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John Innes No3 Compost

Fail

The top 5 brands take 100% of clicks, so John Innes No3 Compost is a Fail.

Flapen Score
46
46 / 100
Ranks 3,831 of 5,777 Home & Garden niches · −5 vs the category median of 51
Market size
£153K/yr117K searches / yr
90-day growth
+54.2%search demand this quarter
Competition
91%top-5 click share · 4 brands · 17 sellers

Flapen Score

John Innes No3 Compost against its category

The dotted line is the Home & Garden average. Past it, John Innes No3 Compost is stronger. Inside it, weaker.

46Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The John Innes No3 Compost market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for John Innes No3 Compost 117K times last year and spent an estimated £153K. All 4 brands take every click. Demand peaks in Mar–Apr–May–Jun–Jul. Flapen scores it 46 out of 100, a Fail.

01 · Demand

An estimated 11.8% of those searches ended in a purchase.

Shoppers searched for this 117K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 11.8% of those searches ended in a purchase. Searches in the last 90 days moved +54.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £153K a year.

Searches, last 12 months
117K
Growth, 90 days vs prior 90
+54.2%
Conversion, latest week
11.8%
Market size, estimated
£153Ka year
Peak month
May9.7× the quietest month
Top search term
john innes no3 compost62K searches a year

02 · Price

A sale here is worth £11.12.

Listings sell for £11.12 on average, from £6.73 to £16.59. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 1,500 to 2,000 of them. At £11.12 that is £17K to £22K a year per listing.

Average price
£11.12under the $15 to $100 sweet spot
Price range
£6.73–£16.59
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
1,500–2,000
Revenue per listing a year
£17K–£22K
Returns
0.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

29% of listings pay for placement with sponsored ads. 43% ship with Prime. On an average day, 0.8% of listings are out of stock. The average listing ranks #152 within Fertilisers & Plant Food. It carries 1,002 reviews at 4.53 stars, so a new listing needs social proof before a better product.

Sponsored listings
29%
Prime listings
43%
Out of stock, average day
0.8%
Average rank
#152in Fertilisers & Plant Food
Average rating
4.53 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,002per listing
Listings tracked
7

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 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 45 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
45 months

Products

Top John Innes No3 Compost 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 26, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 91% of clicks. A locked shelf that new listings rarely crack.

£0£23K£46K£69K£92K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

17

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

91%

Top 20: 100%

Open market

0%

  • Westland85%
  • Topline6%
  • SuperGift.com4%
  • Jamieson Brothers4%
  • Open — no brand owns it (0%)

Demand

John Innes No3 Compost search demand

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

5K4KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 9.7×

Search terms

Top John Innes No3 Compost search terms shoppers use

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

  • john innes no3 compost62K/yr
  • john innes no 331K/yr
  • john innes no 3 compost 50l10K/yr
  • loam based compost8K/yr
  • john innes no 3 compost4K/yr
  • john innes no. 33K/yr

Reviews and returns

What reviews say buyers love and hate about John Innes No3 Compost

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

31%of positive reviews mention “Quality-Overall”
37%of negative reviews mention “Advertised Vs Actual Product”
<0.1%of orders come back, a rate Amazon rounds to zero
“Misleading sizing”
A buyer, on “Advertised Vs Actual Product”37% 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 John Innes No3 Compost 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