---
title: "Portable Door Lock — £53K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/portable-door-lock"
last_updated: "2026-08-11T09:30:28.958Z"
locale: en
meta:
description: "Niche score 52/100 · £53K/yr market · 177K searches/yr · £7.58 avg price. A small market ($53K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · £53K/yr market · 177K searches/yr · £7.58 avg price. A small market ($53K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Portable Door Lock — £53K/yr Amazon UK Niche (2026) - Flapen"
---
# **portable door lock**
**Worth a look**
Shows beatable incumbent ratings (3.9★), but a small market ($53K/yr) keeps it on the watch list.
Market size 13Growth 16Conversion 49Competition 78Returns 63Price range 30Avg price 21Brand share 93Review moat 60Quality gap 96
**Quality gap**
**Incredible****3.9★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Great****42%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****37%**
top-5 click share — an open shelf
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****1,080.55**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.9%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****£2.91–£20.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****£7.58**
avg 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
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
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 ~~](https://flapen.com/research/methodology)
## **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.
8K6KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/uk/baby-products/portable-door-lock/trend)
## **Top portable door lock search terms**
- **portable door lock**59K/yr-8.4%2.6% conv. - **hotel door lock travel safety**45K/yr-21.4%4.3% conv. - **hotel door lock**20K/yr-14.3%3.5% conv. - **travel door lock**14K/yr-8.2%3.7% conv. - **portable door lock for travelling**13K/yr-16.9%2.7% conv. - **travel door lock for hotel rooms**7K/yr-23.6%3.7% conv. - **hotel room door lock**7K/yr-29.7%3.4% conv. - **travel safety**5K/yr-6.3%0.3% conv. - **portable lock**4K/yr-25.6%3.6% conv. - **hotel door safety lock**4K/yr-71.1%2.4% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/portable-door-lock/search-terms)
## **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.
0%4%£2K8%£4K12%£6K16%£8K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**£8.26**4.0★24,060 rev](https://www.amazon.co.uk/dp/B08L7DNXT9) [2**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**£7.80**4.0★48 rev](https://www.amazon.co.uk/dp/B0FB31J5SP) [3**Uskerb Portable Door Lock - Anti-Theft Travel Lock for Added Safety and Privacy in Hotels and Homes**Uskerb**£3.48**3.6★72 rev](https://www.amazon.co.uk/dp/B0D39ZCKKS) [4**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**£5.42**3.7★1,679 rev](https://www.amazon.co.uk/dp/B09B5CVRPQ) [5**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**£6.96**4.2★2,528 rev](https://www.amazon.co.uk/dp/B0BTTPTPVW)
**~~View all top sellers →~~**
### **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**£13.85**1 rev4mo ago](https://www.amazon.co.uk/dp/B0GSTTJ778) [**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**£11.96**3 rev4mo ago](https://www.amazon.co.uk/dp/B0GSVBPRP2) [**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**£5.78**3 rev10mo ago](https://www.amazon.co.uk/dp/B0FQC6JWBY) [**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**£5.74**0 rev10mo ago](https://www.amazon.co.uk/dp/B0FQC821RW) [**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**£3.89**9 rev1y ago](https://www.amazon.co.uk/dp/B0FHKXVPZ2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**£13.85**4.0★**▲ 130%**](https://www.amazon.co.uk/dp/B0GSTTJ778) [**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**£6.96**4.2★**▲ 127%**](https://www.amazon.co.uk/dp/B0BTTPTPVW) [**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**£11.96**3.4★**▲ 121%**](https://www.amazon.co.uk/dp/B0GSVBPRP2) [**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**£7.96**4.2★**▲ 109%**](https://www.amazon.co.uk/dp/B098XLXV3V) [**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**£3.89**2.9★**▲ 94%**](https://www.amazon.co.uk/dp/B0FHKXVPZ2)
**~~View all trending →~~**
## **What buyers say about portable door lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Locking Mechanism**15%
*“I am happy with the door safety”*
**Security**11%
*“Handy for extra security”*
**Ease Of Use**10%
*“Easy to use”*
**Strength**9%
*“Sturdy, Compact and Easy-to-Use Door Stopper”*
**Value For Money**8%
*“Great value for money”*
**Quality-Overall**8%
*“The build quality is actually quite impressive”*
**Portability**8%
*“compact to carry when travelling”*
**Size-Overall**5%
*“It fits mine”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Efficiency**3%
*“Works well”*
### **What buyers complain about **
**Functionality-Overall**23%
*“Didn't work”*
**Size-Overall**13%
*“is tricky to fit”*
**Compatibility-Overall**8%
*“Not compatible”*
**Adhesion/Stickiness**4%
*“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”*
**Locking Mechanism**4%
*“Unlocking needs some practice”*
**Noise Level**3%
*“It would sound at random”*
**Natural Resource Wastage**3%
*“Waste of money”*
**Ease Of Use**3%
*“Quite hard to use”*
**Strength**2%
*“Weak”*
**Value For Money**2%
*“Also very expensive for what it is”*
### **Top return reasons **
**Size-Overall**33%
**Compatibility-Overall**19%
**Functionality-Overall**19%
**Locking Mechanism**5%
**Adhesion/Stickiness**4%
**Defective Material/Parts**3%
**Ease Of Use**3%
**Quality-Overall**2%
**Alarm/Timer Accuracy**2%
**Advertised Vs Actual Product**2%
## **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.
## **Related niches in Baby Products**
- 63 [**baby toys**](https://flapen.com/research/uk/baby-products/baby-toys)£1.5M/yr+4.3%**Launch it**- 63 [**buggy fan**](https://flapen.com/research/uk/baby-products/buggy-fan)£133K/yr>1,000%**Worth a look**- 63 [**car seat travel bag**](https://flapen.com/research/uk/baby-products/car-seat-travel-bag)£184K/yr+80.2%**Worth a look**- 63 [**retractable stair gate**](https://flapen.com/research/uk/baby-products/retractable-stair-gate)£469K/yr+11.0%**Worth a look**- 63 [**christening gifts for girls**](https://flapen.com/research/uk/baby-products/christening-gifts-for-girls)£323K/yr+34.9%**Worth a look**- 64 [**playpen**](https://flapen.com/research/uk/baby-products/playpen)£963K/yr+15.6%**Launch it**[**All Baby Products niches **](https://flapen.com/research/uk/baby-products)