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57

door knocker

Worth a look

Shows a sweet-spot price point ($30.39 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 44Growth 52Conversion 16Competition 88Returns 23Price range 52Avg price 95Brand share 89Review moat 86Quality gap 48

Avg price

Incredible$30.39

avg listing price — sweet spot $15–$100

Brand share

Great46%

top-5 brand share — no brand owns this niche

Competition

Great27%

top-5 click share — an open shelf

Review moat

Great276.53

avg incumbent reviews — the moat a new listing must climb

Growth

Good+23.3%

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

Price range

Good$7.28–$169.39

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$233K

$233K/yr · 598K searches

Returns

Bad5.7%

return rate — above 5% kills the launch gate

Conversion

Bad1.3%

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

According to Flapen's Amazon United States niche tracking, door knocker is a $233K/yr Amazon United States market (598K searches/yr). The top 5 brands hold 46% of demand. Verdict: Worth a look — 57/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

door knocker market data

Units sold / yr
6K–8K
avg 0–100/product
Revenue / yr
$182K–$243K
units × avg price
Conversion rate
1.3%
Avg BSR
#66
Page quality
0%
Prime
92%
Sponsored
78%
Out of stock
4.1%
Avg brand age
51 months
Avg seller age
170 days

Competition & brand share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

40 falling

Sellers

115

Top-5 brand share

46%

Top 20: 88%

Top-5 click share

27%

Top 20: 64%

Open market

48%

  • QCAA15%
  • QWORK8%
  • Renovators Supply Manufacturing8%
  • Shimeyao8%
  • SANATO7%
  • Richelieu6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +23.3% search growth over the last 90 days.
15K10KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top door knocker search terms

  • door knocker220K/yr
  • door knockers for front door132K/yr
  • door knockers50K/yr
  • brass door knocker46K/yr
  • front door knocker18K/yr
  • door knocker with peephole16K/yr
  • vintage door knocker12K/yr
  • gold door knocker13K/yr
  • black door knocker13K/yr
  • unique door knocker10K/yr
All search terms

Top door knocker 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%3%$7K6%$14K9%$21K12%$28K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about door knocker

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

What buyers love

Assembly/Installation15%

“Easy Installation”

Quality-Overall15%

“The door knocker is of great quality”

Design-Overall10%

“The design is very attractive”

Value For Money9%

“Worth to buy”

Efficiency7%

“Bell works good no regret”

Size-Overall5%

“Sizing is accurate”

Strength4%

“Very pretty and sturdy and very easy to install”

Weight Heavy4%

“Heavy duty and easy to install”

Advertised Vs Actual Product4%

“Exactly what I was looking for”

Durability3%

“durable”

What buyers complain about

Functionality-Overall17%

“Lack of functionality”

Quality-Overall9%

“not super well made”

Durability7%

“Stopped working after 6 weeks”

Size-Overall7%

“It is larger than expected”

Assembly/Installation4%

“this one could not be installed the same way”

Instructions/User Manual/Troubleshooting4%

“It didn't come with instructions”

Touch/Button Controls3%

“button aren't a great distance apart”

Battery Life3%

“I though the battery came dead or dying so replaced it”

Strength2%

“Flimsy”

Material Quality2%

“cheap material and it doesn't always work”

Top return reasons

Size-Overall32%
Functionality-Overall19%
Defective Material/Parts6%
Touch/Button Controls5%
Compatibility-Overall5%
Color5%
Range4%
Connectivity-Overall4%
Advertised Vs Actual Product3%
Quality-Overall2%

Common questions

Is door knocker profitable to sell on Amazon United States?
The niche generates $233K/yr across 74 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +23.3%. Flapen's verdict: Worth a look (57/100).
How competitive is the door knocker niche?
40 brands and 115 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 46% of demand.
What do buyers complain about in door knocker?
Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Durability. The return rate is 5.7% — above our launch gate.
When does demand for door knocker peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the door knocker niche?
Listings span $7.28–$169.39; the average listing price is $30.39 (sweet spot $15–$100). The average incumbent carries 277 reviews — the moat a new listing must climb.