portable door lock
Worth a lookShows beatable incumbent ratings (3.9★), but a small market ($53K/yr) keeps it on the watch list.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Brand share
Great42%top-5 brand share — no brand owns this niche
Competition
Great37%top-5 click share — an open shelf
Returns
Good2.5%return rate — above 5% kills the launch gate
Review moat
Good1,080.55avg incumbent reviews — the moat a new listing must climb
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Price range
Okay£2.91–£20.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad£7.58avg listing price — sweet spot $15–$100
Growth
Bad-17.1%90-day search growth — must beat 0% to launch
Market size
Bad£53K£53K/yr · 177K searches
According to Flapen's Amazon United Kingdom niche tracking, portable door lock is a £53K/yr Amazon United Kingdom market (177K searches/yr). The top 5 brands hold 42% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 52/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
portable door lock market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £45K–£61K
- units × avg price
- Conversion rate
- 3.9%
- Avg BSR
- #599
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 7.2%
- Avg brand age
- 31 months
- Avg seller age
- 187 days
Competition & brand share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
33 falling
Sellers
53
Top-5 brand share
42%
Top 20: 86%
Top-5 click share
37%
Top 20: 78%
Open market
53%
- AceMining16%
- Yelienm8%
- Fantasyon6%
- Uskerb6%
- Xhwykzz5%
- Trustella5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.1% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 1.9×
Top portable door lock search terms
- portable door lock59K/yr
- hotel door lock travel safety45K/yr
- hotel door lock20K/yr
- travel door lock14K/yr
- portable door lock for travelling13K/yr
- travel door lock for hotel rooms7K/yr
- hotel room door lock7K/yr
- travel safety5K/yr
- portable lock4K/yr
- hotel door safety lock4K/yr
Top portable door 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Portable Door Lock Home Security Door Lock Travel Lockdown Locks for Additional Safety and Privacy Perfect for Traveling Hotel Home Apartment College New Model
AceMining£8.264.0★24,060 rev
Portable Door Lock & Door Stop Alarm Set Dual Protection Home Security Door Kit Travel Hotel Lock Devices Pocket Self Defensey Tools for Traveling Hotel Home Apartment (Red)
Yelienm£7.804.0★48 rev
Uskerb Portable Door Lock - Anti-Theft Travel Lock for Added Safety and Privacy in Hotels and Homes
Uskerb£3.483.6★72 rev
Xhwykzz Portable Door Lock - Family Travel AirBNB Hotel School Home Apartment Must Haves Security Devices Door Locks Jammer Self Defense for Additional Safety 1 Pack
Xhwykzz£5.423.7★1,679 rev
Original Trustella Heavy-Duty Portable Door Lock - Stainless Steel Security Device for Enhanced Safety - Ideal for Home Travel Hotels Apartments - Silicone Protector Caps Included (1 Black)
Trustella£6.964.2★2,528 rev
Newest
by launch date
Portable Security Door Lock Stopper Hotel Door Locks with Alarm for Floor Doors Stopper for Travelers Security Anti Theft Portable Doors Stoppers Lock for Bottom of Door for Home Apartment
DVDVBOOM£13.851 rev
Portable Security Door Lock Stopper Hotel Door Locks for Floor Doors Stopper for Travelers Security Anti Theft Door Blocker Portable Doors Stoppers Locks for Bottom of Door for Home Apartment
DVDVBOOM£11.963 rev
2-Piece Travel Security Kit with Portable Door Lock and AlarmPortable Security Door Lock with Adjustable Safety Bar for Home Hotel & Apartment Protection for Enhanced Safety at Home or On The Go
Kaelix£5.783 rev
Portable Door Lock Hotel Door Lock Travel Safety Extra Home Security for Privacy and Protection Ideal for Hotels Apartments Dorms Short-Term Rentals Perfect for Business Trips and Solo Living
Uliwamowi£5.740 rev
2 Pack Portable Door Lock for Travel and Home Compact Bedroom Door Lock and Hotel Door Lock Extra Lock for Bedroom Door or Apartment Lightweight Backup Use Door Locks for Daily Use
QACUU£3.899 rev
Trending
90-day click momentumPortable Security Door Lock Stopper Hotel Door Locks with Alarm for Floor Doors Stopper for Travelers Security Anti Theft Portable Doors Stoppers Lock for Bottom of Door for Home Apartment
DVDVBOOM£13.854.0★
Original Trustella Heavy-Duty Portable Door Lock - Stainless Steel Security Device for Enhanced Safety - Ideal for Home Travel Hotels Apartments - Silicone Protector Caps Included (1 Black)
Trustella£6.964.2★
Portable Security Door Lock Stopper Hotel Door Locks for Floor Doors Stopper for Travelers Security Anti Theft Door Blocker Portable Doors Stoppers Locks for Bottom of Door for Home Apartment
DVDVBOOM£11.963.4★
HNHMT Upgraded Portable Door Lock & Door Stop Alarm Dual Protection Security Door Kit Door Security Devices Pocket Self Defensey Tools for Traveling Hotel Home Apartment College House(2 Pack)
HNHMT£7.964.2★
2 Pack Portable Door Lock for Travel and Home Compact Bedroom Door Lock and Hotel Door Lock Extra Lock for Bedroom Door or Apartment Lightweight Backup Use Door Locks for Daily Use
QACUU£3.892.9★
What buyers say about portable door lock
What buyers praise and complain about, mined from review topics.What buyers love
“I am happy with the door safety”
“Handy for extra security”
“Easy to use”
“Sturdy, Compact and Easy-to-Use Door Stopper”
“Great value for money”
“The build quality is actually quite impressive”
“compact to carry when travelling”
“It fits mine”
“As advertised”
“Works well”
What buyers complain about
“Didn't work”
“is tricky to fit”
“Not compatible”
“Works well does the job good value for money they only thing i found it didnt stay on the door very well needs stronger adhesive”
“Unlocking needs some practice”
“It would sound at random”
“Waste of money”
“Quite hard to use”
“Weak”
“Also very expensive for what it is”
Top return reasons
Common questions
- Is portable door lock profitable to sell on Amazon United Kingdom?
- The niche generates £53K/yr across 40 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -17.1%. Flapen's verdict: Worth a look (52/100).
- How competitive is the portable door lock niche?
- 33 brands and 53 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 42% of demand.
- What do buyers complain about in portable door lock?
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Compatibility-Overall. The return rate is 2.5%.
- When does demand for portable door lock peak?
- Demand peaks in Aug–Sep; the busiest month runs 1.9× the quietest.
- What does it cost to enter the portable door lock niche?
- Listings span £2.91–£20.09; the average listing price is £7.58 (sweet spot $15–$100). The average incumbent carries 1,081 reviews — the moat a new listing must climb.