---
title: "Grey Grout Pen — £59K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/grey-grout-pen"
last_updated: "2026-07-31T10:00:36.268Z"
locale: en
meta:
description: "Niche score 40/100 · £59K/yr market · 58K searches/yr · £6.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · £59K/yr market · 58K searches/yr · £6.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Grey Grout Pen — £59K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****14.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****1,758.63**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****66%**
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**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/grey-grout-pen/trend)
## **Top grey grout pen search terms**
- **grey grout pen**23K/yr-22.4%12.1% conv. - **grout pen grey**16K/yr-18.7%10.8% conv. - **light grey grout pen**7K/yr-17.4%15.3% conv. - **dark grey grout pen**6K/yr-29.7%16.3% conv. - **grout pen light grey**3K/yr-21.1%18.3% conv. - **grout pen dark grey**2K/yr-29.6%16.3% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/grey-grout-pen/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**GROUT PEN - Restores & Protects Tile Grout in Bathrooms & Kitchens (Grey)**RAINBOW CHALK MARKERS LTD**£3.81**4.2★6,344 rev](https://www.amazon.co.uk/dp/B006MCSFTS) [2**Twin Pack (DARK GREY) Grout Pen - Designed for restoring tile grout in bathrooms & kitchens**RAINBOW CHALK MARKERS LTD**£6.68**4.3★791 rev](https://www.amazon.co.uk/dp/B09GG6XJ1N) [3**Twin Pack (LIGHT GREY) Grout Pen - Designed for restoring tile grout in bathrooms & kitchens**RAINBOW CHALK MARKERS LTD**£6.79**4.3★907 rev](https://www.amazon.co.uk/dp/B09GG87CHC) [4**Gray Grout Pen Tile Grout Paint Marker From Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack**Floor-Fix Pro**£7.86**3.5★74 rev](https://www.amazon.co.uk/dp/B0FYFRJM13) [5**Flintronic 6PCS Dark Grey Grout Pen - Tile Paint Marker and Wall Repair Sealer for Bathrooms Kitchen Floor and Wall Lines**flintronic**£5.58**3.8★1,584 rev](https://www.amazon.co.uk/dp/B0D7WCDL71)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2Pcs Grout Pen Grey Tile Paint for Tiles Bathroom Designed for Restoring Tile Grout in Wall Floor Bathrooms Kitchens Grey Reviver Pens for Kitchen Floor Tile Shower Wall Lines**AETPI**£4.46**11 rev8mo ago](https://www.amazon.co.uk/dp/B0FYLX6MWR) [**2Pcs Grout Pen Dark Grey Tile Paint for Tiles Bathroom Designed for Restoring Tile Grout in Wall Floor Bathrooms Kitchens**AETPI**£5.02**7 rev8mo ago](https://www.amazon.co.uk/dp/B0FYM17N96) [**Gray Grout Pen Tile Grout Paint Marker From Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack**Floor-Fix Pro**£7.86**74 rev8mo ago](https://www.amazon.co.uk/dp/B0FYFRJM13) [**Dark Grey Grout Pen Tile Grout Paint Marker From Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack**Floor-Fix Pro**£7.54**22 rev8mo ago](https://www.amazon.co.uk/dp/B0FYFVWF71) [**Floor-Fix Pro Twist & Grout Repair Kit Premixed Waterproof Grout Repair & Grout Paint Pen Alternative Fast Tile Grout Reviver for Bathroom Shower & Kitchen Crack-Resistant (Light Grey)**Twist & Grout**£14.34**687 rev1y ago](https://www.amazon.co.uk/dp/B0DRSTZTPS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dark Grey Grout Pen Tile Grout Paint Marker From Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack**Floor-Fix Pro**£7.54**3.8★**▲ 189%**](https://www.amazon.co.uk/dp/B0FYFVWF71) [**Gray Grout Pen Tile Grout Paint Marker From Floor-Fix Pro | Waterproof Grout Colorant & Sealer Pen | Bathroom & Kitchen Tile Grout Whitener | Narrow 5mm Precision Tip | 2 Pack**Floor-Fix Pro**£7.86**3.5★**▲ 147%**](https://www.amazon.co.uk/dp/B0FYFRJM13) [**Twin Pack (LIGHT GREY) Grout Pen - Designed for restoring tile grout in bathrooms & kitchens**RAINBOW CHALK MARKERS LTD**£6.79**4.3★**▲ 59%**](https://www.amazon.co.uk/dp/B09GG87CHC) [**2Pcs Grout Pen Grey Tile Paint for Tiles Bathroom Designed for Restoring Tile Grout in Wall Floor Bathrooms Kitchens Grey Reviver Pens for Kitchen Floor Tile Shower Wall Lines**AETPI**£4.46**3.7★**▲ 39%**](https://www.amazon.co.uk/dp/B0FYLX6MWR) [**Twin Pack (DARK GREY) Grout Pen - Designed for restoring tile grout in bathrooms & kitchens**RAINBOW CHALK MARKERS LTD**£6.68**4.3★**▲ 33%**](https://www.amazon.co.uk/dp/B09GG6XJ1N)
**~~View all trending →~~**
## **What buyers say about grey grout pen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**29%
*“Really easy to apply”*
**Quality-Overall**15%
*“Excellent product, easy to use and very stable”*
**Color**10%
*“the colour was perfect”*
**Value For Money**10%
*“Good price”*
**Advertised Vs Actual Product**6%
*“Did the job”*
**Ease Of Cleaning**6%
*“It was extremely easy to use with any excess simply wiped off”*
**Paint Quality**2%
*“consistent grey colour that tidies everything up beautifully”*
**Water Resistance**2%
*“The waterproof formula is particularly useful in bathrooms and kitchens, where moisture resistance is important”*
**Durability**2%
*“The product has held up really well with cleaning and mopping”*
**Efficiency**2%
*“Works well”*
### **What buyers complain about **
**Color**36%
*“not quite dark grey”*
**Functionality-Overall**13%
*“It didnt work for me”*
**Value For Money**7%
*“not the best value option available here on Amazon”*
**Durability**4%
*“Dont last long at all”*
**Spray/Flow**2%
*“the flow was still very poor”*
**Ease Of Use**2%
*“its not so easy”*
**Nib/Tip Quality**2%
*“only one problem which other customers have mentioned is that the nibs dont last long at all”*
**Ease Of Cleaning**2%
*“Buy sadly it has not stood the test of time or cleaning”*
**Quality-Overall**2%
*“Rubbish”*
**Paint Quality**1%
*“as with all of these things the nib ruins before the paint in it runs out”*
### **Top return reasons **
**Color**80%
**Functionality-Overall**7%
**Quality-Overall**3%
**Compatibility-Overall**2%
**Weight Light**1%
**Defective Material/Parts**1%
**Advertised Vs Actual Product**1%
**Durability**1%
**Paint Quality**1%
**Size-Overall**1%
## **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.
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