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33

pir

Skip it

Soft demand (-22.2% this quarter) — this niche doesn't clear our bar today.

Market size 20Growth 14Conversion 23Competition 31Returns 46Price range 14Avg price 39Brand share 31Review moat 50Quality gap 78

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Okay1,549.47

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Avg price

Okay£10.63

avg listing price — sweet spot $15–$100

Competition

Okay66%

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

Brand share

Okay86%

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

Conversion

Bad1.8%

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

Market size

Bad£79K

£79K/yr · 409K searches

Growth

Bad-22.2%

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

Price range

Bad£6.97–£16.26

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

According to Flapen's Amazon United Kingdom niche tracking, pir is a £79K/yr Amazon United Kingdom market (409K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Nov. Verdict: Skip it — 33/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

pir market data

Units sold / yr
10K–13K
avg 500–750/product
Revenue / yr
£106K–£133K
units × avg price
Conversion rate
1.8%
Avg BSR
#42
Page quality
0%
Prime
100%
Sponsored
65%
Out of stock
1.1%
Avg brand age
46 months
Avg seller age
169 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 falling

Sellers

35

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

10%

  • Tapo37%
  • SEBSON23%
  • Maclean11%
  • Luceco9%
  • LOWENERGIE7%
  • SONOFF4%
  • Open — no brand owns it (4 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.2% search growth over the last 90 days.
13K8KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov · busiest ÷ quietest = 1.6×

Top pir search terms

  • pir175K/yr
  • motion sensor58K/yr
  • pir sensor45K/yr
  • pir sensor outdoor34K/yr
  • tapo motion sensor20K/yr
  • sensor12K/yr
  • pir motion sensor10K/yr
  • pir sensor indoor9K/yr
  • outdoor motion sensor10K/yr
  • outdoor pir sensor9K/yr
All search terms

Top pir 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%£8K20%£16K30%£24K40%£32K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about pir

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

What buyers love

Assembly/Installation11%

“Easy to install”

Quality-Overall10%

“The build quality feels solid”

Value For Money7%

“Good value”

Sensor7%

“The sensor itself is very accurate”

Advertised Vs Actual Product7%

“Does just what I wanted”

Ease Of Use6%

“Easy to use”

Size-Overall5%

“Easy to fit, works well”

Motion Detection4%

“The motion detection works accurately”

Design-Overall4%

“Well designed”

Compatibility-Overall3%

“works well with the Tapo app and compatible smart home devices”

What buyers complain about

Quality-Overall13%

“Poor quality”

Functionality-Overall11%

“Did not work”

Durability11%

“Broke after a year”

Size-Overall10%

“Small”

Connectivity-Overall4%

“Very poor quality not a lot of room for connection”

Assembly/Installation4%

“my husband found it rather fiddly to install in place of the failed one”

Range3%

“The quoted detection range and angle are no where near what you achieve, less than 2M detection and no where near 180 degrees, very disappointed”

Touch/Button Controls3%

“Bulky and would have been better as flat device with 3 buttons”

Value For Money3%

“Twelve quid is a tad expensive when you can”

Water Resistance2%

“the failure happens when the lens goes brittle and breaks, then water gets inside”

Top return reasons

Functionality-Overall21%
Compatibility-Overall21%
Connectivity-Overall15%
Size-Overall8%
Defective Material/Parts7%
Advertised Vs Actual Product3%
Range3%
Quality-Overall2%
Value For Money2%
Assembly/Installation2%

Common questions

Is pir profitable to sell on Amazon United Kingdom?
The niche generates £79K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -22.2%. Flapen's verdict: Skip it (33/100).
How competitive is the pir niche?
10 brands and 35 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in pir?
Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Durability. The return rate is 3.3%.
When does demand for pir peak?
Demand peaks in Nov; the busiest month runs 1.6× the quietest.
What does it cost to enter the pir niche?
Listings span £6.97–£16.26; the average listing price is £10.63 (sweet spot $15–$100). The average incumbent carries 1,549 reviews — the moat a new listing must climb.