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Plumb Tub

Fail

Demand is soft, at -50.6% this quarter, so Plumb Tub is a Fail.

Flapen Score
28
28 / 100
Ranks 2,203 of 2,225 DIY & Tools niches · −21 vs the category median of 49
Market size
£47K/yr34K searches / yr
90-day growth
-50.6%search demand this quarter
Competition
100%top-5 click share · 4 brands · 13 sellers

Flapen Score

Plumb Tub against its category

The dotted line is the DIY & Tools average. Past it, Plumb Tub is stronger. Inside it, weaker.

28Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Plumb Tub market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Plumb Tub 34K times last year and spent an estimated £47K. All 4 brands take every click. Demand peaks in Jan–Feb–Oct–Nov. Flapen scores it 28 out of 100, a Fail.

01 · Demand

An estimated 14.4% of those searches ended in a purchase.

Shoppers searched for this 34K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 14.4% of those searches ended in a purchase. Searches in the last 90 days moved -50.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated £47K a year.

Searches, last 12 months
34K
Growth, 90 days vs prior 90
-50.6%
Conversion, latest week
14.4%
Market size, estimated
£47Ka year
Peak month
November3.1× the quietest month
Top search term
plumb tub18K searches a year

02 · Price

A sale here is worth £9.56.

Listings sell for £9.56 on average, from £8.27 to £11.09. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 500 to 750 of them. At £9.56 that is £5K to £7K a year per listing.

Average price
£9.56under the $15 to $100 sweet spot
Price range
£8.27–£11.09
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
500–750
Revenue per listing a year
£5K–£7K
Returns
0.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 13.2% of listings are out of stock. The average listing ranks #70 within Building Supplies. It carries 1,050 reviews at 4.60 stars, so a new listing needs social proof before a better product.

Sponsored listings
75%
Prime listings
100%
Out of stock, average day
13.2%
Average rank
#70in Building Supplies
Average rating
4.60 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,050per listing
Listings tracked
4

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 57 months on average, so the names here are settling in.

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

Products

Top Plumb Tub 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 100% of clicks. A locked shelf that new listings rarely crack.

£0£5K£9K£14K£19K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

13

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

100%

Top 20: 100%

Open market

0%

  • Todays Tools39%
  • SPI36%
  • Heatlab20%
  • LavaTap5%
  • Open — no brand owns it (0%)

Demand

Plumb Tub search demand

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

1K750Spike '25DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 3.1×

Search terms

Top Plumb Tub search terms shoppers use

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

  • plumb tub18K/yr
  • radiator drain tray8K/yr
  • radiator bucket3K/yr
  • radiator water catcher5K/yr

Reviews and returns

What reviews say buyers love and hate about Plumb Tub

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

24%of positive reviews mention “Ease Of Use”
40%of negative reviews mention “Leak-Proof”
0.5%of orders come back
“Water leak that help with item”
A buyer, on “Leak-Proof”40% 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.

16 topics

NegativePositive

FAQ

Common Plumb Tub 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