---
title: "Black Grout — £47K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/black-grout"
last_updated: "2026-07-31T08:40:46.595Z"
locale: en
meta:
description: "Niche score 44/100 · £47K/yr market · 53K searches/yr · £12.30 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £47K/yr market · 53K searches/yr · £12.30 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Black Grout — £47K/yr Amazon UK Niche (2026) - Flapen"
---
# **black grout**
**Skip it**
Soft demand (-35.3% this quarter) — this niche doesn't clear our bar today.
Market size 12Growth 7Conversion 76Competition 36Returns 88Price range 42Avg price 53Brand share 37Review moat 68Quality gap 79
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****7.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****769.35**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****£12.30**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£4.75–£22.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£47K**
£47K/yr · 53K searches
**Growth**
**Bad****-35.3%**
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, black grout is a £47K/yr Amazon United Kingdom market (53K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 44/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **black grout market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£37K–£49K**
- units × avg price
- **Conversion rate**
- **7.1%**
- **Avg BSR**
- **#137**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **2.2%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**39**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**10%**
- BONDIFY25% - Hemway20% - Mapei15% - Unibond15% - PENTAUSA8% - Palace8% - Open — no brand owns it (4 brands, 10%)
## **Demand**
Weekly Amazon search volume, last 33 weeks — -35.3% search growth over the last 90 days.
2K1KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/diy-tools/black-grout/trend)
## **Top black grout search terms**
- **black grout**33K/yr-37.1%6.9% conv. - **black tile grout**14K/yr-30.9%6.0% conv. - **black grout for tiles**6K/yr-34.4%5.4% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/black-grout/search-terms)
## **Top black grout 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%5%£2K10%£5K15%£7K20%£9K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hemway Jet Black Ready Mixed Grout & Fix Wall & Tile Adhesive 4.5kg**Hemway**£22.53**4.4★2,093 rev](https://www.amazon.co.uk/dp/B07KCGZ1KW) [2**UNI UF Wall Grout Black 1.38KG**Unibond**£12.64**4.3★535 rev](https://www.amazon.co.uk/dp/B08RNNHSYJ) [3**Mapei 120 UltraColor Plus Black Grout 2kg**Mapei**£10.52**4.5★385 rev](https://www.amazon.co.uk/dp/B008D047US) [4**BONDIFY Waterproof Wall and Floor Tile Grout Black Cartridge Ready Mixed 450g FAST DRYING Anti Mould Grout Repair Kit Black Grout Reviver for Shower Bathroom Kitchen Quick Drying Tile Gap Filler**BONDIFY**£11.59**4.8★10 rev](https://www.amazon.co.uk/dp/B0GNMBVBQV) [5**Anti-Mould Tile Grout Charcoal 3KG - Water-Resistant Grout for Bathroom & Kitchen Wall and Floor Tiles**Palace**£6.76**3.7★10 rev](https://www.amazon.co.uk/dp/B00M1TFPM6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hemway Jet Black Grout Reviver Kit 400g with 4 Piece Profiling Tool Kit**Hemway**£13.41**81 rev4mo ago](https://www.amazon.co.uk/dp/B0GQTZWNQH) [**BONDIFY Waterproof Wall and Floor Tile Grout Black Cartridge Ready Mixed 450g FAST DRYING Anti Mould Grout Repair Kit Black Grout Reviver for Shower Bathroom Kitchen Quick Drying Tile Gap Filler**BONDIFY**£11.59**10 rev5mo ago](https://www.amazon.co.uk/dp/B0GNMBVBQV) [**BONDIFY Waterproof Wall and Floor Tile Grout Black Cartridge Ready Mixed 450gx2 FAST DRYING Anti Mould Grout Repair Kit Black Grout Reviver for Shower Bathroom Kitchen Quick Drying Tile Gap Filler**BONDIFY**£13.92**20 rev5mo ago](https://www.amazon.co.uk/dp/B0GNM6HZSC) [**2Pcs Grout Pen Black Tile Paint for Tiles Bathroom Designed for Restoring Tile Grout in Wall Floor Bathrooms Kitchens Tile Grout Reviver Pens