---
title: "Patio Door Security Lock — £270K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/patio-door-security-lock"
last_updated: "2026-07-31T15:05:53.764Z"
locale: en
meta:
description: "Niche score 44/100 · £270K/yr market · 261K searches/yr · £17.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £270K/yr market · 261K searches/yr · £17.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Patio Door Security Lock — £270K/yr Amazon UK Niche (2026) - Flapen"
---
# **patio door security lock**
**Skip it**
Soft demand (-11.6% this quarter) — this niche doesn't clear our bar today.
Market size 49Growth 19Conversion 67Competition 19Returns 75Price range 70Avg price 80Brand share 38Review moat 59Quality gap 25
**Avg price**
**Great****£17.05**
avg listing price — sweet spot $15–$100
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Price range**
**Good****£4.19–£40.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,130.38**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****£270K**
£270K/yr · 261K searches
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-11.6%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****77%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, patio door security lock is a £270K/yr Amazon United Kingdom market (261K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Nov. Verdict: Skip it — 44/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **patio door security lock market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **£256K–£341K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#175**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **9.1%**
- **Avg brand age**
- **42 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**24**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**77%**
Top 20: 100%
**Open market**
**12%**
- Patlock28% - hzuisst26% - HomeSecure15% - SHIELD HARDWARE7% - HuaJiao7% - Konralasen6% - Open — no brand owns it (6 brands, 12%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -11.6% search growth over the last 90 days.
8K6KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/patio-door-security-lock/trend)
## **Top patio door security lock search terms**
- **patio door lock**44K/yr+45.0%4.5% conv. - **patio door security lock**75K/yr-38.7%5.8% conv. - **french door security lock**28K/yr-33.8%4.9% conv. - **patio door locks**18K/yr+3.8%2.5% conv. - **patlock**20K/yr-13.5%7.9% conv. - **patlock for patio doors**19K/yr-21.6%11.7% conv. - **french door lock**10K/yr+37.7%5.1% conv. - **patio door locks 2 handle security**9K/yr-3.4%7.2% conv. - **french door locks**7K/yr+25.7%2.4% conv. - **conservatory door lock**5K/yr-6.1%3.5% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/patio-door-security-lock/search-terms)
## **Top patio door security 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%10%£27K20%£54K30%£81K40%£108K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**PATLOCK French Door Patio and Conservatory Security Lock for Double Doors**Patlock**£40.26**4.8★12,744 rev](https://www.amazon.co.uk/dp/B00K1YCAV2) [2**Patio Door Security Lock High Security French Door Security Lock Professional Patio Door Locks Door Safety Locks for French Double Doors Conservatory Doors**hzuisst**£16.60**4.8★388 rev](https://www.amazon.co.uk/dp/B0DFY99G32) [3**Patio Door Lock & French Door Security Lock for Double Doors No Drill Fits 2 Horizontal Handles Tool-Free Anti-Intruder Deterrent for Patio & Conservatory Doors White Home Secure**HomeSecure**£17.60**4.8★321 rev](https://www.amazon.co.uk/dp/B0DNY6QC2P) [4**SHIELD HARDWARE Patio Door Security Lock Heavy Duty French & Conservatory Double Door Handle Lock Visible Anti-Intruder Deterrent Tool-Free Installation 5 Year Guarantee**SHIELD HARDWARE**£17.35**4.8★102 rev](https://www.amazon.co.uk/dp/B0G7HC59H3) [5**Patio Door Security Lock High Security Patio Door Locks with Digital Combination Lock for French Double Doors**HuaJiao**£8.72**4.2★42 rev](https://www.amazon.co.uk/dp/B0FN2V27JN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**White Patio Door Security Lock Professional French Door Security Lock High-Security Rating Door Lock for French Double Doors and Conservatory Doors**ZBXSNK**£18.57**24 rev7mo ago](https://www.amazon.co.uk/dp/B0GBWFKN2P) [**SHIELD HARDWARE Patio Door Security Lock Heavy Duty French & Conservatory