---
title: "Door Lock Jig — £148K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/door-lock-jig"
last_updated: "2026-07-31T11:46:56.671Z"
locale: en
meta:
  description: "Niche score 61/100 · £148K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 61/100 · £148K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Door Lock Jig — £148K/yr Amazon UK Niche (2026) - Flapen"
---

# **door lock jig**

**Worth a look**

Shows beatable incumbent ratings (4.0★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 32Growth 15Conversion 54Competition 78Returns 60Price range 61Avg price 95Brand share 94Review moat 84Quality gap 95

**Quality gap**

**Incredible****4.0★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Incredible****£29.88**

avg listing price — sweet spot $15–$100

**Brand share**

**Great****41%**

top-5 brand share — no brand owns this niche

**Review moat**

**Great****321.53**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****37%**

top-5 click share — an open shelf

**Price range**

**Good****£5.02–£145.34**

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

**Returns**

**Good****2.6%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****4.5%**

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

**Market size**

**Okay****£148K**

£148K/yr · 110K searches

**Growth**

**Bad****-19.1%**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** 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, door lock jig is a £148K/yr Amazon United Kingdom market (110K searches/yr). The top 5 brands hold 41% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 61/100.

Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **door lock jig market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£75K–£90K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#329**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**87%**</dd>

<dt>**Sponsored**</dt><dd>**79%**</dd>

<dt>**Out of stock**</dt><dd>**7.4%**</dd>

<dt>**Avg brand age**</dt><dd>**31 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**40 **▲rising

**Sellers**

**63**

**Top-5 brand share**

**41%**

Top 20: 86%

**Top-5 click share**

**37%**

Top 20: 75%

**Open market**

**53%**

- Foxy3DPrints13% - HauSun9% - DEWALT7% - DUEBEL6% - GQGP6% - Trend5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -19.1% search growth over the last 90 days.

3K2KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 2.0×

[**Open Trend **](https://flapen.com/research/uk/diy-tools/door-lock-jig/trend)

## **Top door lock jig search terms**

- **door latch jig**18K/yr-4.7%2.2% conv. - **door lock jig**19K/yr-23.3%2.0% conv. - **door handle jig**16K/yr-27.6%2.2% conv. - **door jig**13K/yr-27.7%1.6% conv. - **latch jig**7K/yr-3.7%1.7% conv. - **door lock installation kit**13K/yr-24.1%3.9% conv. - **door latch installation kit**5K/yr+29.5%2.5% conv. - **lock jig**6K/yr-26.5%2.7% conv. - **mortice lock jig**6K/yr-36.6%3.0% conv. - **door jigs for hinge and handles**5K/yr-34.1%1.1% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/door-lock-jig/search-terms)

