Skip to content

15th Birthday Decorations

Maybe

An estimated 0.4% of orders come back. But prices span $2.74–$17.31, mostly outside the sweet spot, so 15th Birthday Decorations is a Maybe.

Flapen Score
56
56 / 100
Top 29% of 5,777 Home & Garden niches · +5 vs the category median of 51
Market size
£66K/yr130K searches / yr
90-day growth
-3.6%search demand this quarter
Competition
27%top-5 click share · 45 brands · 74 sellers

Flapen Score

15th Birthday Decorations against its category

The dotted line is the Home & Garden average. Past it, 15th Birthday Decorations is stronger. Inside it, weaker.

56Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 15th Birthday Decorations market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 15th Birthday Decorations 130K times last year and spent an estimated £66K. The top 5 brands take 41% of clicks. Demand peaks in Jan. Flapen scores it 56 out of 100, a Maybe.

01 · Demand

An estimated 6.7% of those searches ended in a purchase.

Shoppers searched for this 130K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 6.7% of those searches ended in a purchase. Searches in the last 90 days moved -3.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £66K a year.

Searches, last 12 months
130K
Growth, 90 days vs prior 90
-3.6%
Conversion, latest week
6.7%
Market size, estimated
£66Ka year
Peak month
January1.9× the quietest month
Top search term
15th birthday decorations67K searches a year

02 · Price

A sale here is worth £7.57.

Listings sell for £7.57 on average, from £2.74 to £17.31. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 0 to 100 of them. At £7.57 that is £0 to £757 a year per listing.

Average price
£7.57under the $15 to $100 sweet spot
Price range
£2.74–£17.31
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
0–100
Revenue per listing a year
£0–£757
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads.

91% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.9% of listings are out of stock. The average listing ranks #592 within Party Supplies. It carries 399 reviews at 4.48 stars, so a new listing needs social proof before a better product.

Sponsored listings
91%
Prime listings
100%
Out of stock, average day
4.9%
Average rank
#592in Party Supplies
Average rating
4.48 starsAmazon United Kingdom average 4.36 stars
Average reviews
399per listing
Listings tracked
75

04 · Newcomers

0 of last year's 36 launches cleared the first-year sales bar.

36 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 21 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
36
Successful launches
0Amazon's first-year sales bar
Average brand age
21 months

Products

Top 15th 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 27% 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★)

Brands

45 falling

Sellers

74

Est. top-5 brand share

41%

Top 20: 83%

Est. top-5 click share

27%

Top 20: 63%

Open market

55%

  • VUCDXOP14%
  • OakTree12%
  • Ethlomoer5%
  • JGIIIJLP5%
  • Hierein5%
  • British Ballet4%

Demand

15th Birthday Decorations search demand

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

3K2KPrime Day '25Spike '25Spike '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan · busiest ÷ quietest = 1.9×

Search terms

Top 15th Birthday Decorations search terms shoppers use

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

  • 15th birthday decorations67K/yr
  • 15 birthday decorations20K/yr
  • 15th birthday16K/yr
  • 15th birthday banner11K/yr
  • happy 15th birthday banner7K/yr
  • 15 birthday5K/yr
  • 15 birthday banner4K/yr

Reviews and returns

What reviews say buyers love and hate about 15th Birthday Decorations

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

26%of positive reviews mention “Quality-Overall”
25%of negative reviews mention “Quality-Overall”
0.4%of orders come back
“Balloon not a good quality”
A buyer, on “Quality-Overall”25% 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.

16 topics

NegativePositive

FAQ

Common 15th 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