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Kitchen Sink

Kitchen Sink shows beatable incumbent ratings (4.1★), but weak search conversion (0.5%) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 51Growth 17Conversion 6Competition 85Returns 52Price range 22Avg price 81Brand share 60Review moat 76Quality gap 90
This niche Category average

Is Kitchen Sink profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Kitchen Sink is a £296K/yr Amazon United Kingdom market (775K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 53/100.

Kitchen Sink: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -16.6% over the last 90 days and 0.5% of searches end in a purchase.

£296K

revenue / yr

Units sold / yr4K
Search volume / yr-16.6%775K
Conversion rate0.5%
Avg price£82.94

Who owns the niche?

The top 5 brands hold 69% of demand, so 31% of the market is open.

31%

open market share

Brands · sellers29 · 38
Top-5 product click share30%
Open market31%
Avg brand age37 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.1★ — the gap to enter on.

0/100

page quality · 65 products

Sponsored placement85%
New entrants (1y)11· 0 succeeded
Avg rating4.1★
Avg reviews488

Top Kitchen Sink products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.

£0£9K£18K£27K£35K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

29 rising

Sellers

38

Top-5 brand share

69%

Top 20: 95%

Top-5 click share

30%

Top 20: 66%

Open market

26%

  • Liquida39%
  • Dihl9%
  • NBYTLT9%
  • SÄUBER7%
  • VELPAX6%
  • RUMO RELIABLE & MODERN5%

Kitchen Sink demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume775KCVR0.5%Products65Brands29Top 5 Brands69%OOS Rate16.3%Rating4.1★Reviews488Avg BSR#98
25K15KSpike '24Prime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top Kitchen Sink search terms shoppers use

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

  • kitchen sink336K/yr
  • sink135K/yr
  • kitchen sinks65K/yr
  • black kitchen sink57K/yr
  • black sink49K/yr
  • stainless steel sink30K/yr
  • stainless steel kitchen sink13K/yr
  • kitchen sink stainless steel11K/yr
  • sinks11K/yr
  • sink kitchen11K/yr

What reviews say buyers love and hate about Kitchen Sink

What buyers mention most, as a share of all reviews.

What buyers love

81% of reviews
Quality-Overall24%

The build quality is excellent

Value For Money17%

Excellent value for money

Size-Overall11%

Fits perfectly and looks great

Assembly/Installation10%

it all assembled quickly

Design-Overall4%

it looks lovely

What buyers complain about

68% of reviews
Quality-Overall18%

Poor Quality

Leak-Proof12%

it is leaking already

Durability9%

Doesn't last

Spray/Flow7%

Bad flow rate

Size-Overall4%

fitments could be better

Kitchen Sink return rate & reasons

Why buyers send it back, as a share of all return requests.

2.9%

Return rate

54%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
42%
2Quality-Overall
10%
3Leak-Proof
7%
4Compatibility-Overall
6%
5Material Quality
6%

Common Kitchen Sink questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Kitchen Sink 53/100 on Amazon United Kingdom — Worth a look. The niche generates £296K/yr across 65 tracked products. 0 of 11 products launched in the last 360 days are still selling. Search demand moved -16.6% over the last 90 days.
Search demand for Kitchen Sink on Amazon United Kingdom is steady year-round — the busiest month runs 1.5× the quietest.