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grey grout pen

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 15Growth 14Conversion 97Competition 32Returns 90Price range 0Avg price 19Brand share 0Review moat 47Quality gap 93

Conversion

Incredible14.8%

search→purchase rate — share of searches ending in a sale

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Returns

Great1.3%

return rate — above 5% kills the launch gate

Review moat

Okay1,758.63

avg incumbent reviews — the moat a new listing must climb

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Avg price

Bad£6.95

avg listing price — sweet spot $15–$100

Market size

Bad£59K

£59K/yr · 58K searches

Growth

Bad-21.8%

90-day search growth — must beat 0% to launch

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£3.81–£14.34

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, grey grout pen is a £59K/yr Amazon United Kingdom market (58K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

grey grout pen market data

Units sold / yr
8K–10K
avg 500–750/product
Revenue / yr
£56K–£70K
units × avg price
Conversion rate
14.8%
Avg BSR
#82
Page quality
0%
Prime
100%
Sponsored
94%
Out of stock
0.0%
Avg brand age
31 months
Avg seller age
186 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

0%

  • RAINBOW CHALK MARKERS LTD69%
  • Floor-Fix Pro12%
  • flintronic11%
  • AETPI4%
  • Twist & Grout3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.8% search growth over the last 90 days.
2K1KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top grey grout pen search terms

  • grey grout pen23K/yr
  • grout pen grey16K/yr
  • light grey grout pen7K/yr
  • dark grey grout pen6K/yr
  • grout pen light grey3K/yr
  • grout pen dark grey2K/yr
All search terms

Top grey grout pen 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%£6K20%£12K30%£18K40%£24K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about grey grout pen

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use29%

“Really easy to apply”

Quality-Overall15%

“Excellent product, easy to use and very stable”

Color10%

“the colour was perfect”

Value For Money10%

“Good price”

Advertised Vs Actual Product6%

“Did the job”

Ease Of Cleaning6%

“It was extremely easy to use with any excess simply wiped off”

Paint Quality2%

“consistent grey colour that tidies everything up beautifully”

Water Resistance2%

“The waterproof formula is particularly useful in bathrooms and kitchens, where moisture resistance is important”

Durability2%

“The product has held up really well with cleaning and mopping”

Efficiency2%

“Works well”

What buyers complain about

Color36%

“not quite dark grey”

Functionality-Overall13%

“It didnt work for me”

Value For Money7%

“not the best value option available here on Amazon”

Durability4%

“Dont last long at all”

Spray/Flow2%

“the flow was still very poor”

Ease Of Use2%

“its not so easy”

Nib/Tip Quality2%

“only one problem which other customers have mentioned is that the nibs dont last long at all”

Ease Of Cleaning2%

“Buy sadly it has not stood the test of time or cleaning”

Quality-Overall2%

“Rubbish”

Paint Quality1%

“as with all of these things the nib ruins before the paint in it runs out”

Top return reasons

Color80%
Functionality-Overall7%
Quality-Overall3%
Compatibility-Overall2%
Weight Light1%
Defective Material/Parts1%
Advertised Vs Actual Product1%
Durability1%
Paint Quality1%
Size-Overall1%

Common questions

Is grey grout pen profitable to sell on Amazon United Kingdom?
The niche generates £59K/yr across 16 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -21.8%. Flapen's verdict: Skip it (40/100).
How competitive is the grey grout pen niche?
5 brands and 6 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in grey grout pen?
Top complaints mined from reviews: Color, Functionality-Overall, Value For Money. The return rate is 1.3%.
When does demand for grey grout pen peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the grey grout pen niche?
Listings span £3.81–£14.34; the average listing price is £6.95 (sweet spot $15–$100). The average incumbent carries 1,759 reviews — the moat a new listing must climb.