## **Top door lock jig 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%3%£4K6%£9K9%£13K12%£18K1101001K10K Reviews — right = deep review moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Foxy3DPrints Tubular Pro Universal Adjustable Jig Router Template for Tubular Mortice Latch Door Faceplates](https://m.media-amazon.com/images/I/41hcdNHePdL.jpg)**Foxy3DPrints Tubular Pro Universal Adjustable Jig Router Template for Tubular Mortice Latch Door Faceplates**Foxy3DPrints**£39.15**4.8★14 rev](https://www.amazon.co.uk/dp/B0GMCLKCR2) [2![Door Lock Installation Kit Suitable for 1-3/8 - 1-3/4 (35mm-43mm) Door Thickness with Carbon Steel Door Lock Hole Saw](https://m.media-amazon.com/images/I/51DoTQW1HJL.jpg)**Door Lock Installation Kit Suitable for 1-3/8 - 1-3/4 (35mm-43mm) Door Thickness with Carbon Steel Door Lock Hole Saw**HauSun**£11.56**4.0★240 rev](https://www.amazon.co.uk/dp/B0C5XKPWXX) [3![DEWALT Door Lock Installation Kit C-Clamp Design for Metal or Wood Doors 2 Adjustable Bushings Easy Installation (D180004)](https://m.media-amazon.com/images/I/51BsqMOhYqL.jpg)**DEWALT Door Lock Installation Kit C-Clamp Design for Metal or Wood Doors 2 Adjustable Bushings Easy Installation (D180004)**DEWALT**£42.92**4.5★7,988 rev](https://www.amazon.co.uk/dp/B000BOPE56) [4![Door Lock Mortiser Kit Lock Fitting Jig Maintenance Set Door Lock Hole Opener Jig with 18mm 22mm 25mm Tungsten Steel Cutters Woodworking Hole Saw Opener Tool for Wooden Door Lock Installation](https://m.media-amazon.com/images/I/4111wJQ+ltL.jpg)**Door Lock Mortiser Kit Lock Fitting Jig Maintenance Set Door Lock Hole Opener Jig with 18mm 22mm 25mm Tungsten Steel Cutters Woodworking Hole Saw Opener Tool for Wooden Door Lock Installation**GQGP**£39.26**4.2★147 rev](https://www.amazon.co.uk/dp/B0D4QD34BY) [5![DUEBEL Aluminum Alloy Woodworking Hole Opener Slotting Locator Wooden Door Hinge Hole Guide Jig for Door Lock Installation](https://m.media-amazon.com/images/I/41Gtl8pvLLL.jpg)**DUEBEL Aluminum Alloy Woodworking Hole Opener Slotting Locator Wooden Door Hinge Hole Guide Jig for Door Lock Installation**DUEBEL**£28.52**4.2★554 rev](https://www.amazon.co.uk/dp/B09FLG5W73)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Door Hinge Jig & Door Lock Installation Kit Aluminum Alloy Mortise Template for 2.5-5 Hinges Fits 1/4 & 5/8 Radius and Square Hinges Adjustable for 1-3/8 to 1-3/4 Doors (Red)](https://m.media-amazon.com/images/I/51FH1vK3TdL.jpg)**Door Hinge Jig & Door Lock Installation Kit Aluminum Alloy Mortise Template for 2.5-5 Hinges Fits 1/4 & 5/8 Radius and Square Hinges Adjustable for 1-3/8 to 1-3/4 Doors (Red)**FarmNix**£33.71**7 rev4mo ago](https://www.amazon.co.uk/dp/B0GTQ3WYHG) [![Door Latch Mortise Tool All-in-One Door Lock Installation Kit for 1-3/8 & 1-3/4 Doors with Stainless Steel Blades for Professional and DIY Home Improvement](https://m.media-amazon.com/images/I/3179fyuXc+L.jpg)**Door Latch Mortise Tool All-in-One Door Lock Installation Kit for 1-3/8 & 1-3/4 Doors with Stainless Steel Blades for Professional and DIY Home Improvement**SWTHM**£12.71**2 rev4mo ago](https://www.amazon.co.uk/dp/B0GR9Q93NV) [![Foxy3DPrints 76 x 51 mm (3) + 102 x 76 mm (4) Precision Hinge Jig Router Template for Door and Door Frame](https://m.media-amazon.com/images/I/41+-mWOhTGL.jpg)**Foxy3DPrints 76 x 51 mm (3) + 102 x 76 mm (4) Precision Hinge Jig Router Template for Door and Door Frame**Foxy3DPrints**£19.66**70 rev4mo ago](https://www.amazon.co.uk/dp/B0GPR6BGS9) [![Foxy3DPrints Tubular Pro Universal Adjustable Jig Router Template for Tubular Mortice Latch Door Faceplates](https://m.media-amazon.com/images/I/41hcdNHePdL.jpg)**Foxy3DPrints Tubular Pro Universal Adjustable Jig Router Template for Tubular Mortice Latch Door Faceplates**Foxy3DPrints**£39.15**14 rev5mo ago](https://www.amazon.co.uk/dp/B0GMCLKCR2) [![Foxy3DPrints Sashlock Pro Universal Adjustable Jig Router Template for Sashlock/Bathroom/Deadlock Mortice Door Faceplates](https://m.media-amazon.com/images/I/31xaygBML9L.jpg)**Foxy3DPrints Sashlock Pro Universal Adjustable Jig Router Template for Sashlock/Bathroom/Deadlock Mortice Door Faceplates**Foxy3DPrints**£43.30**4 rev5mo ago](https://www.amazon.co.uk/dp/B0GMCZDHB6)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Door Hinge Jig & Door Lock Installation Kit Aluminum Alloy Mortise Template for 2.5-5 Hinges Fits 1/4 & 5/8 Radius and Square Hinges Adjustable for 1-3/8 to 1-3/4 Doors (Red)](https://m.media-amazon.com/images/I/51FH1vK3TdL.jpg)**Door Hinge Jig & Door Lock Installation Kit Aluminum Alloy Mortise Template for 2.5-5 Hinges Fits 1/4 & 5/8 Radius and Square Hinges Adjustable for 1-3/8 to 1-3/4 Doors (Red)**FarmNix**£33.71**4.0★**▲ 283%**](https://www.amazon.co.uk/dp/B0GTQ3WYHG) [![Door Hinge and Latch Jig 35mm Door 76mm Hinges](https://m.media-amazon.com/images/I/31lX4LXjAFL.jpg)**Door Hinge and Latch Jig 35mm Door 76mm Hinges**Generic**£28.89**3.0★**▲ 282%**](https://www.amazon.co.uk/dp/B0GZS9LZX2) [![Foxy3DPrints 76 x 51 mm (3) + 102 x 76 mm (4) Precision Hinge Jig Router Template for Door and Door Frame](https://m.media-amazon.com/images/I/41+-mWOhTGL.jpg)**Foxy3DPrints 76 x 51 mm (3) + 102 x 76 mm (4) Precision Hinge Jig Router Template for Door and Door Frame**Foxy3DPrints**£19.66**4.2★**▲ 242%**](https://www.amazon.co.uk/dp/B0GPR6BGS9) [![Door Latch Mortise Tool All-in-One Door Lock Installation Kit for 1-3/8 & 1-3/4 Doors with Stainless Steel Blades for Professional and DIY Home Improvement](https://m.media-amazon.com/images/I/3179fyuXc+L.jpg)**Door Latch Mortise Tool All-in-One Door Lock Installation Kit for 1-3/8 & 1-3/4 Doors with Stainless Steel Blades for Professional and DIY Home Improvement**SWTHM**£12.71**3.0★**▲ 239%**](https://www.amazon.co.uk/dp/B0GR9Q93NV) [![Foxy3DPrints Sashlock Pro Universal Adjustable Jig Router Template for Sashlock/Bathroom/Deadlock Mortice Door Faceplates](https://m.media-amazon.com/images/I/31xaygBML9L.jpg)**Foxy3DPrints Sashlock Pro Universal Adjustable Jig Router Template for Sashlock/Bathroom/Deadlock Mortice Door Faceplates**Foxy3DPrints**£43.30**4.4★**▲ 192%**](https://www.amazon.co.uk/dp/B0GMCZDHB6)

