---
title: "Moss Killer — £247K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/moss-killer"
last_updated: "2026-07-31T19:20:51.717Z"
locale: en
meta:
description: "Niche score 56/100 · £247K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · £247K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Moss Killer — £247K/yr Amazon UK Niche (2026) - Flapen"
---
# **moss killer**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 46Growth 0Conversion 73Competition 50Returns 100Price range 55Avg price 69Brand share 78Review moat 40Quality gap 80
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****57%**
top-5 brand share — no brand owns this niche
**Conversion**
**Good****6.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****£14.27**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£6.90–£25.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****55%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****£247K**
£247K/yr · 259K searches
**Review moat**
**Okay****2,546.85**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-66.2%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, moss killer is a £247K/yr Amazon United Kingdom market (259K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 56/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **moss killer market data**
- **Units sold / yr**
- **15K–20K**
- avg 500–750/product
- **Revenue / yr**
- **£214K–£285K**
- units × avg price
- **Conversion rate**
- **6.7%**
- **Avg BSR**
- **#84**
- **Page quality**
- **0%**
- **Prime**
- **58%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **53 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**122**
**Top-5 brand share**
**57%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 93%
**Open market**
**37%**
- MultiWare20% - Spear & Jackson11% - Flower Power11% - Patio Magic!8% - Gallup7% - Jarder6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -66.2% search growth over the last 90 days.
20K15KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr · busiest ÷ quietest = 6.6×
[**Open Trend **](https://flapen.com/research/uk/grocery/moss-killer/trend)
## **Top moss killer search terms**
- **moss killer**99K/yr-69.7%4.8% conv. - **moss killer for paths and drives**65K/yr-63.6%6.8% conv. - **moss remover**56K/yr-64.7%3.4% conv. - **driveway moss removal**7K/yr-69.5%2.9% conv. - **moss killer spray**4K/yr-56.1%7.2% conv. - **moss remover for driveways**4K/yr-65.5%4.2% conv. - **patio moss killer**4K/yr-50.3%6.0% conv. - **best moss remover for tarmac**4K/yr-62.2%1.6% conv. - **moss cleaner**3K/yr-53.1%2.3% conv. - **moss gone**4K/yr-61.9%5.6% conv. [**All search terms **](https://flapen.com/research/uk/grocery/moss-killer/search-terms)
## **Top moss killer 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%10%£25K20%£49K30%£74K40%£99K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MultiWare Patio Cleaner | Moss Killer For Paths And Drives | Algae Remover | Spray And Walk Away Patio Cleaner | Spray And Leave | Safe To Use With Pets | 5L Makes 20L (1)**MultiWare**£10.99**4.2★440 rev](https://www.amazon.co.uk/dp/B0D2DQ23P4) [2**Flower Power Moss Remover & Lawn Feeder with Organic High Potash Formula 5kg**Flower Power**£25.04**4.2★1,551 rev](https://www.amazon.co.uk/dp/B08WCNHC87) [3**Spear and Jackson Moss Gone Moss killer 5 Litre with long hose trigger Fast Acting Suitable on Paths patios and hard surfaces**Spear & Jackson**£16.56**4.0★682 rev](https://www.amazon.co.uk/dp/B09V8962MK) [4**Gallup Moss Killer Ready to Use 5L Fast Acting Patio & Driveway Moss Remover Visible Results in 4 Hours Covers up to 50m Ideal for Paths Patios Gardens & Driveways**Gallup**£15.95**3.4★44 rev](https://www.amazon.co.uk/dp/B0GP8DSFL4) [5**Patio Magic! 16491 Concentrate: Ideal for Patios Paths and Driveways (Kills Algae and Lichens) 2.5 Litres**Patio Magic!