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52

union jack cups

Worth a look

Shows demand growing +432.4% this quarter, but a small market ($2K/yr) keeps it on the watch list.

Market size 0Growth 100Conversion 98Competition 23Returns 99Price range 0Avg price 16Brand share 24Review moat 92Quality gap 58

Growth

Incredible+432.4%

90-day search growth — must beat 0% to launch

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible17.2%

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

Review moat

Great151.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Brand share

Bad90%

top-5 brand share — brand-locked demand

Competition

Bad73%

top-5 click share — a locked-up shelf

Avg price

Bad£5.70

avg listing price — sweet spot $15–$100

Market size

Bad£2K

£2K/yr · 2K searches

Price range

Bad£3.30–£11.34

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, union jack cups is a £2K/yr Amazon United Kingdom market (2K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 52/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

union jack cups market data

Units sold / yr
250–500
avg 0–100/product
Revenue / yr
£1K–£3K
units × avg price
Conversion rate
17.2%
Avg BSR
#3,249
Page quality
0%
Prime
80%
Sponsored
80%
Out of stock
15.0%
Avg brand age
44 months
Avg seller age
210 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

17

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

10%

  • URBNLIVING31%
  • SHATCHI28%
  • CEILIWEN12%
  • YAAVAAW7%
  • Baker Ross6%
  • Toyland6%
  • Open — no brand owns it (2 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 91 weeks — +432.4% search growth over the last 90 days.
1K750Spike '24Spike '25Prime Day '25Spike '26Prime Day '26AugSepOctFebMarAprMayJunJulAugNovJanMarAprMayJun

Peak months: Apr, May · busiest ÷ quietest = 25.2×

Top union jack cups 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%10%£19820%£39630%£59440%£7921101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

Common questions

Is union jack cups profitable to sell on Amazon United Kingdom?
The niche generates £2K/yr across 10 tracked products. 90-day search growth is +432.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the union jack cups niche?
8 brands and 17 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 90% of demand.
When does demand for union jack cups peak?
Demand peaks in Apr–May; the busiest month runs 25.2× the quietest.
What does it cost to enter the union jack cups niche?
Listings span £3.30–£11.34; the average listing price is £5.70 (sweet spot $15–$100). The average incumbent carries 152 reviews — the moat a new listing must climb.