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63

birthday decoration

Launch it

A $1.4M/yr market growing +3.4% this quarter with returns at 0.6% — clears our launch bar.

Market size 85Growth 29Conversion 55Competition 85Returns 97Price range 0Avg price 20Brand share 94Review moat 50Quality gap 47

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Brand share

Great41%

top-5 brand share — no brand owns this niche

Market size

Great£1.4M

£1.4M/yr · 4.3M searches

Competition

Great30%

top-5 click share — an open shelf

Conversion

Good4.7%

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

Review moat

Okay1,520.48

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+3.4%

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

Avg price

Bad£7.13

avg listing price — sweet spot $15–$100

Price range

Bad£2.02–£14.42

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

According to Flapen's Amazon United Kingdom niche tracking, birthday decoration is a £1.4M/yr Amazon United Kingdom market (4.3M searches/yr). The top 5 brands hold 41% of demand. Verdict: Launch it — 63/100.

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

birthday decoration market data

Units sold / yr
150K–200K
avg 1,500–2,000/product
Revenue / yr
£1.1M–£1.4M
units × avg price
Conversion rate
4.7%
Avg BSR
#189
Page quality
0%
Prime
98%
Sponsored
86%
Out of stock
3.1%
Avg brand age
28 months
Avg seller age
168 days

Competition & brand share

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

Brands

42 falling

Sellers

110

Top-5 brand share

41%

Top 20: 84%

Top-5 click share

30%

Top 20: 66%

Open market

54%

  • Kriovoa11%
  • YELYAN11%
  • Ohugs8%
  • Buygain7%
  • Rotupap5%
  • Unique Party5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.4% search growth over the last 90 days.
90K70KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Top birthday decoration search terms

  • birthday decorations987K/yr
  • happy birthday banner766K/yr
  • party decorations415K/yr
  • birthday banner435K/yr
  • birthday342K/yr
  • happy birthday178K/yr
  • birthday decorations for men155K/yr
  • happy birthday decorations161K/yr
  • birthday decoration for women126K/yr
  • birthday banners114K/yr
All search terms

Top birthday decoration 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%£42K6%£85K9%£127K12%£169K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about birthday decoration

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

What buyers love

Quality-Overall22%

“Great quality, easy to assemble”

Value For Money18%

“Value for money”

Color9%

“Beautiful colours”

Assembly/Installation7%

“Easy to put together”

Brightness/Shine/Glow5%

“Lovely light good build easy to use”

Design-Overall5%

“Was a great decor”

Advertised Vs Actual Product4%

“As advertised”

Ease Of Use3%

“Easy to use”

Fun/Entertainment Experience3%

“Hours for fun for my youngest as she played with different sequences of lights in the day & night”

Size-Overall2%

“Decent size”

What buyers complain about

Quality-Overall23%

“Bad quality”

Inflation/Deflation11%

“Didnt inflate properly”

Size-Overall8%

“Didnt fit our door”

Adhesion/Stickiness6%

“had to be glued back on”

Value For Money5%

“looked alot more expensive than they actually were”

Durability4%

“started to fray after a couple of days”

Instructions/User Manual/Troubleshooting4%

“Instructions are digital”

Remote Control4%

“Faulty remote”

Thickness2%

“It was thicker material than I thought”

Advertised Vs Actual Product2%

“These are not as shown”

Top return reasons

Quality-Overall16%
Size-Overall15%
Color13%
Functionality-Overall8%
Defective Material/Parts6%
Value For Money5%
Remote Control5%
Advertised Vs Actual Product4%
Brightness/Shine/Glow4%
Inflation/Deflation3%

Common questions

Is birthday decoration profitable to sell on Amazon United Kingdom?
The niche generates £1.4M/yr across 65 tracked products. 2 of 9 products launched in the last 360 days are still selling. 90-day search growth is +3.4%. Flapen's verdict: Launch it (63/100).
How competitive is the birthday decoration niche?
42 brands and 110 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 41% of demand.
What do buyers complain about in birthday decoration?
Top complaints mined from reviews: Quality-Overall, Inflation/Deflation, Size-Overall. The return rate is 0.6%.
When does demand for birthday decoration peak?
Demand is steady year-round — the busiest month runs 1.7× the quietest.
What does it cost to enter the birthday decoration niche?
Listings span £2.02–£14.42; the average listing price is £7.13 (sweet spot $15–$100). The average incumbent carries 1,520 reviews — the moat a new listing must climb.