Composite Decking Cleaner
FailDemand is soft, at -32.4% this quarter, so Composite Decking Cleaner is a Fail.
- Flapen Score
- 44 / 100Ranks 1,743 of 2,976 Grocery niches · −2 vs the category median of 4644
- Market size
- £43K/yr42K searches / yr
- 90-day growth
- -32.4%search demand this quarter
- Competition
- 76%top-5 click share · 10 brands · 29 sellers
Flapen Score
Composite Decking Cleaner against its category
The dotted line is the Grocery average. Past it, Composite Decking Cleaner is stronger. Inside it, weaker.
Market
The Composite Decking Cleaner market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Composite Decking Cleaner 42K times last year and spent an estimated £43K. The top 5 brands take 91% of clicks. Demand peaks in Mar–Apr–May. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 8.1% of those searches ended in a purchase.
Shoppers searched for this 42K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.1% of those searches ended in a purchase. Searches in the last 90 days moved -32.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £43K a year.
- Searches, last 12 months
- 42K
- Growth, 90 days vs prior 90
- -32.4%
- Conversion, latest week
- 8.1%
- Market size, estimated
- £43Ka year
- Peak month
- March16.7× the quietest month
- Top search term
- composite decking cleaner40K searches a year
02 · Price
A sale here is worth £12.67.
Listings sell for £12.67 on average, from £5.38 to £27.87. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 250 to 500 of them. At £12.67 that is £3K to £6K a year per listing.
- Average price
- £12.67under the $15 to $100 sweet spot
- Price range
- £5.38–£27.87
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 250–500
- Revenue per listing a year
- £3K–£6K
- Returns
- 0.1%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. 50% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #187 within Household Cleaners. It carries 289 reviews at 4.15 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 57%
- Prime listings
- 50%
- Out of stock, average day
- 0.0%
- Average rank
- #187in Household Cleaners
- Average rating
- 4.15 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 289per listing
- Listings tracked
- 14
04 · Newcomers
0 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 70 months on average, so the names here are established.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 70 months
Products
Top Composite Decking Cleaner products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Rustins Composite Decking Cleaner - Effective Mold and Mildew Remover | Deep Cleaning Solution for Decks Patios and Outdoor Spaces 4 litre
- Price
- £10.26
- Rating
- 4.0/5
- Reviews
- 581
- Age
- 5y ago

Furniture Clinic Composite Decking Cleaner 5L Quick Acting Cleaning Formula Cleans Green Algae and Mould - Use one Plastic Sheds and Fences
- Price
- £16.09
- Rating
- 3.9/5
- Reviews
- 89
- Age
- 2y ago

Chemical Trade Store - Composite Decking Cleaner | Plastic UPVC Deck Algae and Mould Remover - Removes Dirt Grime and Bird Droppings - 2.5 Litre
- Price
- £7.82
- Rating
- 4.2/5
- Reviews
- 94
- Age
- 1y ago

Chemical Trade Store - Composite Decking Cleaner - Plastic UPVC Deck Algae and Mould Remover - Removes Dirt Grime and Bird Droppings - 5 Litre
- Price
- £10.23
- Rating
- 4.2/5
- Reviews
- 94
- Age
- 1y ago

HLS Supplies 10L Composite Plastic Decking Cleaner and Reviver & Aftercare Pack - Deck Algae and Mould Remover - Removes Dirt Grime and Bird Droppings
- Price
- £27.87
- Rating
- 4.3/5
- Reviews
- 427
- Age
- 6y ago
Trending
estimated 90-day click momentum
Dunnet Tools 5L Composite Decking Cleaner Fast Acting Decking & Outdoor Patio Cleaner Heavy Duty Deep Clean Formula Stain & Mould Remover To Remove Dirt Mould Mildew Algae Moss & Black Spots
- Price
- £8.03
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

5L Composite Decking Cleaner Furniture & Fencing Reviver Removes Dirt Grime & Bird Droppings
- Price
- £10.05
- Rating
- 3.5/5
- Reviews
- 3
- Age
- 3mo ago

Chemical Trade World - Composite Decking Cleaner 5L - Rinse-Off Cleaning Solution for Composite & Plastic Decking - Removes Dirt Algae Marks & Surface Build-Up
- Price
- £10.74
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 5mo ago

Caravan King - Heavy-Duty Deck Cleaner - Algae & Mould Remover for Wood & Composite Surfaces Ideal for Decks & Patios Safe 1L Formula Fast-Acting Easy Application
- Price
- £5.38
- Rating
- 4.2/5
- Reviews
- 75
- Age
- 4y ago

HLS Supplies 1L Composite Plastic Decking Cleaner and Reviver - Removes Dirt Grime and Bird Droppings
- Price
- £8.95
- Rating
- 4.2/5
- Reviews
- 817
- Age
- 6y ago
Newest
by launch date
5L Composite Decking Cleaner Furniture & Fencing Reviver Removes Dirt Grime & Bird Droppings
- Price
- £10.05
- Rating
- 3.5/5
- Reviews
- 3
- Age
- 3mo ago

Dunnet Tools 5L Composite Decking Cleaner Fast Acting Decking & Outdoor Patio Cleaner Heavy Duty Deep Clean Formula Stain & Mould Remover To Remove Dirt Mould Mildew Algae Moss & Black Spots
- Price
- £8.03
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

Chemical Trade World - Composite Decking Cleaner 5L - Rinse-Off Cleaning Solution for Composite & Plastic Decking - Removes Dirt Algae Marks & Surface Build-Up
- Price
- £10.74
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 5mo ago

Pro-Kleen Ultimate Composite Decking Cleaner 2 x 5L Simply Spray & Walk Away Free From Acid & Bleach Concentrated Mix 5:1 Covers 480sq Metres Prevents Algae Mould and Dirt Pet & Child Safe Once Dry
- Price
- £20.75
- Rating
- 3.8/5
- Reviews
- 12
- Age
- 1y ago

Chemical Trade Store - Composite Decking Cleaner | Plastic UPVC Deck Algae and Mould Remover - Removes Dirt Grime and Bird Droppings - 2.5 Litre
- Price
- £7.82
- Rating
- 4.2/5
- Reviews
- 94
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
10 flat
Sellers
29
Est. top-5 brand share
91%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
7%
- RUSTINS29%
- Furniture Clinic22%
- Chemical Trade Store20%
- HLS Supplies17%
- Caravan King4%
- Pro-Kleen2%
- Open — no brand owns it (4 brands, 7%)
Demand
Composite Decking Cleaner search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May · busiest ÷ quietest = 16.7×
Reviews and returns
What reviews say buyers love and hate about Composite Decking Cleaner
We read the reviews and the return reasons for every product selling here.
“Does not resolve”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Composite Decking Cleaner questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









