stone cleaner
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great10.8%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Avg price
Good£12.45avg listing price — sweet spot $15–$100
Price range
Okay£4.46–£24.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,309.5avg incumbent reviews — the moat a new listing must climb
Market size
Okay£126K£126K/yr · 94K searches
Growth
Bad-9.3%90-day search growth — must beat 0% to launch
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, stone cleaner is a £126K/yr Amazon United Kingdom market (94K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Feb–Mar–May. Verdict: Skip it — 46/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
stone cleaner market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- £125K–£156K
- units × avg price
- Conversion rate
- 10.8%
- Avg BSR
- #183
- Page quality
- 0%
- Prime
- 72%
- Sponsored
- 28%
- Out of stock
- 1.2%
- Avg brand age
- 59 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
132
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
2%
- KÄRCHER68%
- HG21%
- Nordicare3%
- GLEAN2%
- Wet & Forget2%
- SPARES2GO2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.3% search growth over the last 90 days.Peak months: Feb, Mar, May · busiest ÷ quietest = 16.9×
Top stone cleaner search terms
- karcher patio cleaner fluid14K/yr
- stone cleaner15K/yr
- karcher stone and paving cleaner10K/yr
- stone cleaner for exterior stone9K/yr
- karcher cleaning fluid7K/yr
- natural stone cleaner7K/yr
- hg natural stone cleaner7K/yr
- karcher cleaner6K/yr
- limestone cleaner6K/yr
- karcher detergent5K/yr
Top stone cleaner 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kärcher 62957650 3-in-1 Stone Plug and Clean - Black Stone Cleaner
KÄRCHER£4.794.4★4,316 rev
HHG Natural Stone Cleaner 38 | Cleans Marble Granite & Floors | 1 L
HG£6.424.4★446 rev
Kärcher 1 L Universal Cleaner Plug and Clean Pressure Washer Detergent Yellow - Packaging May Vary
KÄRCHER£5.404.4★1,919 rev
KARCHER Genuine Patio + Deck Pressure Washer Cleaner Detergent Fluid - Mixes up to 5L (Pack of 2)
KÄRCHER£15.814.3★1,238 rev
HG Natural Stone Worktop Cleaner | Cleans Marble Granite & Countertops | 500ml
HG£4.464.4★2,588 rev
Newest
by launch date
Jarder Natural Stone Cleaner 5L Removes Dirt Grime Algae Mould and Black Spots - Restores Colour - Safe on All Stone Types - Deep Cleaning Powerful Formula
Jarder£16.4226 rev
Nordicare Stone and Concrete Cleaner Professional Alkaline Formula for Outdoor and Indoor Stone and Concrete Surfaces Removes Dirt Weathering Residues Oil Stains and Tough Stains (1000ml)
Nordicare£10.83121 rev
GLEAN Limestone Cleaner Spray | 500ml | Effective Natural Stone Fireplace Detergent | Limestone Stain Remover for Fireplaces Hearths Slate & Mantles | Cleans Soot Smoke Grease & Tar
GLEAN£8.53400 rev
KARCHER Genuine Patio + Deck Pressure Washer Cleaner Detergent Fluid - Mixes up to 5L (Pack of 2)
KÄRCHER£15.811,238 rev
KARCHER Genuine Patio + Deck Pressure Washer Cleaner Detergent Fluid (Mixes up to 5L)
KÄRCHER£9.36630 rev
Trending
90-day click momentumNordicare Stone and Concrete Cleaner Professional Alkaline Formula for Outdoor and Indoor Stone and Concrete Surfaces Removes Dirt Weathering Residues Oil Stains and Tough Stains (1000ml)
Nordicare£10.833.2★
Kärcher 6.295-359.0 Canister Stone Cladding Cleaner White 5 Litre
KÄRCHER£14.414.5★
Kärcher 1 L Universal Cleaner Plug and Clean Pressure Washer Detergent Yellow - Packaging May Vary
KÄRCHER£5.404.4★
Kärcher 62957650 3-in-1 Stone Plug and Clean - Black Stone Cleaner
KÄRCHER£4.794.4★
Wet & Forget Mould Lichen & Algae Remover Outdoor Patio Cleaner Black Spot Remover Bleach Free 5L
Wet & Forget£24.124.4★
What buyers say about stone cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“Great product just be patient”
“Cleans well”
“Does what it says”
“worth it”
“Made my job easier”
“Great for marble - effective”
“Easy to mix and use, following the instructions on the product”
“Sprayed it in the correct conditions”
“Ideal for use with the karcher pressure washer”
“Path still looking good after 10 months”
What buyers complain about
“not 100% effective”
“Just wish it was a bit cheaper”
“Garbage”
“so much mess to clean up after”
“colour has returned in some areas”
“Ineffective and waste of money”
“We now have stains where there weren't any”
“The bottle would not fit the Karacher unit despite all efforts”
“I honestly wasn't expecting these results in such a short period reading the instructions, which do stress patience, and reviews”
“It does have a pungent smell”
Top return reasons
Common questions
- Is stone cleaner profitable to sell on Amazon United Kingdom?
- The niche generates £126K/yr across 18 tracked products. 90-day search growth is -9.3%. Flapen's verdict: Skip it (46/100).
- How competitive is the stone cleaner niche?
- 7 brands and 132 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in stone cleaner?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.1%.
- When does demand for stone cleaner peak?
- Demand peaks in Feb–Mar–May; the busiest month runs 16.9× the quietest.
- What does it cost to enter the stone cleaner niche?
- Listings span £4.46–£24.65; the average listing price is £12.45 (sweet spot $15–$100). The average incumbent carries 3,310 reviews — the moat a new listing must climb.