birthday decoration
Launch itA $1.4M/yr market growing +3.4% this quarter with returns at 0.6% — clears our launch bar.
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
Okay1,520.48avg 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£7.13avg listing price — sweet spot $15–$100
Price range
Bad£2.02–£14.42cheapest 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.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
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Happy Birthday Banner Birthday Decorations for Girls and Women with 12 inch Balloons Banner Bunting Decorations Green Pink.
Kriovoa£4.894.5★622 rev

Happy Birthday Banner and Decoration - Blue Balloons Ribbons and Banners for Party Supplies
YELYAN£4.564.4★408 rev

26 Feet Reflective Star Paper Garland - Sparkling Star Bunting Banner Hanging Decoration Sparkling Bunting Banner - for Birthday Holiday Wedding Anniversary Theme Party Supplies (gold)
Rotupap£3.844.3★202 rev

Pastel Birthday Party Decorations Macaron Happy Birthday Banner Bunting Hanging Paper Fans Pom Poms Honeycomb Decorations Set For Girls And Womens
Igone£8.294.6★556 rev

Happy Birthday Banner Birthday Decorations for Girls and Women with 12 inch Balloons Banner Bunting Decorations Green Pink.
Buygain£5.974.5★1,102 rev
Newest
by launch date
Jobkoo Pink Birthday Decorations for Women Boho Dusty Pink Rose Gold Blush Beige Latex Balloons Happy Birthday Banner Foil Fringe Curtain Tissue Paper Pompom for Woman Girls Party Decoration Supplies
Jobkoo£13.311,062 rev

Birthday Decorations for Men & Women - Green Happy Birthday Banner Includes 12 inch Green Metallic Gold White and Confetti Balloons Birthdays Bunting Ribbon & Adhesive Hooks
Ohugs£6.491,121 rev

Happy Birthday Banner Birthday Decorations for Girls and Women with 12 inch Balloons Banner Bunting Decorations Green Pink.
Buygain£5.971,102 rev

Quirki Happy Birthday Banner Bunting Rainbow Colourful Multicolour Garland with Gold Foil Letters Girls Boys Kids Birthday Party Decorations
Quirki£3.8098 rev

Happy Birthday Banner and Decoration - Blue Balloons Ribbons and Banners for Party Supplies
YELYAN£4.56408 rev
Trending
90-day click momentum
Rose Gold Happy Birthday Glitz Foil Banner - Perfect for Chic & Memorable Parties - 1 Pc
Unique Party£2.354.6★

9ft Banner Happy Birthday Blue Foil Holographic Banner
OakTree£3.134.6★

Pastel Birthday Party Decorations Macaron Happy Birthday Banner Bunting Hanging Paper Fans Pom Poms Honeycomb Decorations Set For Girls And Womens
Igone£8.294.6★

Premium Reusable Party Decorations - Pastel Birthday Set with Balloons Banner Bunting Honeycomb Decorations Pom Poms Streamers
Itsy Bitsy Party Co£11.824.5★

Happy Birthday Banner Birthday Decorations for Girls and Women with 12 inch Balloons Banner Bunting Decorations Green Pink.
Buygain£5.974.5★
What buyers say about birthday decoration
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality, easy to assemble”
“Value for money”
“Beautiful colours”
“Easy to put together”
“Lovely light good build easy to use”
“Was a great decor”
“As advertised”
“Easy to use”
“Hours for fun for my youngest as she played with different sequences of lights in the day & night”
“Decent size”
What buyers complain about
“Bad quality”
“Didnt inflate properly”
“Didnt fit our door”
“had to be glued back on”
“looked alot more expensive than they actually were”
“started to fray after a couple of days”
“Instructions are digital”
“Faulty remote”
“It was thicker material than I thought”
“These are not as shown”
Top return reasons
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.