- Flapen Score
- 44 / 100Ranks 4,195 of 5,777 Home & Garden niches · −7 vs the category median of 5144
- Market size
- £67K/yr30K searches / yr
- 90-day growth
- -27.8%search demand this quarter
- Competition
- 89%top-5 click share · 2 brands · 14 sellers
Flapen Score
Block Blitz against its category
The dotted line is the Home & Garden average. Past it, Block Blitz is stronger. Inside it, weaker.
Market
The Block Blitz market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Block Blitz 30K times last year and spent an estimated £67K. All 2 brands take every click. Flapen scores it 44 out of 100, a Fail.
01 · Demand
11.4% of searches ended in a purchase last week.
Shoppers searched for this 30K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 11.4% of those searches ended in a purchase. Searches in the last 90 days moved -27.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £67K a year.
- Searches, last 12 months
- 30K
- Growth, 90 days vs prior 90
- -27.8%
- Conversion, latest week
- 11.4%
- Market size, estimated
- £67Ka year
- Top search term
- block blitz23K searches a year
02 · Price
A sale here is worth £19.59.
Listings sell for £19.59 on average, from £10.27 to £33.33. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 250 to 500 of them. At £19.59 that is £5K to £10K a year per listing.
- Average price
- £19.59inside the $15 to $100 sweet spot
- Price range
- £10.27–£33.33
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £5K–£10K
- Returns
- 0.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
57% of listings pay for placement with sponsored ads. 29% ship with Prime. On an average day, 20.5% of listings are out of stock. The average listing ranks #122 within Plant Protection & Pest Control. It carries 312 reviews at 4.33 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 57%
- Prime listings
- 29%
- Out of stock, average day
- 20.5%
- Average rank
- #122in Plant Protection & Pest Control
- Average rating
- 4.33 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 312per listing
- Listings tracked
- 7
04 · Newcomers
Amazon counts 0 of last year's 2 launches as successful.
2 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Block Blitz products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Block Blitz Block Paving Eco Cleaner. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. 6 x Pouches. Treats 30 sq/m.
- Price
- £19.68
- Rating
- 4.5/5
- Reviews
- 282
- Age
- 1y ago

Block Blitz Block Paving Eco Cleaner. 8x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 120 sq/m.
- Price
- £25.64
- Rating
- 4.3/5
- Reviews
- 956
- Age
- 5y ago

Block Blitz Block Paving Eco Cleaner Treatment: 10 x 390g Pouches Removes and Prevents Algae Moss Black Spot and Weed Growth on 150 Sq/m of Paving
- Price
- £33.33
- Rating
- 4.5/5
- Reviews
- 298
- Age
- 7y ago

BB Block Blitz Original Eco Block Paving & Patio Decking Cleaner Weed Moss & Algae Remover Sachets Biodegradable Outdoor Cleaner (Pack 1 (2 sachets))
- Price
- £10.27
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 7mo ago

Block Blitz Block Paving Eco Cleaner. 4x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 60 sq/m.
- Price
- £15.68
- Rating
- 4.2/5
- Reviews
- 305
- Age
- 5y ago
Trending
90-day click momentum
Block Blitz Block Paving Eco Cleaner. 4x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 60 sq/m.
- Price
- £15.68
- Rating
- 4.2/5
- Reviews
- 305
- Age
- 5y ago

BB Block Blitz Original Eco Block Paving & Patio Decking Cleaner Weed Moss & Algae Remover Sachets Biodegradable Outdoor Cleaner (Pack 1 (2 sachets))
- Price
- £10.27
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 7mo ago

Block Blitz Block Paving Eco Cleaner. 8x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 120 sq/m.
- Price
- £25.64
- Rating
- 4.3/5
- Reviews
- 956
- Age
- 5y ago

BB Block Blitz Original Eco Block Paving & Patio Decking Cleaner Weed Moss & Algae Remover Sachets Biodegradable Outdoor Cleaner Pack of 2 (4 Sachets)
- Price
- £16.16
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 7mo ago

Block Blitz Block Paving Eco Cleaner Treatment: 10 x 390g Pouches Removes and Prevents Algae Moss Black Spot and Weed Growth on 150 Sq/m of Paving
- Price
- £33.33
- Rating
- 4.5/5
- Reviews
- 298
- Age
- 7y ago
Newest
by launch date
BB Block Blitz Original Eco Block Paving & Patio Decking Cleaner Weed Moss & Algae Remover Sachets Biodegradable Outdoor Cleaner (Pack 1 (2 sachets))
- Price
- £10.27
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 7mo ago

BB Block Blitz Original Eco Block Paving & Patio Decking Cleaner Weed Moss & Algae Remover Sachets Biodegradable Outdoor Cleaner Pack of 2 (4 Sachets)
- Price
- £16.16
- Rating
- 4.2/5
- Reviews
- 13
- Age
- 7mo ago

Block Blitz Block Paving Eco Cleaner. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. 6 x Pouches. Treats 30 sq/m.
- Price
- £19.68
- Rating
- 4.5/5
- Reviews
- 282
- Age
- 1y ago

Block Blitz Block Paving Eco Cleaner. 8x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 120 sq/m.
- Price
- £25.64
- Rating
- 4.3/5
- Reviews
- 956
- Age
- 5y ago

Block Blitz Block Paving Eco Cleaner. 4x 390g Pouches. Removes and Prevents Algae Moss and Black Spot. Deters Weed Growth for up to 6 Months. Treats 60 sq/m.
- Price
- £15.68
- Rating
- 4.2/5
- Reviews
- 305
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 89% of clicks. A locked shelf that new listings rarely crack.
Brands
2 rising
Sellers
14
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- Block Blitz79%
- DTD QUALITY MATTERS21%
- Open — no brand owns it (0%)
Demand
Block Blitz search demand
Weekly searches over the year. Pick a range.
Reviews and returns
What reviews say buyers love and hate about Block Blitz
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
However, followed instructions to the letter & made no difference to my drive & patio whatsoever
Be careful when opening
did not do a very good job on my very old slabs
Its a lot of money to spend to make something look worse
Why has this turned my white stones a dirty brown
Love
Easy to use
Block bloat easy to use
Easy to use no mess I did buy the block blitz watering can which holds ten litres of water just tip the packet in stir and pour
Used previous does the job properly
Works well
Works fine for me
Does everything it says
Does what it says on the packet
does what its supposed to
Patio cleaner
We find it does a great job of cleaning the driveway
they really get it clean without any scrubbing
Excellent product
Very good product
Fantastic product
Return
0.0% Return rate 7% Fixable by listing
did not do a very good job on my very old slabs
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Block Blitz questions
Answered from the same tracked data.









