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.

womens halloween outfits

Skip it

Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Avg price

Great£15.75

avg listing price — sweet spot $15–$100

Review moat

Good979.94

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

Okay82%

top-5 brand share — brands hold most of the demand

Returns

Okay5.0%

return rate — above 5% kills the launch gate

Competition

Bad75%

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

Bad0.3%

search→purchase rate — share of searches ending in a sale

Signals Low Review Barrier Quality Gap

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

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

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.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 37.3×

Open Trend

Top womens halloween outfits search terms

womens fancy dress costumes115K/yr -30.2%0.0% conv.
fancy dress women51K/yr +40.1%0.0% conv.
costumes for women101K/yr -40.6%0.0% conv.
adult fancy dress costumes women57K/yr -69.4%0.1% conv.
womens costume56K/yr -34.8%0.0% conv.
womens fancy dress costume29K/yr -30.1%0.0% conv.
costume women46K/yr -36.4%0.0% conv.
adult costumes women29K/yr -69.2%0.1% conv.
women fancy dress costume17K/yr -42.9%0.0% conv.
womens costumes20K/yr -46.7%0.0% conv.

All 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.

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

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£8.794.0★290 rev

RSLOVE Women Lingerie Sets Costume - Sexy Maid Outfits Sleepwear Dress for Halloween Cosplay Black Medium

RSLOVE£14.734.2★218 rev

DELIMALI Womens Mermaid Ladies Ruffle Sequin Fairytale Book Fancy Long Tail Dress Womens Adults Costume Outfit (Blue Medium)

DELIMALI£14.913.2★11 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

Smiffys£12.304.2★3,768 rev

EraSpooky Greek Goddess Ladies Roman Toga Party Fancy Dress Costume White

EraSpooky£20.614.2★309 rev

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£12.188 rev

4mo ago

SEAUR Womens Faux Leather Lingerie Mini Dress PU V Neck Backless Babydoll Dress Wet Look Halloween Costumes Party Nightwear with Thongs Pink M

SEAUR£19.749 rev

10mo ago

Womens Oil Glossy Shiny Jumpsuit Metallic Stretchy Full Bodysuit Funny Sheer Nylon Cosplay Catsuit Bodysuit Romper for Ladies Party Black

SEAUR£19.0119 rev

10mo ago

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£5.9236 rev

1y ago

Fortunezone Princess Leia Costume Adult Halloween Cosplay White Long Dress with Belt

Fortunezone£31.4518 rev

1y ago

What buyers say about womens halloween outfits

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money20%

“Good value”

Advertised Vs Actual Product20%

“Perfect and as described”

Comfort-Overall15%

“comfortable”

Quality-Overall15%

“The quality of the costume itself was good though, it was soft and comfortable”

Size-Overall10%

“Comfortable fits well”

Color10%

“its a nice black colour”

Soft Feel5%

“it was soft”

What buyers complain about

Quality-Overall31%

“Poor quality”

Chest Fit17%

“Bust too small”

Thin17%

“Very thin,”

Size-Overall10%

“it was far too tight I had this for a world book day outfit”

Material Quality8%

“a scrappy bit of material, roughly cut and not even belt shaped - its a hoop of very badly cut cheap fabric”

Value For Money6%

“Requested return as soon as I recieved it not worth £23 at all”

Top return reasons

Size-Overall51%

Quality-Overall8%

Material Quality8%

Thin5%

Advertised Vs Actual Product5%

Chest Fit4%

Stitch/Finish/Polish3%

Color3%

Length2%

Waist Fit1%

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.