---
title: "St Patricks Day Fancy Dress — £21K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/st-patricks-day-fancy-dress"
last_updated: "2026-07-31T11:01:10.253Z"
locale: en
meta:
description: "Niche score 45/100 · £21K/yr market · 81K searches/yr · £17.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · £21K/yr market · 81K searches/yr · £17.75 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "St Patricks Day Fancy Dress — £21K/yr Amazon UK Niche (2026) - Flapen"
---
# **st patricks day fancy dress**
**Skip it**
Soft demand (-85.5% this quarter) — this niche doesn't clear our bar today.
Market size 5Growth 0Conversion 18Competition 59Returns 91Price range 59Avg price 82Brand share 45Review moat 92Quality gap 88
**Review moat**
**Great****163.19**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****£17.75**
avg listing price — sweet spot $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****£4.22–£30.70**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****78%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.4%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£21K**
£21K/yr · 81K searches
**Growth**
**Bad****-85.5%**
90-day search growth — must beat 0% to launch
**Signals**[** Out of Stock**](https://flapen.com/research/niches?market=uk&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United Kingdom niche tracking, st patricks day fancy dress is a £21K/yr Amazon United Kingdom market (81K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 45/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **st patricks day fancy dress market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£27K–£36K**
- units × avg price
- **Conversion rate**
- **1.4%**
- **Avg BSR**
- **#1,703**
- **Page quality**
- **0%**
- **Prime**
- **83%**
- **Sponsored**
- **72%**
- **Out of stock**
- **15.9%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **206 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**49**
**Top-5 brand share**
**78%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 86%
**Open market**
**16%**
- Wicked Costumes34% - Rafalacy13% - Fun Shack12% - I LOVE FANCY DRESS12% - Morph7% - YQVGFBY6% - Open — no brand owns it (12 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -85.5% search growth over the last 90 days.
30K20KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar · busiest ÷ quietest = 16.7×
[**Open Trend **](https://flapen.com/research/uk/toys-games/st-patricks-day-fancy-dress/trend)
## **Top st patricks day fancy dress search terms**
- **leprechaun costume**45K/yr-71.9%2.0% conv. - **irish costume**7K/yr-63.5%0.6% conv. - **st patricks day dress**5K/yr-96.4%0.0% conv. - **st patricks day outfits women**18K/yr-99.5%1.2% conv. - **paddys day fancy dress**6K/yr-99.6%0.0% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/st-patricks-day-fancy-dress/search-terms)
## **Top st patricks day fancy dress 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%3%£6176%£1K9%£2K12%£2K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Wicked Costumes Adult Deluxe Leprechaun Fancy Dress Costume Irish St Patricks Day Outfit Green Suit Hat -Medium**Wicked Costumes**£19.04**4.4★632 rev](https://www.amazon.co.uk/dp/B00NFJHBZ0) [2**Wicked Costumes Mens Irish Shamrock Jacket & Tie Fancy Dress Set - Large**Wicked Costumes**£11.25**4.1★94 rev](https://www.amazon.co.uk/dp/B0794YXQ3L) [3**Rafalacy Inflatable St. Patricks Day Costume for Adult Blow up Leprechaun Costume Funny Party Leprechaun Celebration Costume Suit (Green)**Rafalacy**£17.22**4.0★34 rev](https://www.amazon.co.uk/dp/B0DRCKB4BB) [4**Fun Shack Leprechaun Costume For Men Green Irish Tailcoat With Hat And Beard Mens St Patricks Day Outfit Large**Fun Shack**£29.06**3.8★86 rev](https://www.amazon.co.uk/dp/B00IASJST8) [5**Morph Leprechaun Costume Adult Carry Me Piggyback Costume Funny St. Patricks Day Outfit for Men One Size**Morph**£27.34**4.1★389 rev](https://www.amazon.co.uk/dp/B01JPOQP96)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**EDLMKM 4 Pcs St Patricks Day Costume Accessories Set for Women St Patricks DayShamrock Clover Costumee Saint Patricks Day Fancy Dress Outfit for Party Parade Leprechaun Costume for Women**Generic**£8.03**3 rev6mo ago](https://www.amazon.co.uk/dp/B0GGQ6SCKC) [**GWAWG Leprechaun Top Hat with Ginger Beard 6PCS St Patricks Day Hat with Bow Tie Necktie Clover Glasses & Necklace St Patricks Day Accessories Funny Irish Hat Costume Dress Up Gifts for Adults**GWAWG**£7.53**0 rev6mo ago](https://www.amazon.co.uk/dp/B0GGHBRVP1) [**Rafalacy Inflatable St. Patricks Day Costume for Adult Blow