---
title: "Uncle Fester Costume Adult — £0/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/uncle-fester-costume-adult"
last_updated: "2026-07-31T15:22:40.051Z"
locale: en
meta:
description: "Niche score 30/100 · £0/yr market · 61K searches/yr · £18.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · £0/yr market · 61K searches/yr · £18.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Uncle Fester Costume Adult — £0/yr Amazon UK Niche (2026) - Flapen"
---
# **uncle fester costume adult**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 19Conversion 0Competition 9Returns 22Price range 86Avg price 83Brand share 14Review moat 99Quality gap 91
**Review moat**
**Incredible****29.88**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****£13.67–£26.08**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****£18.11**
avg listing price — sweet spot $15–$100
**Returns**
**Bad****5.9%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-11.9%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£0**
£0/yr · 61K searches
**Conversion**
**Bad****0.0%**
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") [** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, uncle fester costume adult is a £0/yr Amazon United Kingdom market (61K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 30/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **uncle fester costume adult market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **£18K–£23K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#4,302**
- **Page quality**
- **0%**
- **Prime**
- **63%**
- **Sponsored**
- **63%**
- **Out of stock**
- **23.9%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **224 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**7**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- LIUWAZJ51% - Kavoc16% - MJPARTY11% - The Dragons Den9% - LOVETRENDS7% - AENEY6%
## **Demand & seasonality**
Weekly Amazon search volume, last 92 weeks — -11.9% search growth over the last 90 days.
15K10KSpike '25Prime Day '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 95.6×
[**Open Trend **](https://flapen.com/research/uk/toys-games/uncle-fester-costume-adult/trend)
## **Top uncle fester costume adult search terms**
- **uncle fester costume adult**42K/yr-20.2%1.0% conv. - **uncle fester costume**8K/yr+44.6%0.7% conv. - **uncle fester**6K/yr-17.1%0.5% conv. - **addams family uncle fester**5K/yr-23.9%0.0% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/uncle-fester-costume-adult/search-terms)
## **Top uncle fester costume adult 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%15%£030%£045%£060%£01101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**LIUWAZJ Black Hooded Robe with White Rope Belt Adult Old Time Creepy Festering Uncle Costume Halloween The Addams Family Fancy Dress Friar Tuck Outfit Stag Night Religious Outfit (M)**LIUWAZJ**£14.98**5.0★7 rev](https://www.amazon.co.uk/dp/B0DGT1WH9B) [2**Kavoc 4Pcs Halloween Costume Accessories Set Including Bald Cap Priest Robe White Rope for Priest Cosplay Supplies (XL)**Kavoc**£14.27**3.7★6 rev](https://www.amazon.co.uk/dp/B0F9P9CGTM) [3**MJPARTY Adult Halloween Creepy Uncle Family Fancy Dress Costume Mens Outfit Black (Medium)**MJPARTY**£13.67**4.2★7 rev](https://www.amazon.co.uk/dp/B0DDL59GQJ) [4![The Dragons Den Adults Old Time Creepy Festering Uncle Halloween Fancy Dress Costume [XXL]](https://m.media-amazon.com/images/I/31ZefKKgeJL.jpg)**The Dragons Den Adults Old Time Creepy Festering Uncle Halloween Fancy Dress Costume \[XXL\]**The Dragons Den**£26.08**3.8★131 rev](https://www.amazon.co.uk/dp/B01A70L240) [5**AENEY 2PCS Adult Men Uncle Freak Costume with Gothic Cosplay Mask Black Robe Uncle Outfit for Halloween Party Dress Up (2XL-3XL)**AENEY**£23.72**4.0★24 rev](https://www.amazon.co.uk/dp/B0FQHTJQD3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**LOVETRENDS Gothic Uncle Halloween Costume for Adults Includes Black Duster Jacket Hand Prop Bald Cap Face Paint & Black Trilby Hat Spooky Horror Family Fancy Dress Outfit**LOVETRENDS**£22.96**5 rev10mo ago](https://www.amazon.co.uk/dp/B0FSF7Q4LP) [**AENEY 2PCS Adult Men Uncle Freak Costume with Gothic Cosplay Mask Black Robe Uncle Outfit for Halloween Party Dress Up (2XL-3XL)**AENEY**£23.72**24 rev10mo ago](https://www.amazon.co.uk/dp/B0FQHTJQD3) [**Kavoc 4Pcs Halloween Costume Accessories Set Including Bald Cap Priest Robe White Rope for Priest Cosplay Supplies (XL)**Kavoc**£14.27**6 rev1y ago](https://www.amazon.co.uk/dp/B0F9P9CGTM) [**Kavoc 4Pcs Halloween Costume Accessories Set Including Bald Cap Priest Robe White Rope for Priest Cosplay Supplies (L)**Kavoc**£13.85**6 rev1y ago](https://www.amazon.co.uk/dp/B0F9P894DP) [**LOVETRENDS Mens Halloween Costume - XXX-Large - Black Robe Nude Bald Cap and Facepaint - Mens Trick or Treat Halloween Fancy Dress Costume**LOVETRENDS**£15.35**53 rev1y ago](https://www.amazon.co.uk/dp/B0DJP2FJHX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LIUWAZJ Black Hooded Robe with White Rope Belt Adult Old Time Creepy Festering Uncle Costume Halloween The Addams Family Fancy Dress Friar Tuck Outfit Stag Night Religious Outfit (M)**LIUWAZJ**£14.98**5.0★**▲ 502%**](https://www.amazon.co.uk/dp/B0DGT1WH9B) [**MJPARTY Adult Halloween Creepy Uncle Family Fancy Dress Costume Mens Outfit Black (Medium)**MJPARTY**£13.67**4.2★**▲ 181%**](https://www.amazon.co.uk/dp/B0DDL59GQJ) [**AENEY 2PCS Adult Men Uncle Freak Costume with Gothic Cosplay Mask Black Robe Uncle Outfit for Halloween Party Dress Up (2XL-3XL)**AENEY**£23.72**4.0★**▲ 17%**](https://www.amazon.co.uk/dp/B0FQHTJQD3) [**Kavoc 4Pcs Halloween Costume Accessories Set Including Bald Cap Priest Robe White Rope for Priest Cosplay Supplies (XL)**Kavoc**£14.27**3.7★**— 5%**](https://www.amazon.co.uk/dp/B0F9P9CGTM) [**LOVETRENDS Gothic Uncle Halloween Costume for Adults Includes Black Duster Jacket Hand Prop Bald Cap Face Paint & Black Trilby Hat Spooky Horror Family Fancy Dress Outfit**LOVETRENDS**£22.96**3.9★**▼ 17%**](https://www.amazon.co.uk/dp/B0FSF7Q4LP)
**~~View all trending →~~**
## **What buyers say about uncle fester costume adult**
What buyers praise and complain about, mined from review topics.
### **Top return reasons **
**Size-Overall**89%
**Stitch/Finish/Polish**11%
## **Common questions**
- **Is uncle fester costume adult profitable to sell on Amazon United Kingdom?**
- The niche generates £0/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -11.9%. Flapen's verdict: Skip it (30/100).
- **How competitive is the uncle fester costume adult niche?**
- 6 brands and 7 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 94% of demand.
- **When does demand for uncle fester costume adult peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 95.6× the quietest.
- **What does it cost to enter the uncle fester costume adult niche?**
- Listings span £13.67–£26.08; the average listing price is £18.11 (sweet spot $15–$100). The average incumbent carries 30 reviews — the moat a new listing must climb.
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