Double Door Handle Lock Visible Anti-Intruder Deterrent Tool-Free Installation 5 Year Guarantee**SHIELD HARDWARE**£17.35**102 rev7mo ago](https://www.amazon.co.uk/dp/B0G7HC59H3) [**Patio Door Security Lock High Security Patio Door Locks with Digital Combination Lock for French Double Doors**HuaJiao**£8.72**42 rev11mo ago](https://www.amazon.co.uk/dp/B0FN2V27JN) [**HOMGEN Patio Door Security Lock - High Security French Door Security Lock - Professional Door Safety Locks for French Double Doors Conservatory Doors - Easy Install**HOMGEN**£16.59**49 rev11mo ago](https://www.amazon.co.uk/dp/B0FMRJK3PY) [**Patio Door Security Lock with Anti-Theft Alarm High Security French Door Security Lock Professional Patio Door Locks Door Safety Locks for French Double Doors Conservatory Doors**hzuisst**£21.44**58 rev1y ago](https://www.amazon.co.uk/dp/B0F82QPDJ5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**White Patio Door Security Lock Professional French Door Security Lock High-Security Rating Door Lock for French Double Doors and Conservatory Doors**ZBXSNK**£18.57**4.5★**▲ 283%**](https://www.amazon.co.uk/dp/B0GBWFKN2P) [**Patio Door Security Lock High Security Patio Door Locks with Digital Combination Lock for French Double Doors**HuaJiao**£8.72**4.2★**▲ 186%**](https://www.amazon.co.uk/dp/B0FN2V27JN) [**SHIELD HARDWARE Patio Door Security Lock Heavy Duty French & Conservatory Double Door Handle Lock Visible Anti-Intruder Deterrent Tool-Free Installation 5 Year Guarantee**SHIELD HARDWARE**£17.35**4.8★**▲ 77%**](https://www.amazon.co.uk/dp/B0G7HC59H3) [**Sterling PLW100 Patio Door and Window Locks - White**Sterling**£4.19**4.4★**▲ 46%**](https://www.amazon.co.uk/dp/B0032NDYWS) [**Patio Door Lock & French Door Security Lock for Double Doors No Drill Fits 2 Horizontal Handles Tool-Free Anti-Intruder Deterrent for Patio & Conservatory Doors White Home Secure**HomeSecure**£17.60**4.8★**▲ 32%**](https://www.amazon.co.uk/dp/B0DNY6QC2P)
**~~View all trending →~~**
## **What buyers say about patio door security lock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Locking Mechanism**16%
*“Brilliant lock easy to use”*
**Security**16%
*“Great security”*
**Ease Of Use**15%
*“Ease of use”*
**Quality-Overall**14%
*“Great build quality”*
**Size-Overall**9%
*“Easy fit”*
**Value For Money**8%
*“not expensive”*
**Strength**7%
*“Strong piece of kit”*
**Advertised Vs Actual Product**4%
*“As advertised”*
**Assembly/Installation**2%
*“Installation / fitting”*
**Efficiency**1%
*“Works well”*
### **What buyers complain about **
**Instructions/User Manual/Troubleshooting**13%
*“No instructions so it's not clear”*
**Locking Mechanism**12%
*“Contrary to the other reviews I read before buying I found these to be very poor quality with both keys being sticky in the locks”*
**Jamming/Clogging**10%
*“The button has jammed”*
**Size-Overall**8%
*“does not fit”*
**Ease Of Use**5%
*“awkward to remove”*
**Functionality-Overall**4%
*“the alarm doesn't work”*
**Quality-Overall**4%
*“Rubbish goods”*
**Durability**4%
*“Didn't last long”*
**Noise Level**1%
*“cause more noise to anyone trying the same method of entry”*
**Weight Heavy**1%
*“It can be a bit heavy”*
### **Top return reasons **
**Size-Overall**50%
**Compatibility-Overall**19%
**Locking Mechanism**8%
**Functionality-Overall**6%
**Mechanism Issues**3%
**Alarm/Timer Accuracy**3%
**Strength**2%
**Defective Material/Parts**2%
**Advertised Vs Actual Product**1%
**Touch/Button Controls**1%
## **Common questions**
- **Is patio door security lock profitable to sell on Amazon United Kingdom?**
- The niche generates £270K/yr across 13 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Skip it (44/100).
- **How competitive is the patio door security lock niche?**
- 12 brands and 24 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in patio door security lock?**
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Locking Mechanism, Jamming/Clogging. The return rate is 2.0%.
- **When does demand for patio door security lock peak?**
- Demand peaks in Nov; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the patio door security lock niche?**
- Listings span £4.19–£40.26; the average listing price is £17.05 (sweet spot $15–$100). The average incumbent carries 1,130 reviews — the moat a new listing must climb.
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