**£7.86**4.2★13,054 rev](https://www.amazon.co.uk/dp/B001VEJCLM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Gallup Moss Killer Ready to Use 5L Fast Acting Patio & Driveway Moss Remover Visible Results in 4 Hours Covers up to 50m Ideal for Paths Patios Gardens & Driveways**Gallup**£15.95**44 rev5mo ago](https://www.amazon.co.uk/dp/B0GP8DSFL4) [**Patio Cleaner (2.5L) Concentrate Makes 15L - Removes Green Staining & Algae - Great for Patios and Decking Driveways and Roofs - Green Growth Remover**Furniture Clinic**£8.42**657 rev6mo ago](https://www.amazon.co.uk/dp/B0GH7ZGFYT) [**Jarder Moss Remover for Hard Surfaces 5L - Super Mix Strength Formula - Use on Concrete Tarmac UPVC Block Paving Indian Sandstone & More - Advanced Formula - 5L Covers 120m2 (2)**Jarder**£24.83**64 rev7mo ago](https://www.amazon.co.uk/dp/B0G83DLBC9) [**Jarder Moss Remover for Hard Surfaces 5L - Super Mix Strength Formula - Use on Concrete Tarmac UPVC Block Paving Indian Sandstone & More - Advanced Formula - 5L Covers 120m2 (1)**Jarder**£17.66**64 rev7mo ago](https://www.amazon.co.uk/dp/B0G83DV4NG) [**Miracle-Gro Complete 4 in 1 Lawn Food 80 m handheld spreader Lawn Food Weed & Moss Control**Miracle-Gro**£9.76**350 rev8mo ago](https://www.amazon.co.uk/dp/B0G3PT35T9)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Gallup Moss Killer Ready to Use 5L Fast Acting Patio & Driveway Moss Remover Visible Results in 4 Hours Covers up to 50m Ideal for Paths Patios Gardens & Driveways**Gallup**£15.95**3.4★**▲ 298%**](https://www.amazon.co.uk/dp/B0GP8DSFL4) [**Patio Cleaner (2.5L) Concentrate Makes 15L - Removes Green Staining & Algae - Great for Patios and Decking Driveways and Roofs - Green Growth Remover**Furniture Clinic**£8.42**4.3★**▲ 274%**](https://www.amazon.co.uk/dp/B0GH7ZGFYT) [**Miracle-Gro Complete 4 in 1 Lawn Food 80 m handheld spreader Lawn Food Weed & Moss Control**Miracle-Gro**£9.76**4.4★**▲ 272%**](https://www.amazon.co.uk/dp/B0G3PT35T9) [**Westland Aftercut All In One Lawn Feed Weed & Moss Killer 80m2+25% Extra Free Box UK**Westland**£7.32**4.3★**▲ 204%**](https://www.amazon.co.uk/dp/B0CMDWRNCX) [**Greenforce G21086 Green Force Lawn Feed Weed Moss Killer 400m2 Fertilizer Grey 30.0 cm*21.0 cm*11.0 cm**Greenforce**£12.68**4.2★**▲ 101%**](https://www.amazon.co.uk/dp/B08CL4W8GX)
**~~View all trending →~~**
## **What buyers say about moss killer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Pleased with product”*
**Advertised Vs Actual Product**14%
*“As described”*
**Value For Money**14%
*“Excellent value for money”*
**Ease Of Use**9%
*“Easy to mix and use”*
**Ease Of Cleaning**9%
*“Clears all dirt”*
**Efficiency**6%
*“Works Very Well”*
**Plant Growth**4%
*“Works well on natural growth”*
**Spray/Flow**3%
*“Spray is easy to use”*
**Instructions/User Manual/Troubleshooting**2%
*“Good instructions”*
**Strength**2%
*“This stuff seems decent so far, the container* is robust, the sprayer and the attached hose are actually useful”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Results poor”*
**Spray/Flow**14%
*“Spray didn't work”*
**Value For Money**10%
*“a pity it's so expensive”*
**Quality-Overall**6%
*“rubbish product”*
**Color**4%
*“It's made it go all yellow”*
**Natural Resource Wastage**3%
*“Waste of time”*
**Instructions/User Manual/Troubleshooting**3%
*“Lacks Instructions”*
**Plant Growth**3%
*“Burnt grass”*
**Ease Of Cleaning**3%
*“It will not clean for you, obviously”*
**Leak-Proof**3%
*“The spray nossel leaks”*
### **Top return reasons **
**Functionality-Overall**24%
**Leak-Proof**18%
**Defective Material/Parts**16%
**Advertised Vs Actual Product**7%
**Value For Money**6%
**Size-Overall**6%
**Spray/Flow**4%
**Ease Of Cleaning**1%
**Quality-Overall**1%
**Instructions/User Manual/Troubleshooting**1%
## **Common questions**
- **Is moss killer profitable to sell on Amazon United Kingdom?**
- The niche generates £247K/yr across 26 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is -66.2%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the moss killer niche?**
- 18 brands and 122 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 57% of demand.
- **What do buyers complain about in moss killer?**
- Top complaints mined from reviews: Functionality-Overall, Spray/Flow, Value For Money. The return rate is 0.1%.
- **When does demand for moss killer peak?**
- Demand peaks in Mar–Apr; the busiest month runs 6.6× the quietest.
- **What does it cost to enter the moss killer niche?**
- Listings span £6.90–£25.04; the average listing price is £14.27 (sweet spot $15–$100). The average incumbent carries 2,547 reviews — the moat a new listing must climb.
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