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50

door handle lock

Worth a look

Shows no brand lock-in (top 5 brands take 47% of clicks), but a small market ($77K/yr) keeps it on the watch list.

Market size 19Growth 24Conversion 27Competition 78Returns 52Price range 21Avg price 44Brand share 88Review moat 71Quality gap 88

Brand share

Great47%

top-5 brand share — no brand owns this niche

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Competition

Great37%

top-5 click share — an open shelf

Review moat

Good657.38

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.9%

return rate — above 5% kills the launch gate

Avg price

Okay£11.27

avg listing price — sweet spot $15–$100

Conversion

Okay2.1%

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

Growth

Bad-2.9%

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

Price range

Bad£4.51–£17.87

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

Market size

Bad£77K

£77K/yr · 321K searches

According to Flapen's Amazon United Kingdom niche tracking, door handle lock is a £77K/yr Amazon United Kingdom market (321K searches/yr). The top 5 brands hold 47% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

door handle lock market data

Units sold / yr
8K–10K
avg 100–250/product
Revenue / yr
£90K–£113K
units × avg price
Conversion rate
2.1%
Avg BSR
#130
Page quality
0%
Prime
82%
Sponsored
90%
Out of stock
9.7%
Avg brand age
37 months
Avg seller age
174 days

Competition & brand share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

Brands

25 falling

Sellers

36

Top-5 brand share

47%

Top 20: 93%

Top-5 click share

37%

Top 20: 80%

Open market

47%

  • Faankiton18%
  • HANDLESTORE9%
  • moonybaby7%
  • Golden Grace6%
  • Designer Levers6%
  • XFORT6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.
7K5KSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top door handle lock search terms

  • door handle lock75K/yr
  • door handle with lock52K/yr
  • door handles with locks43K/yr
  • door handles with lock and key32K/yr
  • door handle with lock with keys17K/yr
  • internal door handles with lock16K/yr
  • bedroom door handle with lock12K/yr
  • lockable door handle12K/yr
  • door handles internal with lock9K/yr
  • door handles with lock8K/yr
All search terms

Top door handle 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%4%£3K8%£6K12%£9K16%£12K101001K10K 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 handle lock

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

What buyers love

Quality-Overall22%

“Great quality replacement”

Value For Money12%

“Good for the money”

Locking Mechanism11%

“the locking mechanism is easy to use”

Ease Of Use9%

“easy to use”

Advertised Vs Actual Product8%

“As advertised”

Size-Overall7%

“Good fit”

Assembly/Installation5%

“easy to assemble”

Strength4%

“the spring was very strong”

Security4%

“is very secure”

Design-Overall2%

“Looks good and does the job”

What buyers complain about

Quality-Overall18%

“Not the best build quality”

Durability15%

“it isnt going to last”

Locking Mechanism10%

“Terrible lock”

Functionality-Overall9%

“Doesn't work”

Adhesion/Stickiness8%

“Very poor adhesive”

Strength5%

“Weak”

Value For Money4%

“Waste of money”

Size-Overall3%

“didn't fit the door”

Ease Of Use3%

“not easy to use”

Assembly/Installation2%

“that could be cause of my installation”

Top return reasons

Size-Overall44%
Compatibility-Overall11%
Locking Mechanism8%
Functionality-Overall7%
Quality-Overall5%
Adhesion/Stickiness4%
Defective Material/Parts4%
Mechanism Issues3%
Advertised Vs Actual Product2%
Handle Quality1%

Common questions

Is door handle lock profitable to sell on Amazon United Kingdom?
The niche generates £77K/yr across 39 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -2.9%. Flapen's verdict: Worth a look (50/100).
How competitive is the door handle lock niche?
25 brands and 36 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 47% of demand.
What do buyers complain about in door handle lock?
Top complaints mined from reviews: Quality-Overall, Durability, Locking Mechanism. The return rate is 2.9%.
When does demand for door handle lock peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the door handle lock niche?
Listings span £4.51–£17.87; the average listing price is £11.27 (sweet spot $15–$100). The average incumbent carries 657 reviews — the moat a new listing must climb.