for Kitchen Floor Tile Shower Wall Lines**Quwem**£4.75**22 rev8mo ago](https://www.amazon.co.uk/dp/B0FXXNF72N) [**BONDIFY Waterproof Black Grout Reviver Ready Mixed 360g FAST DRYING EXTRA VOLUME Anti Mould Waterproof Grout Repair Kit Black Tile Grout for Patio Shower Bathroom Window Quick Drying Gap Filler**BONDIFY**£12.17**42 rev1y ago](https://www.amazon.co.uk/dp/B0FJ6QK8K7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hemway Jet Black Grout Reviver Kit 400g with 4 Piece Profiling Tool Kit**Hemway**£13.41**4.3★**▲ 282%**](https://www.amazon.co.uk/dp/B0GQTZWNQH) [**BONDIFY Waterproof Wall and Floor Tile Grout Black Cartridge Ready Mixed 450gx2 FAST DRYING Anti Mould Grout Repair Kit Black Grout Reviver for Shower Bathroom Kitchen Quick Drying Tile Gap Filler**BONDIFY**£13.92**4.6★**▲ 218%**](https://www.amazon.co.uk/dp/B0GNM6HZSC) [**BONDIFY Waterproof Wall and Floor Tile Grout Black Cartridge Ready Mixed 450g FAST DRYING Anti Mould Grout Repair Kit Black Grout Reviver for Shower Bathroom Kitchen Quick Drying Tile Gap Filler**BONDIFY**£11.59**4.8★**▲ 206%**](https://www.amazon.co.uk/dp/B0GNMBVBQV) [**Anti-Mould Tile Grout Charcoal 3KG - Water-Resistant Grout for Bathroom & Kitchen Wall and Floor Tiles**Palace**£6.76**3.7★**▲ 170%**](https://www.amazon.co.uk/dp/B00M1TFPM6) [**NX Ready mixed Charcoal Wall tile Grout 1.38kg**NX**£11.41**4.0★**▲ 111%**](https://www.amazon.co.uk/dp/B0F7RSK18S)
**~~View all trending →~~**
## **What buyers say about black grout**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**22%
*“Easy to use”*
**Color**15%
*“Lasts well, good colour”*
**Quality-Overall**13%
*“produce good-quality grout paste”*
**Ease Of Cleaning**8%
*“cleaned up nicely”*
**Value For Money**8%
*“Great value and looks nice”*
**Advertised Vs Actual Product**8%
*“was as advertised”*
**Adhesion/Stickiness**5%
*“Adheres and dries well”*
**Water Resistance**2%
*“it has a proper waterproof finish”*
**Stitch/Finish/Polish**2%
*“The coverage is great, and it fills in gaps nicely, giving everything a smooth and even finish”*
**Material Quality**2%
*“with a very fine consistancy so no random lumps. like the mixes I make!”*
### **What buyers complain about **
**Leak-Proof**13%
*“The Whole Thing Has Leaked”*
**Value For Money**11%
*“Is the product good value for money: No”*
**Water Resistance**11%
*“Useless for showers, NOT waterproof”*
**Ease Of Cleaning**8%
*“it washes off when cleaning tiles”*
**Thickness**7%
*“Needs to be thicker”*
**Quality-Overall**6%
*“It is also worth noting that the included applicators are not of that great a quality”*
**Color**6%
*“dark black unlike some of the alternatives which I have used before”*
**Size-Overall**5%
*“this tub isnt fit for purpose”*
**Paint Quality**4%
*“The coverage is very poor and lacks opacity, meaning you have to go over the same lines multiple times, and even then the finish looks uneven and patchy”*
**Durability**4%
*“So not great value for money or doesnt have durability”*
### **Top return reasons **
**Leak-Proof**34%
**Color**26%
**Defective Material/Parts**12%
**Adhesion/Stickiness**8%
**Functionality-Overall**3%
**Advertised Vs Actual Product**3%
**Size-Overall**2%
**Product Condition**2%
**Rusts/Corrodes**1%
**Hard Feel**1%
## **Common questions**
- **Is black grout profitable to sell on Amazon United Kingdom?**
- The niche generates £47K/yr across 17 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -35.3%. Flapen's verdict: Skip it (44/100).
- **How competitive is the black grout niche?**
- 10 brands and 39 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in black grout?**
- Top complaints mined from reviews: Leak-Proof, Value For Money, Water Resistance. The return rate is 1.3%.
- **What does it cost to enter the black grout niche?**
- Listings span £4.75–£22.53; the average listing price is £12.30 (sweet spot $15–$100). The average incumbent carries 769 reviews — the moat a new listing must climb.
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