up Leprechaun Costume Funny Party Leprechaun Celebration Costume Suit (Green-2)**Rafalacy**£18.76**34 rev6mo ago](https://www.amazon.co.uk/dp/B0GF63X5Q1) [**YQVGFBY Mens Gothic Steampunk Tailcoat Men Medieval Victorian Vintage Jacket Uniform Long Tuxedo Renaissance Pirate Vampire Party Cosplay Costumes for Adults Men (Green 4XL)**YQVGFBY**£18.09**8 rev9mo ago](https://www.amazon.co.uk/dp/B0FY2J7F93) [**YQVGFBY Mens Gothic Steampunk Tailcoat Men Medieval Victorian Vintage Jacket Uniform Long Tuxedo Renaissance Pirate Vampire Party Cosplay Costumes for Adults Men (Green 3XL)**YQVGFBY**£22.94**8 rev9mo ago](https://www.amazon.co.uk/dp/B0FY2GNMKW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**YQVGFBY Mens Gothic Steampunk Tailcoat Men Medieval Victorian Vintage Jacket Uniform Long Tuxedo Renaissance Pirate Vampire Party Cosplay Costumes for Adults Men (Green 4XL)**YQVGFBY**£18.09**4.2★**▲ 500%**](https://www.amazon.co.uk/dp/B0FY2J7F93) [**YQVGFBY Mens Gothic Steampunk Tailcoat Men Medieval Victorian Vintage Jacket Uniform Long Tuxedo Renaissance Pirate Vampire Party Cosplay Costumes for Adults Men (Green 3XL)**YQVGFBY**£22.94**4.2★**▲ 482%**](https://www.amazon.co.uk/dp/B0FY2GNMKW) [**Mens Steampunk Vintage Tailcoat Jacket Gothic Tailcoat Coat Carnival Costumes Medieval Clothing Men Halloween Costume Men (Green XXL)**YQVGFBY**£28.66**4.1★**▲ 441%**](https://www.amazon.co.uk/dp/B0F9F2CC5R) [**GWAWG Leprechaun Top Hat with Ginger Beard 6PCS St Patricks Day Hat with Bow Tie Necktie Clover Glasses & Necklace St Patricks Day Accessories Funny Irish Hat Costume Dress Up Gifts for Adults**GWAWG**£7.53**0.0★**▲ 348%**](https://www.amazon.co.uk/dp/B0GGHBRVP1) [**DWTECH 4 Pack St. Patrick Costume Set Include Leprechaun Hat with Beard Green Large Bow Tie and Lucky Neck Tie for Party Costume Irish Festival Accessory**DWTECH**£10.94**4.0★**▲ 180%**](https://www.amazon.co.uk/dp/B09NRJS13T)
**~~View all trending →~~**
## **What buyers say about st patricks day fancy dress**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“fab beard well made well with the cost bought 2”*
**Value For Money**16%
*“Brilliant inexpensive piece of costume”*
**Size-Overall**11%
*“The one size fits most claim held for our group”*
**Comfort-Overall**9%
*“Comfortable”*
**Inflation/Deflation**7%
*“Easy to inflate”*
**Advertised Vs Actual Product**6%
*“Better than I thought it would be”*
**Fun/Entertainment Experience**6%
*“I got so many laughs”*
**Suitability Beginner**4%
*“Its great for a stag do”*
**Ease Of Use**3%
*“Easy to inflate”*
**Color**3%
*“The colours are vibrant”*
### **What buyers complain about **
**Quality-Overall**31%
*“Cheap and nasty”*
**Comfort-Overall**9%
*“not great for comfort”*
**Moist/Dry**9%
*“Covered in dry blood”*
**Material Quality**6%
*“the material its made from is a little iffy”*
**Size-Overall**5%
*“its too small”*
**Stretchability/Expandability/Elasticity**3%
*“One of the elastic straps on the beard came off the first time I tried to put it on”*
**Strap/String Quality**3%
*“One of the elastic straps on the beard came off the first time I tried to put it on”*
**Value For Money**3%
*“still a bit expensive for what it is”*
**Noise Level**2%
*“The fan makes a low humming noise in the background”*
**Brightness/Shine/Glow**1%
*“It had problems with visibility as it was dark”*
### **Top return reasons **
**Size-Overall**65%
**Advertised Vs Actual Product**9%
**Quality-Overall**8%
**Material Quality**4%
**Add-Ons/Attachments**3%
**Functionality-Overall**3%
**Product Condition**2%
**Inflation/Deflation**2%
**Design-Overall**1%
**Noise Level**1%
## **Common questions**
- **Is st patricks day fancy dress profitable to sell on Amazon United Kingdom?**
- The niche generates £21K/yr across 36 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -85.5%. Flapen's verdict: Skip it (45/100).
- **How competitive is the st patricks day fancy dress niche?**
- 18 brands and 49 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 78% of demand.
- **What do buyers complain about in st patricks day fancy dress?**
- Top complaints mined from reviews: Quality-Overall, Comfort-Overall, Moist/Dry. The return rate is 1.2%.
- **When does demand for st patricks day fancy dress peak?**
- Demand peaks in Feb–Mar; the busiest month runs 16.7× the quietest.
- **What does it cost to enter the st patricks day fancy dress niche?**
- Listings span £4.22–£30.70; the average listing price is £17.75 (sweet spot $15–$100). The average incumbent carries 163 reviews — the moat a new listing must climb.
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