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Thompsons Water Seal

Fail

The top 5 brands take 100% of clicks, so Thompsons Water Seal is a Fail.

Flapen Score
42
42 / 100
Ranks 1,704 of 2,225 DIY & Tools niches · −7 vs the category median of 49
Market size
£59K/yr20K searches / yr
90-day growth
+5.3%search demand this quarter
Competition
97%top-5 click share · 3 brands · 40 sellers

Flapen Score

Thompsons Water Seal against its category

The dotted line is the DIY & Tools average. Past it, Thompsons Water Seal is stronger. Inside it, weaker.

42Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Thompsons Water Seal market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Thompsons Water Seal 20K times last year and spent an estimated £59K. All 3 brands take every click. Demand peaks in Aug–Sep. Flapen scores it 42 out of 100, a Fail.

01 · Demand

15.7% of searches ended in a purchase last week.

Shoppers searched for this 20K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 15.7% of those searches ended in a purchase. Searches in the last 90 days moved +5.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £59K a year.

Searches, last 12 months
20K
Growth, 90 days vs prior 90
+5.3%
Conversion, latest week
15.7%
Market size, estimated
£59Ka year
Peak month
August2.7× the quietest month
Top search term
thompsons water seal17K searches a year

02 · Price

A sale here is worth £18.48.

Listings sell for £18.48 on average, from £10.76 to £34.29. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 250 to 500 of them. At £18.48 that is £5K to £9K a year per listing.

Average price
£18.48inside the $15 to $100 sweet spot
Price range
£10.76–£34.29
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
£5K–£9K
Returns
0.6%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

17% of listings pay for placement with sponsored ads. 67% ship with Prime. On an average day, 2.2% of listings are out of stock. The average listing ranks #524 within Adhesives & Sealers. It carries 1,284 reviews at 4.47 stars, so a new listing needs social proof before a better product.

Sponsored listings
17%
Prime listings
67%
Out of stock, average day
2.2%
Average rank
#524in Adhesives & Sealers
Average rating
4.47 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,284per listing
Listings tracked
6

04 · Newcomers

Brands here are established.

The brands on the shelf have sold for 61 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
61 months

Products

Top Thompsons Water Seal products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 97% of clicks. A locked shelf that new listings rarely crack.

£0£9K£18K£26K£35K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

3 falling

Sellers

40

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • Thompson's60%
  • Ronseal34%
  • SAFEGUARD6%

Demand

Thompsons Water Seal search demand

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

700500Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 2.7×

Reviews and returns

What reviews say buyers love and hate about Thompsons Water Seal

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall50%−0.20

Did not work at all

Value For Money50%−0.16

Waste of time and money

Love

Quality-Overall29%+1.10

Good product did what was needed

Quality item

Great product

Advertised Vs Actual Product15%+1.21

does the job

Works as it says

As described

Value For Money10%−0.16

good value for money

Good value

good for value

Water Resistance10%+0.75

it waterproofs the wall

Good product, used to waterproof new birdbath, worked as expected

Water resistant

Ease Of Use9%+0.65

Easy to use

Applied easily

Easy to use and effective

Return

0.6% Return rate 14% Fixable by listing

Paint Quality37%▁▁▁█▆▆
Functionality-Overall11%▁█▁▁▄▁

Did not work at all

Size-Overall7%▁▁▁▆█▁
Certifications7%▁▁█▅▁▁
Leak-Proof7%▁▁█▁▁▃

FAQ

Common Thompsons Water Seal questions

Answered from the same tracked data.