slate oil
Skip itA small market ($27K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great11.8%search→purchase rate — share of searches ending in a sale
Review moat
Good989.33avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.88avg listing price — sweet spot $15–$100
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Competition
Bad76%top-5 click share — a locked-up shelf
Price range
Bad£4.86–£17.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-24.6%90-day search growth — must beat 0% to launch
Market size
Bad£27K£27K/yr · 23K searches
According to Flapen's Amazon United Kingdom niche tracking, slate oil is a £27K/yr Amazon United Kingdom market (23K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 38/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
slate oil market data
- Units sold / yr
- 3K–4K
- avg 250–500/product
- Revenue / yr
- £30K–£40K
- units × avg price
- Conversion rate
- 11.8%
- Avg BSR
- #231
- Page quality
- 0%
- Prime
- 60%
- Sponsored
- 53%
- Out of stock
- 0.0%
- Avg brand age
- 86 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 flat
Sellers
49
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
9%
- Tableau28%
- Generic27%
- Hotspot24%
- HG6%
- Brandon Bespoke4%
- Stovax3%
- Open — no brand owns it (4 brands, 9%)
Demand
Weekly Amazon search volume, last 31 weeks — -24.6% search growth over the last 90 days.Top slate oil search terms
- slate oil13K/yr
- slate cleaner5K/yr
- slate oil for fireplace hearth5K/yr
Top slate oil 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TABLEAU Slate Oil 250ML
Tableau£10.084.5★1,754 rev

Hotspot Slate Oil 100ml - Natural Sealer for Slate Surfaces Enhances & Protects Natural Slate Surfaces Revives Colour Prevents Staining & Repels Water
Hotspot£7.074.4★378 rev

Mr Slate. Slate Oil Cleans and Polishes Slate Surface Ideal for hearths fireplaces floors etc. (250ml)
Generic£8.864.5★98 rev

HHG Natural Stone Cleaner 38 | Cleans Marble Granite & Floors | 1 L
HG£6.424.4★446 rev

Mr Slate. Slate Oil Cleans and Polishes Slate Surface Ideal for hearths fireplaces floors etc. (1 litre)
Generic£13.115.0★12 rev
Newest
by launch date
Emberstone Slate Oil Restorer 100ml - Premium Natural Stone Cleaner Polish & Enhancer for Fireplace Hearths Floor Tiles & Outdoor Slate - Revives Colour Prevents Stains & Repels Water
Emberstone£10.080 rev

GLEAN Stone Restorer and Sealer Black Impregnating Sealant Restores the Colour of Faded Black Limestone Slate Marble and Concrete 500 ml
GLEAN£16.63200 rev

Furniture Clinic Stove Restorer - Restores The Natural Matt Black Colour on Log Burners Iron Grates & Fireplaces. Works Like a Polish - 250ml
Furniture Clinic£11.502,186 rev

Mr Slate. Slate Oil Cleans and Polishes Slate Surface Ideal for hearths fireplaces floors etc. (250ml)
Generic£8.8698 rev

Mr Slate. Slate Oil Cleans and Polishes Slate Surface Ideal for hearths fireplaces floors etc. (1 litre)
Generic£13.1112 rev
Trending
90-day click momentum
Emberstone Slate Oil Restorer 100ml - Premium Natural Stone Cleaner Polish & Enhancer for Fireplace Hearths Floor Tiles & Outdoor Slate - Revives Colour Prevents Stains & Repels Water
Emberstone£10.080.0★

Pure Mineral Oil Food Safe 250ml | Chopping Board Oil | Ideal for Wood Slate and Stone | Brandon Bespoke
Brandon Bespoke£7.514.7★

HHG Natural Stone Cleaner 38 | Cleans Marble Granite & Floors | 1 L
HG£6.424.4★

Materialix Food Grade Mineral Oil 250ml - for Wood Bamboo Stainless - Wooden Chopping Board Oil Butcher Block Oil - Cutting Board Oil and Conditioner Slate Oil Mineral Oil Food Grade
Materialix£7.534.7★

Hotspot Slate Oil 100ml - Natural Sealer for Slate Surfaces Enhances & Protects Natural Slate Surfaces Revives Colour Prevents Staining & Repels Water
Hotspot£7.074.4★
What buyers say about slate oil
What buyers praise and complain about, mined from review topics.What buyers love
“Good product - does what is described”
“Easy to use”
“Great value”
“Works like a charm”
“Cleans effectively”
“my burner looks brand new”
“Does not smell or give off any whisps of smoke when fire is on”
“Perfect for protecting carbon steel tools”
“far longer lasting”
“my stoves look much brighter now”
What buyers complain about
“No difference after using unfortunately didn't work”
“Leaked”
“expensive”
“left a sticky residue, then every bit of fluff got stuck to it”
“returned product”
“scratch showed up again”
“way grey before application”
“Not 100% sure as carried instructions as on bottle next day still wiping off black”
“Chopping board oil”
“so didnt want grease /oil penetration of wood”
Top return reasons
Common questions
- Is slate oil profitable to sell on Amazon United Kingdom?
- The niche generates £27K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -24.6%. Flapen's verdict: Skip it (38/100).
- How competitive is the slate oil niche?
- 10 brands and 49 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in slate oil?
- Top complaints mined from reviews: Functionality-Overall, Leak-Proof, Value For Money. The return rate is 0.4%.
- What does it cost to enter the slate oil niche?
- Listings span £4.86–£17.33; the average listing price is £9.88 (sweet spot $15–$100). The average incumbent carries 989 reviews — the moat a new listing must climb.