Skip to content
54

smart lock

Worth a look

Shows beatable incumbent ratings (4.0★), but weak search conversion (1.2%) keeps it on the watch list.

Market size 59Growth 21Conversion 15Competition 84Returns 21Price range 35Avg price 80Brand share 68Review moat 74Quality gap 92

Quality gap

Great4.0★

avg incumbent rating — lower means beatable quality

Competition

Great31%

top-5 click share — an open shelf

Avg price

Great£85.21

avg listing price — sweet spot $15–$100

Review moat

Good553.44

avg incumbent reviews — the moat a new listing must climb

Brand share

Good64%

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

Market size

Good£483K

£483K/yr · 461K searches

Price range

Okay£19.08–£252.01

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

Growth

Bad-7.9%

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

Returns

Bad6.0%

return rate — above 5% kills the launch gate

Conversion

Bad1.2%

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

According to Flapen's Amazon United Kingdom niche tracking, smart lock is a £483K/yr Amazon United Kingdom market (461K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Oct. Verdict: Worth a look — 54/100.

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

smart lock market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
£341K–£426K
units × avg price
Conversion rate
1.2%
Avg BSR
#240
Page quality
0%
Prime
95%
Sponsored
94%
Out of stock
9.0%
Avg brand age
38 months
Avg seller age
164 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

31 falling

Sellers

198

Top-5 brand share

64%

Top 20: 94%

Top-5 click share

31%

Top 20: 72%

Open market

30%

  • Yale30%
  • DHEISHA13%
  • AILRINNI9%
  • TEKXDD6%
  • Ruveno6%
  • NUKI5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.9% search growth over the last 90 days.
15K10KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 1.6×

Top smart lock search terms

  • smart door lock93K/yr
  • smart lock79K/yr
  • fingerprint door lock48K/yr
  • yale smart lock37K/yr
  • smart locks front door36K/yr
  • finger print door handle23K/yr
  • smart door handle17K/yr
  • digital door lock15K/yr
  • keyless door lock12K/yr
  • electric door lock12K/yr
All search terms

Top smart lock 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%2%£10K4%£19K6%£29K8%£39K101001K10K 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 smart lock

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

What buyers love

Locking Mechanism25%

“The lock itself is effective”

Quality-Overall14%

“Build quality is quite compact”

Assembly/Installation13%

“Easy to assemble”

Ease Of Use7%

“Makes life a lot easier”

Security7%

“Convenient and secure, easy to set up”

Value For Money4%

“Excellent value for money”

Size-Overall3%

“it fit really well”

Advertised Vs Actual Product2%

“Does the job”

Efficiency2%

“works well”

Design-Overall2%

“The build feels solid”

What buyers complain about

Durability10%

“This is after only a couple of weeks of use”

Locking Mechanism10%

“Doesn't lock”

Functionality-Overall8%

“As such this did not work properly”

Quality-Overall6%

“Very poor quality”

Assembly/Installation6%

“A little time consuming to install”

Connectivity-Overall5%

“Failed to connect via Bluetooth”

Instructions/User Manual/Troubleshooting5%

“instructions are terrible”

Battery Life4%

“Batteries drain constantly”

Value For Money4%

“It's a little expensive”

Compatibility-Overall3%

“Unfortunately, as mentioned above, we needed something compatible with our smart locker”

Top return reasons

Size-Overall25%
Compatibility-Overall19%
Functionality-Overall11%
Locking Mechanism10%
Defective Material/Parts8%
Mechanism Issues4%
Connectivity-Overall4%
Assembly/Installation3%
Product Condition2%
Advertised Vs Actual Product1%

Common questions

Is smart lock profitable to sell on Amazon United Kingdom?
The niche generates £483K/yr across 62 tracked products. 3 of 15 products launched in the last 360 days are still selling. 90-day search growth is -7.9%. Flapen's verdict: Worth a look (54/100).
How competitive is the smart lock niche?
31 brands and 198 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in smart lock?
Top complaints mined from reviews: Durability, Locking Mechanism, Functionality-Overall. The return rate is 6.0% — above our launch gate.
When does demand for smart lock peak?
Demand peaks in Oct; the busiest month runs 1.6× the quietest.
What does it cost to enter the smart lock niche?
Listings span £19.08–£252.01; the average listing price is £85.21 (sweet spot $15–$100). The average incumbent carries 553 reviews — the moat a new listing must climb.