Skip to content

Ronseal 3 in 1 Mould Killer

Fail

Demand is soft, at -60.8% this quarter, so Ronseal 3 in 1 Mould Killer is a Fail.

Flapen Score
35
35 / 100
Ranks 2,091 of 2,225 DIY & Tools niches · −14 vs the category median of 49
Market size
£29K/yr15K searches / yr
90-day growth
-60.8%search demand this quarter
Competition
87%top-5 click share · 4 brands · 44 sellers

Flapen Score

Ronseal 3 in 1 Mould Killer against its category

The dotted line is the DIY & Tools average. Past it, Ronseal 3 in 1 Mould Killer is stronger. Inside it, weaker.

35Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Ronseal 3 in 1 Mould Killer market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Ronseal 3 in 1 Mould Killer 15K times last year and spent an estimated £29K. All 4 brands take every click. Demand peaks in Jan–Feb–Nov–Dec. Flapen scores it 35 out of 100, a Fail.

01 · Demand

An estimated 11.5% of those searches ended in a purchase.

Shoppers searched for this 15K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 11.5% of those searches ended in a purchase. Searches in the last 90 days moved -60.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £29K a year.

Searches, last 12 months
15K
Growth, 90 days vs prior 90
-60.8%
Conversion, latest week
11.5%
Market size, estimated
£29Ka year
Peak month
January4.3× the quietest month
Top search term
dryzone mould remover9K searches a year

02 · Price

A sale here is worth £17.25.

Listings sell for £17.25 on average, from £4.19 to £51.72. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 250 to 500 of them. At £17.25 that is £4K to £9K a year per listing.

Average price
£17.25inside the $15 to $100 sweet spot
Price range
£4.19–£51.72
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
2K–3K
Units per listing a year
250–500
Revenue per listing a year
£4K–£9K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #49 within Painting Supplies, Tools & Wall Treatments. It carries 6,437 reviews at 4.49 stars, so a new listing needs social proof before a better product.

Sponsored listings
89%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#49in Painting Supplies, Tools & Wall Treatments
Average rating
4.49 starsAmazon United Kingdom average 4.36 stars
Average reviews
6,437per listing
Listings tracked
9

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 64 months on average, so the names here are established.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
64 months

Products

Top Ronseal 3 in 1 Mould Killer 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 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 87% of clicks. A locked shelf that new listings rarely crack.

£0£4K£9K£13K£18K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 flat

Sellers

44

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

87%

Top 20: 100%

Open market

0%

  • Dryzone83%
  • Polar Specialist Coatings6%
  • HG6%
  • Pro-Kleen5%
  • Open — no brand owns it (0%)

Demand

Ronseal 3 in 1 Mould Killer search demand

Weekly searches over the year, seasonality beneath. Pick a range.

1K600Spike '24Black Friday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 4.3×

Search terms

Top Ronseal 3 in 1 Mould Killer search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • dryzone mould remover9K/yr
  • damp spray3K/yr
  • dry zone mould remover2K/yr

Reviews and returns

What reviews say buyers love and hate about Ronseal 3 in 1 Mould Killer

We read the reviews and the return reasons for every product selling here.

16%of positive reviews mention “Quality-Overall”
23%of negative reviews mention “Smell”
0.3%of orders come back
“Smell is awful”
A buyer, on “Smell”23% of negative reviews mention the same topic

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.

17 topics

NegativePositive

FAQ

Common Ronseal 3 in 1 Mould Killer 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