girls halloween costume 11-12
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good£14.67avg listing price — sweet spot $15–$100
Review moat
Good955.67avg incumbent reviews — the moat a new listing must climb
Growth
Good+32.3%90-day search growth — must beat 0% to launch
Price range
Okay£11.07–£16.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Bad10.0%return rate — above 5% kills the launch gate
Market size
Bad£0£0/yr · 238K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, girls halloween costume 11-12 is a £0/yr Amazon United Kingdom market (238K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 25/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
girls halloween costume 11-12 market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- £18K–£22K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #1,194
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 33%
- Out of stock
- 20.1%
- Avg brand age
- 36 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 rising
Sellers
8
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- amscan65%
- Berich35%
Demand
Weekly Amazon search volume, last 57 weeks — +32.3% search growth over the last 90 days.Top girls halloween costume 11-12 search terms
- girls halloween costume 4-520K/yr
- halloween costumes for girls 12-1311K/yr
- halloween costumes teen girls17K/yr
- halloween costumes for teen girls6K/yr
- teen girls halloween costume7K/yr
- halloween costume teen girl6K/yr
- girls halloween costume 5-630K/yr
- teen girl halloween costumes12K/yr
- girls halloween costume 8-96K/yr
- halloween costumes for girls 13-147K/yr
Top girls halloween costume 11-12 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 3 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Berich Girls Polka Dot Dress Princess Costumes for Girls 4-5 Years Rose 120
Berich£11.074.2★71 rev

amscan 9905066 Childs Iridescent Spider Web Girl Fancy Dress Halloween Costume Age 4-6 Years
amscan£16.974.3★1,712 rev

Amscan 9904756 - Teen Girls Halloween Dark Doll Fancy Dress Costume Age: 12-14 Yrs
amscan£15.974.4★1,084 rev
Newest
by launch date
Berich Girls Polka Dot Dress Princess Costumes for Girls 4-5 Years Rose 120
Berich£11.0771 rev

amscan 9905066 Childs Iridescent Spider Web Girl Fancy Dress Halloween Costume Age 4-6 Years
amscan£16.971,712 rev

Amscan 9904756 - Teen Girls Halloween Dark Doll Fancy Dress Costume Age: 12-14 Yrs
amscan£15.971,084 rev
Trending
90-day click momentum
Berich Girls Polka Dot Dress Princess Costumes for Girls 4-5 Years Rose 120
Berich£11.074.2★

Amscan 9904756 - Teen Girls Halloween Dark Doll Fancy Dress Costume Age: 12-14 Yrs
amscan£15.974.4★

amscan 9905066 Childs Iridescent Spider Web Girl Fancy Dress Halloween Costume Age 4-6 Years
amscan£16.974.3★
What buyers say about girls halloween costume 11-12
What buyers praise and complain about, mined from review topics.Top return reasons
Common questions
- Is girls halloween costume 11-12 profitable to sell on Amazon United Kingdom?
- The niche generates £0/yr across 3 tracked products. 90-day search growth is +32.3%. Flapen's verdict: Skip it (25/100).
- How competitive is the girls halloween costume 11-12 niche?
- 2 brands and 8 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What does it cost to enter the girls halloween costume 11-12 niche?
- Listings span £11.07–£16.97; the average listing price is £14.67 (sweet spot $15–$100). The average incumbent carries 956 reviews — the moat a new listing must climb.