Is union jack t shirt profitable to sell on Amazon United Kingdom?

The niche generates £33K/yr across 79 tracked products. 0 of 15 products launched in the last 360 days are still selling. 90-day search growth is +162.9%. Flapen's verdict: Worth a look (62/100).

How competitive is the union jack t shirt niche?

29 brands and 39 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in union jack t shirt?

Top complaints mined from reviews: Quality-Overall, Material Quality, Thickness. The return rate is 2.7%.

When does demand for union jack t shirt peak?

Demand peaks in May–Jul–Aug–Sep; the busiest month runs 17.0× the quietest.

What does it cost to enter the union jack t shirt niche?

Listings span £4.72–£29.97; the average listing price is £10.90 (sweet spot $15–$100). The average incumbent carries 191 reviews — the moat a new listing must climb.

union jack t shirt

Worth a look

Shows demand growing +162.9% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+162.9%

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

Review moat

Great190.84

avg incumbent reviews — the moat a new listing must climb

Competition

Great28%

top-5 click share — an open shelf

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Great60%

top-5 brand share — no brand owns this niche

Price range

Good£4.72–£29.97

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

Returns

Good2.7%

return rate — above 5% kills the launch gate

Avg price

Okay£10.90

avg listing price — sweet spot $15–$100

Conversion

Bad1.9%

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

Market size

Bad£33K

£33K/yr · 155K searches

According to Flapen's Amazon United Kingdom niche tracking, union jack t shirt is a £33K/yr Amazon United Kingdom market (155K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in May–Jul–Aug–Sep. Verdict: Worth a look — 62/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

union jack t shirt market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: £16K–£22K; units × avg price
Conversion rate: 1.9%
Avg BSR: #4,898
Page quality: 0%
Prime: 84%
Sponsored: 81%
Out of stock: 3.5%
Avg brand age: 39 months
Avg seller age: 179 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

29 falling

Sellers

Top-5 brand share

60%

Top 20: 94%

Top-5 click share

28%

Top 20: 55%

Open market

34%

SUWATOIN18%
SPIRIT OF ESSEX15%
Qskall13%
Generic7%
A2Z 4 Kids6%
Sign Print Lab6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +162.9% search growth over the last 90 days.

Peak months: May, Jul, Aug, Sep · busiest ÷ quietest = 17.0×

Open Trend

Top union jack t shirt search terms

union jack t shirt75K/yr +245.9%0.9% conv.
union jack shirt15K/yr +103.8%0.5% conv.
union jack top8K/yr +84.1%0.6% conv.
union jack t shirt women9K/yr +304.1%0.7% conv.
union jack clothes7K/yr +138.5%0.3% conv.
union jack clothing8K/yr +33.4%0.5% conv.
union jack t-shirt7K/yr +123.6%1.2% conv.
union jack tops for women4K/yr +156.9%0.1% conv.
union jack tshirt5K/yr +89.3%1.8% conv.
union jack t shirt kids2K/yr +287.6%0.5% conv.

All search terms

Top union jack t shirt 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products 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

SPIRIT OF ESSEX Union Jack t Shirt for Men and Kids 100% Cotton Crewneck Short Sleeve (as8 Alpha l Regular Regular) White

SPIRIT OF ESSEX£10.054.3★97 rev

SUWATOIN Womens London England Shirt Union Jack Flag Souvenir Printed T-Shirt Tops White

SUWATOIN£12.134.4★35 rev

Mens Union Jack Shirt Great Britain Bunting Flags Print T Shirts (UK Alpha 5XL Regular Regular #2)

Generic£8.274.3★15 rev

Qskall Womens Union Jack T Shirt British Flag Themed Shirts Heart Print Tee Tops White

Qskall£13.274.0★27 rev

Sign Print Lab Tour Collection Union Jack (Unisex) Flag T-Shirts XS-S- M-L-XL-XXL London Great Britain Mens (M)

Sign Print Lab£11.934.4★349 rev

Newest

by launch date

COSAVOROCK Mens Union Jack T Shirt British Flag T-Shirts Blue M

COSAVOROCK£16.180 rev

4mo ago

COSAVOROCK Union Jack T Shirts for Men British Flag T-Shirt Blue L

COSAVOROCK£15.730 rev

4mo ago

Mens Union Jack Shirt Great Britain Bunting Flags Print T Shirts (UK Alpha 5XL Regular Regular #2)

Generic£8.2715 rev

10mo ago

Union Jack Tea Cup Teapot Butterfly UK Flag Graphic T-Shirt

United Kingdom Vintage Art UK£12.206 rev

11mo ago

Qskall Womens Union Jack T Shirt British Flag Themed Shirts Heart Print Tee Tops Cyan

Qskall£10.6927 rev

1y ago

What buyers say about union jack t shirt

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall34%

“Nice Quality Tee Shirt”

Size-Overall24%

“Fits well and is comfy to wear”

Value For Money11%

“Great scarf good value for money”

Material Quality8%

“Good Material”

Color7%

“Very colourful”

Comfort-Overall6%

“Very comfy”

Design-Overall5%

“Love the design”

Washability2%

“I bought this for a laugh for my husband for VE and D-Day celebrations, it fitted well and washed well”

Shape/Style1%

“It's low cut and slim fitted”

Strap/String Quality1%

“I'm super happy with this spaghetti strap crop top with the union Jack flag on it”

What buyers complain about

Quality-Overall30%

“Not good quality”

Material Quality20%

“It feels like cardboard just feeling it”

Thickness20%

“Too deep”

Design-Overall10%

“Design spoilt”

Size-Overall10%

“the size is much smaller than expected”

Unsustainable Design10%

“Design spoilt”

Top return reasons

Size-Overall74%

Material Quality12%

Length5%

Color2%

Advertised Vs Actual Product2%

Print Quality1%

Stitch/Finish/Polish1%

Gap/Hole1%

Thin1%

Width1%

Common questions

Is union jack t shirt profitable to sell on Amazon United Kingdom?: The niche generates £33K/yr across 79 tracked products. 0 of 15 products launched in the last 360 days are still selling. 90-day search growth is +162.9%. Flapen's verdict: Worth a look (62/100).
How competitive is the union jack t shirt niche?: 29 brands and 39 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in union jack t shirt?: Top complaints mined from reviews: Quality-Overall, Material Quality, Thickness. The return rate is 2.7%.
When does demand for union jack t shirt peak?: Demand peaks in May–Jul–Aug–Sep; the busiest month runs 17.0× the quietest.
What does it cost to enter the union jack t shirt niche?: Listings span £4.72–£29.97; the average listing price is £10.90 (sweet spot $15–$100). The average incumbent carries 191 reviews — the moat a new listing must climb.