**~~View all trending →~~**

## **What buyers say about door lock jig**

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

### **What buyers love **

**Ease Of Use**17%

*“they are easily removed”*

**Quality-Overall**15%

*“Good quality”*

**Value For Money**11%

*“Good value”*

**Assembly/Installation**6%

*“Effective Tool for Precise Installation”*

**Strength**5%

*“sturdy, look good”*

**Measurement/Reading Accuracy**4%

*“Very accurate & easy to use”*

**Design-Overall**4%

*“the initial build quality looks promising”*

**Locking Mechanism**4%

*“Makes Door Lock Installs Precise and Easy”*

**Durability**4%

*“Easy to use, feel durable”*

**Material Quality**3%

*“Unit is very well made of good quality materials”*

### **What buyers complain about **

**Size-Overall**17%

*“just very slightly short”*

**Instructions/User Manual/Troubleshooting**7%

*“No instructions are provided”*

**Value For Money**7%

*“It is a bit of an investment at £169.00”*

**Locking Mechanism**6%

*“This jig will not help you fit a standard multi-locks/hook”*

**Quality-Overall**5%

*“Disappointing manufacturing flaw”*

**Assembly/Installation**4%

*“error to setup”*

**Design-Overall**4%

*“Good, cheap template”*

**Ease Of Use**3%

*“I found this jig really confusing to use”*

**Advertised Vs Actual Product**3%

*“cheap, bigger than it should be, and the description is not the same as the product”*

**Strength**2%

*“Very flimsy”*

### **Top return reasons **

**Size-Overall**28%

**Compatibility-Overall**13%

**Functionality-Overall**10%

**Quality-Overall**9%

**Defective Material/Parts**7%

**Advertised Vs Actual Product**4%

**Mechanism Issues**3%

**Material Quality**3%

**Product Condition**3%

**Value For Money**2%

## **Common questions**

<dl>

<dt>**Is door lock jig profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £148K/yr across 47 tracked products. 4 of 20 products launched in the last 360 days are still selling. 90-day search growth is -19.1%. Flapen's verdict: Worth a look (61/100).</dd>

<dt>**How competitive is the door lock jig niche?**</dt><dd>40 brands and 63 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 41% of demand.</dd>

<dt>**What do buyers complain about in door lock jig?**</dt><dd>Top complaints mined from reviews: Size-Overall, Instructions/User Manual/Troubleshooting, Value For Money. The return rate is 2.6%.</dd>

<dt>**When does demand for door lock jig peak?**</dt><dd>Demand peaks in Jan–Feb; the busiest month runs 2.0× the quietest.</dd>

<dt>**What does it cost to enter the door lock jig niche?**</dt><dd>Listings span £5.02–£145.34; the average listing price is £29.88 (sweet spot $15–$100). The average incumbent carries 322 reviews — the moat a new listing must climb.</dd>

</dl>

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