1920s mens costume
Skip itA small market ($40K/yr) — this niche doesn't clear our bar today.
Review moat
Great173.39avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Great£18.83avg listing price — sweet spot $15–$100
Competition
Great39%top-5 click share — an open shelf
Brand share
Good62%top-5 brand share — brands hold most of the demand
Price range
Good£3.87–£134.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.7%return rate — above 5% kills the launch gate
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-27.4%90-day search growth — must beat 0% to launch
Market size
Bad£40K£40K/yr · 116K searches
According to Flapen's Amazon United Kingdom niche tracking, 1920s mens costume is a £40K/yr Amazon United Kingdom market (116K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 49/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
1920s mens costume market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- £47K–£56K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #815
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 75%
- Out of stock
- 10.9%
- Avg brand age
- 40 months
- Avg seller age
- 195 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
28 flat
Sellers
48
Top-5 brand share
62%
Top 20: 94%
Top-5 click share
39%
Top 20: 73%
Open market
33%
- Morph24%
- Glirop13%
- Dazzroi12%
- Grantop10%
- Barry.Wang4%
- Kyndara4%
Demand & seasonality
Weekly Amazon search volume, last 86 weeks — -27.4% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.8×
Top 1920s mens costume search terms
- 1920s accessories for men31K/yr
- 1920s mens fancy dress18K/yr
- gangster costume28K/yr
- great gatsby costume men19K/yr
- gatsby accessories men10K/yr
- 1920s mens costume7K/yr
- gangster fancy dress3K/yr
Top 1920s mens costume 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Morph Mens Gangster Costume Mobster Suit Mafia Boss Outfit 1920s Pinstripe Suit for Halloween Parties X-Large Black
Morph£25.304.0★227 rev
Morph Mens Gangster Costume Mobster Suit Mafia Boss Outfit 1920s Pinstripe Suit for Halloween Parties Large
Morph£26.324.0★227 rev
Grantop 1920s Gatsby Costume for Men 1920s Men Fancy Dress Accessories Set Retro Gangster Costume Kit with Panama Hat Elastic Suspenders Mustache Pocket Watch Cigar (Style-1)
Grantop£9.674.4★169 rev
Glirop 13Pcs 1920s Gatsby Costume Set for Men Gentleman Roaring 20s Accessories Kit with Hat Suspenders Pocket Watch Bow Tie Beards Cuffs Tie for Adult Halloween Theme Parties Fancy Dress (Blue)
Glirop£10.593.7★33 rev
1920s Mens Costume Accessories Set Vintage Gentleman Gatsby Gangster Fancy Dress with Adjustable Metal Folding Cane Pocket Watch Pre-tied Bow Tie Glasses Suspender for Roaring 20s Themed Party
Glirop£14.503.8★32 rev
Newest
by launch date
Fictoria Mens 1920s Gangster Costume Accessories Set 15 Pcs Gatsby Fancy Dress Kit with Fedora Hat Bow Tie Suspenders Pocket Watch Stick On Mustaches Roaring 20s Party Outfit for Adults
Fictoria£11.531 rev
Soireeparty 1920s Fancy Dress Accessories Set - Blue Gangster Hat Kit with Suspenders Bow Tie Glasses Armbands and Moustaches Vintage Costume Outfit for Men Cosplay Theme Party Halloween Carnival
Soireeparty£8.493 rev
Dazzroi 1920s Mens Costume Roaring 20s Great Gastby Gangster Outfit with Vest Fedora Hat Pocket Watch Tie for Party Supplies
Dazzroi£22.4916 rev
Dazzroi 1920s Mens Costume Roaring 20s Great Gastby Gangster Outfit with Vest Fedora Hat Pocket Watch Tie for Party Supplies
Dazzroi£23.0116 rev
Dazzroi 1920s Mens Costume Roaring 20s Great Gastby Gangster Outfit with Vest Fedora Hat Pocket Watch Tie for Party Supplies
Dazzroi£22.8616 rev
Trending
90-day click momentumFictoria Mens 1920s Gangster Costume Accessories Set 15 Pcs Gatsby Fancy Dress Kit with Fedora Hat Bow Tie Suspenders Pocket Watch Stick On Mustaches Roaring 20s Party Outfit for Adults
Fictoria£11.534.0★
Morph Mens Gangster Costume Mobster Suit Mafia Boss Outfit 1920s Pinstripe Suit for Halloween Parties X-Large Black
Morph£25.304.0★
Morph Mens Gangster Costume Mobster Suit Mafia Boss Outfit 1920s Pinstripe Suit for Halloween Parties Medium Black
Morph£27.024.0★
AUYAO Mens Black Waistcoat Mens Suit Vest Wedding Party Fit Vest Suit 1920s Mens Costume Mens Suits & Blazers Mens Fancy Dress Costume Mens V-Neck Suit Vest Button-up for Waiters Bar Staff(M)
AUYAO£9.973.9★
Dazzroi 1920s Mens Costume Roaring 20s Great Gastby Gangster Outfit with Vest Fedora Hat Pocket Watch Tie for Party Supplies
Dazzroi£22.864.6★
What buyers say about 1920s mens costume
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Worth the money”
“Good fit”
“Good selection of items”
“Comfort”
“Everything is advertised”
“Nice colours”
“Nice style”
“Nice design”
“stretchiness are perfect”
What buyers complain about
“too small”
“Poor quality”
“This was a bit of a compromise as I was looking for something a little more subtle in colour”
“But caution as the sizes don't cater for the more portly guy”
“This product although has a lot of pieces isnt value for money”
“ripped on putting it on so is absolutely no use”
“Not as advertised”
“Bit flimsy and cheap looking”
“To big on the shoulders”
“Suit is thin material so will have to wear something under”
Top return reasons
Common questions
- Is 1920s mens costume profitable to sell on Amazon United Kingdom?
- The niche generates £40K/yr across 51 tracked products. 0 of 19 products launched in the last 360 days are still selling. 90-day search growth is -27.4%. Flapen's verdict: Skip it (49/100).
- How competitive is the 1920s mens costume niche?
- 28 brands and 48 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in 1920s mens costume?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 3.7%.
- When does demand for 1920s mens costume peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 3.8× the quietest.
- What does it cost to enter the 1920s mens costume niche?
- Listings span £3.87–£134.97; the average listing price is £18.83 (sweet spot $15–$100). The average incumbent carries 173 reviews — the moat a new listing must climb.