloween Cosplay White Long Dress with Belt
Fortunezone£31.454.1★
RSLOVE Women Lingerie Sets Costume - Sexy Maid Outfits Sleepwear Dress for Halloween Cosplay Black Medium
RSLOVE£14.734.2★
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£11.014.4★
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£5.423.7★
What buyers say about halloween costumes for women
What buyers praise and complain about, mined from review topics.What buyers love
“Worth a purchase”
“Great fun”
“Good quality”
“fit well”
“Ok. As you'd expect”
“Easy to use”
“was surprisingly comfortable”
“inflates really quickly”
“it seems pretty strong enough”
“Design was good as the costume was to be worn whilst playing football”
What buyers complain about
“It is what it is, cheap”
“Bad fit”
“My son ended up walking home after trick or treating with it deflated”
“The stitching on the seems had come undone on the trousers so couldn't wear them”
“Bad photo”
“can be a little weird when you put it on as it feels like you can break it”
“A bit flimsy”
“Very thin,”
“Really cheap thin papery fabric”
“Creases impossible to remove”
Top return reasons
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.