Is john innes no3 compost profitable to sell on Amazon United Kingdom?

The niche generates £153K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +54.2%. Flapen's verdict: Skip it (46/100).

How competitive is the john innes no3 compost niche?

4 brands and 17 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in john innes no3 compost?

Top complaints mined from reviews: Advertised Vs Actual Product, Value For Money, Plant Growth. The return rate is 0.0%.

When does demand for john innes no3 compost peak?

Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 9.7× the quietest.

What does it cost to enter the john innes no3 compost niche?

Listings span £6.73–£16.59; the average listing price is £11.12 (sweet spot $15–$100). The average incumbent carries 1,002 reviews — the moat a new listing must climb.

john innes no3 compost

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great11.8%

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

Growth

Good+54.2%

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

Review moat

Good1,002.14

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay£11.12

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay£153K

£153K/yr · 117K searches

Price range

Bad£6.73–£16.59

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

Competition

Bad91%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, john innes no3 compost is a £153K/yr Amazon United Kingdom market (117K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May–Jun–Jul. Verdict: Skip it — 46/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

john innes no3 compost market data

Units sold / yr: 15K–20K; avg 1,500–2,000/product
Revenue / yr: £167K–£222K; units × avg price
Conversion rate: 11.8%
Avg BSR: #152
Page quality: 0%
Prime: 43%
Sponsored: 29%
Out of stock: 0.8%
Avg brand age: 45 months
Avg seller age: 191 days

Competition & brand share

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

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

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +54.2% search growth over the last 90 days.

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

Open Trend

Top john innes no3 compost search terms

john innes no3 compost62K/yr +52.7%11.2% conv.
john innes no 331K/yr +31.3%9.7% conv.
john innes no 3 compost 50l10K/yr +93.4%5.3% conv.
loam based compost8K/yr +89.0%2.4% conv.
john innes no 3 compost4K/yr +85.3%7.8% conv.
john innes no. 33K/yr +100.0%9.2% conv.

All search terms

Top john innes no3 compost 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Westland 30L No.3 John Innes Mature Plant Compost

Westland£9.834.5★913 rev

Westland John Innes Number 3 Mature Plant Compost 35L

Westland£10.804.4★195 rev

WESTLAND John Innes No3 Mature Plant Compost 10L

Westland£6.734.6★191 rev

Mature Plant Garden Potting Compost - Peat Free No3 Mature Plant Potting Seedling Compost 28L Bag with Topline Card for Outdoor & Indoor House Plants. Enriched with 4 Month Feed

Topline£11.894.7★40 rev

Westland 60L Multi-Purpose Compost with John Innes

Westland£10.484.5★4,650 rev

Newest

by launch date

28L John Innes No.3 Mature Plant Compost Nutrient Rich Soil Mix for Strong Root Development Ideal for Potting Mature Plants Shrubs & Trees Traditional Loam Based Formula

SuperGift.com£11.5412 rev

11mo ago

Mature Plant Garden Potting Compost - Peat Free No3 Mature Plant Potting Seedling Compost 28L Bag with Topline Card for Outdoor & Indoor House Plants. Enriched with 4 Month Feed

Topline£11.8940 rev

3y ago

Multi Purpose Compost with added John Innes 60L - 6 months feeding added as standard to this premium mix - Ideal for use at home in the garden - By Jamieson Brothers

Jamieson Brothers£16.591,014 rev

4y ago

WESTLAND John Innes No3 Mature Plant Compost 10L

Westland£6.73191 rev

6y ago

Westland John Innes Number 3 Mature Plant Compost 35L

Westland£10.80195 rev

7y ago

What buyers say about john innes no3 compost

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

What buyers love

Quality-Overall31%

“The compost looks good quality”

Plant Growth28%

“Good for your plants”

Value For Money16%

“Fair price”

Advertised Vs Actual Product8%

“exactly as advertised”

Moist/Dry2%

“Its really dry I hope its ok for my bedding plants & tomatoes”

Ease Of Cleaning2%

“Good dirt”

Strength1%

“Stable reliable base”

Ease Of Use1%

“Easy to use”

Thickness1%

“Finer than other composts I have bought”

Weight Light1%

“Lightweight, perfect compost”

What buyers complain about

Advertised Vs Actual Product37%

“Misleading sizing”

Value For Money9%

“I know it is more expensive”

Plant Growth6%

“Not for seedlingss”

Wood Quality6%

“Not great quality, very woody”

Pest/Insect Control6%

“Unfortunately my pack was completely riddled with fungus gnats. little flies.”

Size-Overall6%

“Short”

Material Quality3%

“This is not loam based”

Suitable For Indoor3%

“for indoor plants it's an absolute no”

Moist/Dry3%

“quickly dry after watering”

Top return reasons

Advertised Vs Actual Product35%

Value For Money15%

Moist/Dry15%

Size-Overall15%

Contamination8%

Smell8%

Leak-Proof4%

Common questions

Is john innes no3 compost profitable to sell on Amazon United Kingdom?: The niche generates £153K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +54.2%. Flapen's verdict: Skip it (46/100).
How competitive is the john innes no3 compost niche?: 4 brands and 17 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in john innes no3 compost?: Top complaints mined from reviews: Advertised Vs Actual Product, Value For Money, Plant Growth. The return rate is 0.0%.
When does demand for john innes no3 compost peak?: Demand peaks in Mar–Apr–May–Jun–Jul; the busiest month runs 9.7× the quietest.
What does it cost to enter the john innes no3 compost niche?: Listings span £6.73–£16.59; the average listing price is £11.12 (sweet spot $15–$100). The average incumbent carries 1,002 reviews — the moat a new listing must climb.