Is plumb tub profitable to sell on Amazon United Kingdom?

The niche generates £47K/yr across 4 tracked products. 90-day search growth is -50.6%. Flapen's verdict: Skip it (28/100).

How competitive is the plumb tub niche?

4 brands and 13 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in plumb tub?

Top complaints mined from reviews: Leak-Proof, Strength, Size-Overall. The return rate is 0.5%.

When does demand for plumb tub peak?

Demand peaks in Jan–Feb–Oct–Nov; the busiest month runs 3.1× the quietest.

What does it cost to enter the plumb tub niche?

Listings span £8.27–£11.09; the average listing price is £9.56 (sweet spot $15–$100). The average incumbent carries 1,050 reviews — the moat a new listing must climb.

plumb tub

Skip it

Soft demand (-50.6% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Incredible14.4%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,049.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay£9.56

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad£47K

£47K/yr · 34K searches

Growth

Bad-50.6%

90-day search growth — must beat 0% to launch

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£8.27–£11.09

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, plumb tub is a £47K/yr Amazon United Kingdom market (34K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Oct–Nov. Verdict: Skip it — 28/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

plumb tub market data

Units sold / yr: 3K–4K; avg 500–750/product
Revenue / yr: £29K–£38K; units × avg price
Conversion rate: 14.4%
Avg BSR: #70
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 13.2%
Avg brand age: 57 months
Avg seller age: 188 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

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

Demand & seasonality

Weekly Amazon search volume, last 86 weeks — -50.6% search growth over the last 90 days.

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

Open Trend

Top plumb tub search terms

plumb tub18K/yr -48.5%12.1% conv.
radiator drain tray8K/yr -54.7%11.1% conv.
radiator bucket3K/yr -49.4%10.2% conv.
radiator water catcher5K/yr -53.3%6.8% conv.

All search terms

Top plumb tub products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Todays Tools Plumb Tub

Todays Tools£8.274.7★2,492 rev

Plumb Tub - SPI Radiator Draining Tub - Supplied in SPI Green

SPI£9.254.7★1,402 rev

Heatlab UK Ultimate Plumb Tub 2.0 XL High Capacity Plumbers Tub

Heatlab£11.094.5★225 rev

LavaTap Plumb Tub Flexible Radiator Drain Tray Plumbers Bucket & Water Catcher for Pipe Work | Plumbing Tools Bleeding Kit Radiator Maintenance Tool

LavaTap£9.644.5★79 rev

Newest

by launch date

LavaTap Plumb Tub Flexible Radiator Drain Tray Plumbers Bucket & Water Catcher for Pipe Work | Plumbing Tools Bleeding Kit Radiator Maintenance Tool

LavaTap£9.6479 rev

1y ago

Heatlab UK Ultimate Plumb Tub 2.0 XL High Capacity Plumbers Tub

Heatlab£11.09225 rev

1y ago

Todays Tools Plumb Tub

Todays Tools£8.272,492 rev

5y ago

Plumb Tub - SPI Radiator Draining Tub - Supplied in SPI Green

SPI£9.251,402 rev

9y ago

What buyers say about plumb tub

What buyers praise and complain about, mined from review topics.

What buyers love

Ease Of Use24%

“Easy to use”

Quality-Overall21%

“Excellent product”

Value For Money14%

“Good value product”

Advertised Vs Actual Product14%

“Does the job”

Leak-Proof7%

“Best for small leaks”

Storage Capacity3%

“a good two litres capacity”

Size-Overall3%

“Fits snugly around the pipe”

Durability2%

“Really good product, wish I had bought one years ago, durable and fitted perfectly around the pipe”

Flexibility2%

“Incredibly flexible and suitable for a range of radiator pipes”

Efficiency2%

“Works surprisingly well”

What buyers complain about

Leak-Proof40%

“Water leak that help with item”

Strength30%

“rather flimsy so don't over fill it”

Size-Overall20%

“Too small”

Top return reasons

Size-Overall30%

Compatibility-Overall16%

Strength12%

Functionality-Overall10%

Advertised Vs Actual Product8%

Quality-Overall4%

Water Resistance4%

Defective Material/Parts4%

Maintenance And Repair4%

Leak-Proof4%

Common questions

Is plumb tub profitable to sell on Amazon United Kingdom?: The niche generates £47K/yr across 4 tracked products. 90-day search growth is -50.6%. Flapen's verdict: Skip it (28/100).
How competitive is the plumb tub niche?: 4 brands and 13 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in plumb tub?: Top complaints mined from reviews: Leak-Proof, Strength, Size-Overall. The return rate is 0.5%.
When does demand for plumb tub peak?: Demand peaks in Jan–Feb–Oct–Nov; the busiest month runs 3.1× the quietest.
What does it cost to enter the plumb tub niche?: Listings span £8.27–£11.09; the average listing price is £9.56 (sweet spot $15–$100). The average incumbent carries 1,050 reviews — the moat a new listing must climb.