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Door Alarm

a small market ($79K/yr) — Door Alarm doesn't clear our bar today.

Flapen Score

42
Skip it
Market size 20Growth 21Conversion 58Competition 39Returns 59Price range 31Avg price 39Brand share 39Review moat 71Quality gap 76
This niche Category average

Is Door Alarm profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Door Alarm is a £79K/yr Amazon United Kingdom market (150K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 42/100.

Door Alarm: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -7.1% over the last 90 days and 5.0% of searches end in a purchase.

£79K

revenue / yr

Units sold / yr8K
Search volume / yr-7.1%150K
Conversion rate5.0%
Avg price£10.65

Who owns the niche?

The top 5 brands hold 82% of demand, so 19% of the market is open.

19%

open market share

Brands · sellers15 · 36
Top-5 product click share62%
Open market19%
Avg brand age47 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 21 products

Sponsored placement90%
New entrants (1y)4· 0 succeeded
Avg rating4.3★
Avg reviews650

Top Door Alarm 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

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

£0£8K£16K£24K£32K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 falling

Sellers

36

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

62%

Top 20: 99%

Open market

15%

  • TECKNET28%
  • VOXON22%
  • Noopel13%
  • SanJie11%
  • Defender7%
  • TechRise4%
  • Open — no brand owns it (9 brands, 15%)

Door Alarm demand & seasonality

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

Volume150KCVR5.0%Products21Brands15Top 5 Brands82%OOS Rate7.4%Rating4.3★Reviews650Avg BSR#28
5K3KSpike '24Prime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Door Alarm search terms shoppers use

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

  • door alarm58K/yr
  • door alarms when opened44K/yr
  • door sensor alarm19K/yr
  • door alarms12K/yr
  • door alarm sensor13K/yr
  • door handle alarm5K/yr

What reviews say buyers love and hate about Door Alarm

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

What buyers love

77% of reviews
Value For Money14%

Good value for money

Quality-Overall13%

Excellent product

Advertised Vs Actual Product9%

Works as advertised

Noise Level8%

Good, different sounds and really high pitched for the alarm sound

Ease Of Use7%

Easy to use

What buyers complain about

57% of reviews
Noise Level13%

Really loud

Functionality-Overall11%

Doesnt work

Durability8%

broke easily

Quality-Overall7%

Cheap not very good

Size-Overall5%

didn't fit my door frames

Door Alarm return rate & reasons

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

2.7%

Return rate

14%

Fixable by listing

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

1Functionality-Overall
22%
2Compatibility-Overall
17%
3Size-Overall
10%
4Alarm/Timer Accuracy
9%
5Connectivity-Overall
8%

Common Door Alarm questions

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

Flapen scores Door Alarm 42/100 on Amazon United Kingdom — Skip it. The niche generates £79K/yr across 21 tracked products. 0 of 4 products launched in the last 360 days are still selling. Search demand moved -7.1% over the last 90 days.
Search demand for Door Alarm on Amazon United Kingdom is steady year-round — the busiest month runs 1.4× the quietest.