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11th Birthday Decorations

Maybe

An estimated 0.4% of orders come back. But shoppers spend an estimated $65K a year here, so 11th Birthday Decorations is a Maybe.

Flapen Score
57
57 / 100
Top 26% of 5,777 Home & Garden niches · +6 vs the category median of 51
Market size
£65K/yr124K searches / yr
90-day growth
-3.8%search demand this quarter
Competition
23%top-5 click share · 46 brands · 71 sellers

Flapen Score

11th Birthday Decorations against its category

The dotted line is the Home & Garden average. Past it, 11th Birthday Decorations is stronger. Inside it, weaker.

57Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 11th Birthday Decorations market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 11th Birthday Decorations 124K times last year and spent an estimated £65K. The top 5 brands take 32% of clicks. Demand peaks in Jan. Flapen scores it 57 out of 100, a Maybe.

01 · Demand

An estimated 6.4% of those searches ended in a purchase.

Shoppers searched for this 124K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 6.4% of those searches ended in a purchase. Searches in the last 90 days moved -3.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £65K a year.

Searches, last 12 months
124K
Growth, 90 days vs prior 90
-3.8%
Conversion, latest week
6.4%
Market size, estimated
£65Ka year
Peak month
January2.0× the quietest month
Top search term
11th birthday decorations69K searches a year

02 · Price

A sale here is worth £8.23.

Listings sell for £8.23 on average, from £2.36 to £18.62. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 0 to 100 of them. At £8.23 that is £0 to £823 a year per listing.

Average price
£8.23under the $15 to $100 sweet spot
Price range
£2.36–£18.62
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
0–100
Revenue per listing a year
£0–£823
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads.

94% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.4% of listings are out of stock. The average listing ranks #553 within Party Supplies. It carries 180 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
94%
Prime listings
100%
Out of stock, average day
6.4%
Average rank
#553in Party Supplies
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
180per listing
Listings tracked
83

04 · Newcomers

0 of last year's 49 launches cleared the first-year sales bar.

49 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 19 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
49
Successful launches
0Amazon's first-year sales bar
Average brand age
19 months

Products

Top 11th Birthday Decorations products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 23% of clicks, no more. An open shelf where new products get seen.

£0£1K£3K£4K£5K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

46 falling

Sellers

71

Est. top-5 brand share

32%

Top 20: 78%

Est. top-5 click share

23%

Top 20: 55%

Open market

64%

  • Fuwane8%
  • JGIIIJLP8%
  • OakTree6%
  • DJLLA5%
  • Ethlomoer5%
  • British Ballet4%

Demand

11th Birthday Decorations search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '26JulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan · busiest ÷ quietest = 2.0×

Search terms

Top 11th Birthday Decorations search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • 11th birthday decorations69K/yr
  • 11th birthday18K/yr
  • 11 birthday decorations14K/yr
  • 11th birthday banner9K/yr
  • 11th birthday decorations boy8K/yr
  • happy 11th birthday banner6K/yr

Reviews and returns

What reviews say buyers love and hate about 11th Birthday Decorations

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Value For Money”
14%of negative reviews mention “Inflation/Deflation”
0.4%of orders come back
“disappointed that one of the 'number one' balloons deflated overnight”
A buyer, on “Inflation/Deflation”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common 11th Birthday Decorations questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data