---
title: "Jacks Magic Compost — £34K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/jacks-magic-compost"
last_updated: "2026-08-01T04:05:03.430Z"
locale: en
meta:
description: "Niche score 45/100 · £34K/yr market · 19K searches/yr · £16.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · £34K/yr market · 19K searches/yr · £16.96 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Jacks Magic Compost — £34K/yr Amazon UK Niche (2026) - Flapen"
---
# **jacks magic compost**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 9Growth 50Conversion 90Competition 2Returns 100Price range 77Avg price 80Brand share 0Review moat 71Quality gap 58
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****£16.96**
avg listing price — sweet spot $15–$100
**Price range**
**Great****£9.71–£33.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****676.67**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+20.0%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£34K**
£34K/yr · 19K searches
**Competition**
**Bad****98%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, jacks magic compost is a £34K/yr Amazon United Kingdom market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 45/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **jacks magic compost market data**
- **Units sold / yr**
- **2K–3K**
- avg 250–500/product
- **Revenue / yr**
- **£34K–£42K**
- units × avg price
- **Conversion rate**
- **10.7%**
- **Avg BSR**
- **#304**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **17%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **187 days**
## **Competition & brand share**
The top 5 products capture 98% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**36**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**98%**
Top 20: 100%
**Open market**
**0%**
- Westland92% - indigo6% - GROWMOOR2%
## **Demand & seasonality**
Weekly Amazon search volume, last 62 weeks — +20.0% search growth over the last 90 days.
1K750Spike '25Spike '26 seasonJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Mar, Apr, May · busiest ÷ quietest = 20.7×
[**Open Trend **](https://flapen.com/research/uk/home-garden/jacks-magic-compost/trend)
## **Top jacks magic compost search terms**
- **jacks magic compost**13K/yr+28.0%7.0% conv. - **jacks magic compost 50l**3K/yr-7.6%6.6% conv. - **jacks magic**3K/yr+24.9%7.3% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/jacks-magic-compost/search-terms)
## **Top jacks magic 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.
0%15%£5K30%£10K45%£15K60%£21K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 6 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Westland Jacks Magic 50L All Purpose Compost 50:50**Westland**£11.08**4.4★21 rev](https://www.amazon.co.uk/dp/B0DBRG1SPV) [2**Westland 2 x Jacks Magic 50L Multi Puprose compost**Westland**£20.66**4.6★105 rev](https://www.amazon.co.uk/dp/B08XB3R4QN) [3**Westland 3 x Jacks Magic 50L Multi Puprose compost**Westland**£33.01**4.1★34 rev](https://www.amazon.co.uk/dp/B08XB35KHL) [4**Garden Jacks Magic 50L Multi-Purpose Compost Peat-Free Premium Blend For All Gardening Needs**indigo**£12.65**4.4★36 rev](https://www.amazon.co.uk/dp/B0D42DHQDV) [5**Westland Jacks Magic 50L Multi Puprose compost**Westland**£9.71**4.5★359 rev](https://www.amazon.co.uk/dp/B0886CDFWR)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Garden Jacks Magic 50L Multi-Purpose Compost Peat-Free Premium Blend For All Gardening Needs**indigo**£12.65**36 rev2y ago](https://www.amazon.co.uk/dp/B0D42DHQDV) [**Westland Jacks Magic 50L All Purpose Compost 50:50**Westland**£11.08**21 rev4y ago](https://www.amazon.co.uk/dp/B0DBRG1SPV) [**CB FUELS 2 X 60L GROWMOOR MULTI-PURPOSE COMPOST**GROWMOOR**£14.65**3,505 rev5y ago](https://www.amazon.co.uk/dp/B08YF4YZ11) [**Westland Jacks Magic 50L Multi Puprose compost**Westland**£9.71**359 rev6y ago](https://www.amazon.co.uk/dp/B0886CDFWR) [**Westland 2 x Jacks Magic 50L Multi Puprose compost**Westland**£20.66**105 rev11y ago](https://www.amazon.co.uk/dp/B08XB3R4QN)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Westland Jacks Magic 50L All Purpose Compost 50:50**Westland**£11.08**4.4★**▲ 102%**](https://www.amazon.co.uk/dp/B0DBRG1SPV) [**Westland 2 x Jacks Magic 50L Multi Puprose compost**Westland**£20.66**4.6★**— 5%**](https://www.amazon.co.uk/dp/B08XB3R4QN) [**CB FUELS 2 X 60L GROWMOOR MULTI-PURPOSE COMPOST**GROWMOOR**£14.65**4.4★**— 6%**](https://www.amazon.co.uk/dp/B08YF4YZ11) [**Westland 3 x Jacks Magic 50L Multi Puprose compost**Westland**£33.01**4.1★**▼ 34%**](https://www.amazon.co.uk/dp/B08XB35KHL) [**Westland Jacks Magic 50L Multi Puprose compost**Westland**£9.71**4.5★**▼ 60%**](https://www.amazon.co.uk/dp/B0886CDFWR)
**~~View all trending →~~**
## **What buyers say about jacks magic compost**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**30%
*“Affordable quality”*
**Value For Money**23%
*“Best value”*
**Plant Growth**21%
*“Grow well”*
**Advertised Vs Actual Product**6%
*“As advertised”*
**Ease Of Use**3%
*“Easy to use”*
**Eco Friendliness**2%
*“good allround compost”*
**Soft Feel**2%
*“It's very fluffy”*
**Size-Overall**2%
*“Great size”*
**Smell**1%
*“best of all — it doesnt smell awful like some composts do”*
**Moist/Dry**1%
*“Being dry, it doesn't weigh too heavily for lifting, so this old lady can manage 60 litres”*
### **What buyers complain about **
**Quality-Overall**19%
*“Not great quality”*
**Plant Growth**14%
*“.They havent grown yet”*
**Moist/Dry**12%
*“it is too dry”*
**Value For Money**7%
*“They may be cheap”*
**Water Resistance**6%
*“The water just runs off or sits”*
**Absorbency**5%
*“Not absorbent”*
**Size-Overall**4%
*“Not fit for purpose”*
**Advertised Vs Actual Product**4%
*“Deceiving”*
**Wood Quality**3%
*“The amount of wood chip within the bag was terrible”*
**Contamination**3%
*“Contains fungus”*
### **Top return reasons **
**Advertised Vs Actual Product**38%
**Quality-Overall**24%
**Value For Money**12%
**Instructions/User Manual/Troubleshooting**6%
**Moist/Dry**6%
**Defective Material/Parts**6%
**Leak-Proof**6%
**Plant Growth**3%
## **Common questions**
- **Is jacks magic compost profitable to sell on Amazon United Kingdom?**
- The niche generates £34K/yr across 6 tracked products. 90-day search growth is +20.0%. Flapen's verdict: Skip it (45/100).
- **How competitive is the jacks magic compost niche?**
- 3 brands and 36 sellers compete. The top 5 products take 98% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in jacks magic compost?**
- Top complaints mined from reviews: Quality-Overall, Plant Growth, Moist/Dry. The return rate is 0.0%.
- **When does demand for jacks magic compost peak?**
- Demand peaks in Mar–Apr–May; the busiest month runs 20.7× the quietest.
- **What does it cost to enter the jacks magic compost niche?**
- Listings span £9.71–£33.01; the average listing price is £16.96 (sweet spot $15–$100). The average incumbent carries 677 reviews — the moat a new listing must climb.
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