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52

brick acid

Worth a look

Shows low returns (0.2%), but a concentrated shelf (top 5 take 82% of clicks) keeps it on the watch list.

Market size 29Growth 39Conversion 83Competition 15Returns 99Price range 63Avg price 54Brand share 31Review moat 72Quality gap 86

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great8.9%

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

Review moat

Good616.83

avg incumbent reviews — the moat a new listing must climb

Price range

Good£6.81–£29.12

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

Avg price

Good£12.54

avg listing price — sweet spot $15–$100

Growth

Okay+11.2%

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

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Market size

Okay£126K

£126K/yr · 113K searches

Competition

Bad82%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, brick acid is a £126K/yr Amazon United Kingdom market (113K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Apr–May–Aug–Sep. Verdict: Worth a look — 52/100.

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

brick acid market data

Units sold / yr
10K–13K
avg 750–1,000/product
Revenue / yr
£125K–£157K
units × avg price
Conversion rate
8.9%
Avg BSR
#577
Page quality
0%
Prime
33%
Sponsored
92%
Out of stock
0.6%
Avg brand age
63 months
Avg seller age
181 days

Competition & brand share

The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 rising

Sellers

45

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

10%

  • Sika40%
  • FILA Surface Care Solutions20%
  • Hometric17%
  • Stonecare4u5%
  • EDE Group4%
  • Households Direct4%
  • Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.2% search growth over the last 90 days.
5K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, May, Aug, Sep · busiest ÷ quietest = 2.6×

Top brick acid search terms

  • brick acid58K/yr
  • brick cleaner27K/yr
  • brick acid cleaner13K/yr
  • brick cleaner for exterior7K/yr
  • brick acid cleaner strong5K/yr
  • brick and patio cleaner4K/yr
All search terms

Top brick acid 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%£13K20%£25K30%£38K40%£50K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about brick acid

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

What buyers love

Quality-Overall19%

“Excellent Product”

Ease Of Cleaning18%

“Cleans”

Value For Money17%

“Excellent value for money”

Advertised Vs Actual Product10%

“this does the job”

Ease Of Use6%

“Easy to use”

Efficiency6%

“So this stuff is reasonably potent in my view for my needs”

Stain Resistance3%

“Did not have much affect on the cement stains”

Product Condition2%

“they are like new”

Strength2%

“Strong stuff”

Instructions/User Manual/Troubleshooting2%

“Followed instructions and applied neat via spray”

What buyers complain about

Functionality-Overall33%

“Didn't work”

Value For Money16%

“A pity it is so expensive though”

Instructions/User Manual/Troubleshooting7%

“Disappointing outcome after following the instructions to the letter”

Strength6%

“Not strong enough”

Ease Of Use4%

“Its not as good as I had to work hard”

Stain Resistance4%

“Not working, left white stain on wall after use”

Dilute/Watery3%

“At concentration 2.5 - <10 % it is diluted and not concentrated”

Size-Overall3%

“smaller container then expected”

Quality-Overall3%

“rubbish”

Smell3%

“The smell isn't great”

Top return reasons

Functionality-Overall38%
Leak-Proof13%
Size-Overall11%
Defective Material/Parts5%
Strength5%
Advertised Vs Actual Product5%
Compatibility-Overall5%
Ease Of Cleaning3%
Color2%
Value For Money2%

Common questions

Is brick acid profitable to sell on Amazon United Kingdom?
The niche generates £126K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +11.2%. Flapen's verdict: Worth a look (52/100).
How competitive is the brick acid niche?
11 brands and 45 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in brick acid?
Top complaints mined from reviews: Functionality-Overall, Value For Money, Instructions/User Manual/Troubleshooting. The return rate is 0.2%.
When does demand for brick acid peak?
Demand peaks in Apr–May–Aug–Sep; the busiest month runs 2.6× the quietest.
What does it cost to enter the brick acid niche?
Listings span £6.81–£29.12; the average listing price is £12.54 (sweet spot $15–$100). The average incumbent carries 617 reviews — the moat a new listing must climb.