grout reviver
Skip itPrices mostly outside the sweet spot ($3.69–$14.86) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Okay£9.06avg listing price — sweet spot $15–$100
Review moat
Bad5,495.9avg incumbent reviews — the moat a new listing must climb
Market size
Bad£72K£72K/yr · 78K searches
Competition
Bad87%top-5 click share — a locked-up shelf
Brand share
Bad96%top-5 brand share — brand-locked demand
Growth
Bad-31.4%90-day search growth — must beat 0% to launch
Price range
Bad£3.69–£14.86cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, grout reviver is a £72K/yr Amazon United Kingdom market (78K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Jan–Feb–Mar–Oct. Verdict: Skip it — 36/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
grout reviver market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- £72K–£91K
- units × avg price
- Conversion rate
- 10.2%
- Avg BSR
- #131
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.6%
- Avg brand age
- 38 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
77
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
2%
- Sika43%
- Unibond31%
- PENTAUSA11%
- RAINBOW CHALK MARKERS LTD7%
- Everbuild3%
- Magic Chems2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -31.4% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Oct · busiest ÷ quietest = 3.5×
Top grout reviver search terms
- grout reviver39K/yr
- grout whitener14K/yr
- grout whitener for bathroom tiles7K/yr
- grout reviver white7K/yr
- tile grout whitener4K/yr
- unibond grout reviver6K/yr
Top grout reviver 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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sika Forever White Grout Reviver Water Resistant Contains Mould Shield Suitable for Use in Bathrooms Showers and Kitchens Arctic White 200ml
Sika£5.484.4★7,409 rev

Unibond Grout Reviver Pen White Grout Pen for Bathroom Grout Joints Easy to Use Tile Grout Pen Whitener for Restoring Discoloured & Faded Joints 1x7ml
Unibond£3.694.1★20,814 rev

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (White)
PENTAUSA£14.864.2★7,469 rev

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (Grey)
PENTAUSA£14.494.2★7,469 rev

Twin Pack White Grout Pen - Designed for restoring tile grout in bathrooms & kitchens (White)
RAINBOW CHALK MARKERS LTD£6.744.2★6,777 rev
Newest
by launch date
Grout Reviver - White Grout Paint & Whitener for Bathroom and Kitchen Tiles - Waterproof Grout Restorer & Sealer Marker for Floors and Walls
Magic Chems£13.23666 rev

TopQuaFocus 200g Grout Reviver - White Grout Cure with Whitener for Bathroom and Kitchen Tile Fast Drying Repair Kit
TopQuaFocus£6.88566 rev

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (White)
PENTAUSA£14.867,469 rev

UniBond Re-New White Silicone Sealant for Kitchen & Bath One-Step Bathroom Sealant Renewal Waterproof Kitchen Silicone with Triple Mould Resistance 1 x 80ml
Unibond£5.622,203 rev

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (Grey)
PENTAUSA£14.497,469 rev
Trending
90-day click momentum
Grout Reviver - White Grout Paint & Whitener for Bathroom and Kitchen Tiles - Waterproof Grout Restorer & Sealer Marker for Floors and Walls
Magic Chems£13.234.3★

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (Grey)
PENTAUSA£14.494.2★

Unibond Grout Reviver Pen White Grout Pen for Bathroom Grout Joints Easy to Use Tile Grout Pen Whitener for Restoring Discoloured & Faded Joints 1x7ml
Unibond£3.694.1★

Sika Forever White Grout Reviver Water Resistant Contains Mould Shield Suitable for Use in Bathrooms Showers and Kitchens Arctic White 200ml
Sika£5.484.4★

Grout - Ready Mixed Grout Reviver - Fast Drying No Sealer Required Perfect for Bathroom Shower and Kitchen + Mould Protection - 250gr (White)
PENTAUSA£14.864.2★
What buyers say about grout reviver
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Reviews seemed good”
“Better than expected”
“Good value”
“Works great”
“chose of colours”
“Easy clean up”
“The white finish looks clean”
“It really does work”
“Clear instructions”
What buyers complain about
“Hard to use”
“Overpriced”
“Terrible product”
“Did not work”
“even harder to clean up afterwards”
“I would not put on too thick of a layer”
“Some pens can break pretty quick”
“its more like a thick paint”
“poor coverage”
“some places were looking darker”
Top return reasons
Common questions
- Is grout reviver profitable to sell on Amazon United Kingdom?
- The niche generates £72K/yr across 10 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -31.4%. Flapen's verdict: Skip it (36/100).
- How competitive is the grout reviver niche?
- 7 brands and 77 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in grout reviver?
- Top complaints mined from reviews: Ease Of Use, Value For Money, Quality-Overall. The return rate is 0.5%.
- When does demand for grout reviver peak?
- Demand peaks in Jan–Feb–Mar–Oct; the busiest month runs 3.5× the quietest.
- What does it cost to enter the grout reviver niche?
- Listings span £3.69–£14.86; the average listing price is £9.06 (sweet spot $15–$100). The average incumbent carries 5,496 reviews — the moat a new listing must climb.