compost
Launch itA $2.9M/yr market growing +27.6% this quarter with returns at 0.0% — clears our launch bar.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible£2.9M£2.9M/yr · 2.7M searches
Conversion
Great11.2%search→purchase rate — share of searches ending in a sale
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Growth
Good+27.6%90-day search growth — must beat 0% to launch
Price range
Okay£3.97–£24.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.78avg listing price — sweet spot $15–$100
Review moat
Bad4,564.18avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United Kingdom niche tracking, compost is a £2.9M/yr Amazon United Kingdom market (2.7M searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Mar–Apr–May–Jun. Verdict: Launch it — 65/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
compost market data
- Units sold / yr
- 300K–400K
- avg 10,000–12,500/product
- Revenue / yr
- £2.9M–£3.9M
- units × avg price
- Conversion rate
- 11.2%
- Avg BSR
- #11
- Page quality
- 0%
- Prime
- 46%
- Sponsored
- 54%
- Out of stock
- 1.5%
- Avg brand age
- 50 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
81
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
47%
Top 20: 91%
Open market
14%
- GROWMOOR46%
- Pelle & Sol13%
- Miracle-Gro9%
- Hardys9%
- Munnie4%
- ecoblaze4%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +27.6% search growth over the last 90 days.Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 10.8×
Top compost search terms
- compost1.1M/yr
- compost for outdoor plants455K/yr
- soil334K/yr
- soil for pots plants outdoor128K/yr
- potting compost140K/yr
- multi purpose compost108K/yr
- peat free compost74K/yr
- potting soil81K/yr
- garden compost49K/yr
- compost for vegetables growing26K/yr
Top 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Growmoor Multi-Purpose Compost for Use All Around the Garden Promotes Healthy Growth Vibrant Flowers & Strong Roots 40L
GROWMOOR£6.534.5★7,077 rev

CB FUELS 2 X 60L GROWMOOR MULTI-PURPOSE COMPOST
GROWMOOR£14.654.4★3,505 rev

Hardys 60L Multi Purpose Compost - Potting & Seed Compost for Outdoor Plants | All Purpose Indoor Plants Potting | Nutrient Rich Fertiliser for Garden Pots Planter Beds
Hardys£10.924.5★4,280 rev

Pelle & Sol 10L Multi Purpose Compost - Compost for Outdoor Plants & Soil for Plants Indoors - Potting Soil for Pots Plants Outdoor - All Purpose Nutrient Rich Fertiliser Houseplant Potting Mix
Pelle & Sol£5.924.5★6,103 rev

Munnie 60L Multi-Purpose Compost Soil Bag Eco-Friendly Seed Compost for Outdoor Plants Nutrient-Rich Potting Mix for Garden Indoor Use Houseplants Pots and Seed Starting
Munnie£10.004.6★1,914 rev
Newest
by launch date
Dorman & Walsh 60L Multipurpose Compost Nutrient Rich for Potting Seeding
Dorman & Walsh£9.82194 rev

TerraGrade Multipurpose Compost 60L | Premium Potting & Garden Soil for Indoor & Outdoor Plants | Nutrient Rich Compost for Vegetables Seeds Seedlings & Houseplants | Moisture Retentive Root Boostin
ecoblaze£10.00356 rev

Pelle & Sol 120L Multi Purpose Compost - Compost for Outdoor Plants & Soil for Plants Indoors - Potting Soil for Pots Plants Outdoor - All Purpose Nutrient Rich Fertiliser Houseplant Potting Mix
Pelle & Sol£20.686,103 rev

Munnie 60L Multi-Purpose Compost Soil Bag Eco-Friendly Seed Compost for Outdoor Plants Nutrient-Rich Potting Mix for Garden Indoor Use Houseplants Pots and Seed Starting
Munnie£10.001,914 rev

Hardys 100L Multi Purpose Compost - Potting & Seed Compost for Outdoor Plants | All Purpose Indoor Plants Potting | Nutrient Rich Fertiliser for Garden Pots Planter Beds
Hardys£17.494,280 rev
Trending
90-day click momentum
Miracle-Gro All Purpose Compost 40 Litre
Miracle-Gro£6.844.6★

Dorman & Walsh 60L Multipurpose Compost Nutrient Rich for Potting Seeding
Dorman & Walsh£9.824.4★

Miracle-Gro Premium All Purpose Compost PEAT FREE 40 Litre
Miracle-Gro£6.774.4★

Pelle & Sol 40L Multi Purpose Compost - Compost for Outdoor Plants & Soil for Plants Indoors - Potting Soil for Pots Plants Outdoor - All Purpose Nutrient Rich Fertiliser Houseplant Potting Mix
Pelle & Sol£7.724.5★

Pelle & Sol 10L Multi Purpose Compost - Compost for Outdoor Plants & Soil for Plants Indoors - Potting Soil for Pots Plants Outdoor - All Purpose Nutrient Rich Fertiliser Houseplant Potting Mix
Pelle & Sol£5.924.5★
What buyers say about compost
What buyers praise and complain about, mined from review topics.What buyers love
“Affordable quality”
“Grow well”
“Good Price”
“As described”
“Easy to use”
“The bag size was good”
“Environmentally beneficial”
“Hold moisture it great”
“It's very fluffy”
“this is a very lightweight compost”
What buyers complain about
“Bad quality”
“Seedlings will just not grow in it”
“Too dry”
“It is a little expensive”
“Misleading description”
“absolutely rubbish it's actually more or less waterproof”
“Too small”
“Not absorbent”
“contains wood chipping”
“Infested”
Top return reasons
Common questions
- Is compost profitable to sell on Amazon United Kingdom?
- The niche generates £2.9M/yr across 28 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +27.6%. Flapen's verdict: Launch it (65/100).
- How competitive is the compost niche?
- 12 brands and 81 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in compost?
- Top complaints mined from reviews: Quality-Overall, Plant Growth, Moist/Dry. The return rate is 0.0%.
- When does demand for compost peak?
- Demand peaks in Mar–Apr–May–Jun; the busiest month runs 10.8× the quietest.
- What does it cost to enter the compost niche?
- Listings span £3.97–£24.47; the average listing price is £9.78 (sweet spot $15–$100). The average incumbent carries 4,564 reviews — the moat a new listing must climb.