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sink overflow cover

Skip it

Prices mostly outside the sweet spot ($2.58–$4.34) — this niche doesn't clear our bar today.

Market size 11Growth 16Conversion 96Competition 26Returns 98Price range 0Avg price 9Brand share 58Review moat 74Quality gap 47

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Incredible12.9%

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

Review moat

Good544.19

avg incumbent reviews — the moat a new listing must climb

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-17.6%

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

Market size

Bad£45K

£45K/yr · 108K searches

Avg price

Bad£3.24

avg listing price — sweet spot $15–$100

Price range

Bad£2.58–£4.34

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

According to Flapen's Amazon United Kingdom niche tracking, sink overflow cover is a £45K/yr Amazon United Kingdom market (108K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Feb. Verdict: Skip it — 42/100.

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

sink overflow cover market data

Units sold / yr
10K–13K
avg 750–1,000/product
Revenue / yr
£32K–£41K
units × avg price
Conversion rate
12.9%
Avg BSR
#79
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
1.9%
Avg brand age
25 months
Avg seller age
217 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

20

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

22%

  • FYACCD29%
  • MOXYOY12%
  • SIYUPU10%
  • Thinp9%
  • BTOPB9%
  • DIAONIAN8%

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -17.6% search growth over the last 90 days.
3K2KSpike '25AprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb · busiest ÷ quietest = 1.5×

Top sink overflow cover search terms

  • sink overflow ring35K/yr
  • sink overflow cover34K/yr
  • basin overflow cover6K/yr
  • bathroom sink overflow cover5K/yr
  • kitchen sink overflow cover5K/yr
  • basin overflow ring4K/yr
  • bathroom sink accessories4K/yr
  • bathroom sink overflow ring5K/yr
  • sink overflow cap4K/yr
  • overflow sink hole cover5K/yr
All search terms

Top sink overflow cover 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.

0%10%£5K20%£9K30%£14K40%£18K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about sink overflow cover

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

What buyers love

Size-Overall35%

“Brilliant fit”

Value For Money16%

“Good price”

Quality-Overall14%

“Excellent Quality and Easy to install”

Advertised Vs Actual Product12%

“As described”

Design-Overall4%

“very nice looking”

Ease Of Use4%

“Easy”

Brightness/Shine/Glow2%

“Nice and shiny”

Ease Of Cleaning2%

“easy to clean”

Assembly/Installation1%

“Easy to install”

Strength1%

“Solid product”

What buyers complain about

Size-Overall37%

“Didn't fit”

Quality-Overall11%

“Poor quality - break quickly”

Drainage7%

“However, when I tested it in my sink, it would not drain water fast enough to prevent an overflow”

Durability7%

“Break really quickly”

Material Quality6%

“Cheap and plasticky”

Leak-Proof5%

“Overflow Rings”

Value For Money3%

“Cheap”

Rusts/Corrodes2%

“gets rusty quickly”

Color2%

“Awful and cheap - after only a matter of days the plastic has lost its colour and started to degrade”

Top return reasons

Size-Overall76%
Quality-Overall12%
Strength4%
Compatibility-Overall2%
Defective Material/Parts2%
Material Quality1%
Paint Quality1%
Functionality-Overall1%
Drainage1%
Grip1%

Common questions

Is sink overflow cover profitable to sell on Amazon United Kingdom?
The niche generates £45K/yr across 16 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -17.6%. Flapen's verdict: Skip it (42/100).
How competitive is the sink overflow cover niche?
15 brands and 20 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in sink overflow cover?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Drainage. The return rate is 0.5%.
When does demand for sink overflow cover peak?
Demand peaks in Feb; the busiest month runs 1.5× the quietest.
What does it cost to enter the sink overflow cover niche?
Listings span £2.58–£4.34; the average listing price is £3.24 (sweet spot $15–$100). The average incumbent carries 544 reviews — the moat a new listing must climb.