---
title: "Mortice Lock — £70K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/mortice-lock"
last_updated: "2026-07-31T12:34:05.759Z"
locale: en
meta:
  description: "Niche score 46/100 · £70K/yr market · 192K searches/yr · £14.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · £70K/yr market · 192K searches/yr · £14.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Mortice Lock — £70K/yr Amazon UK Niche (2026) - Flapen"
---

# **mortice lock**

**Skip it**

A small market ($70K/yr) — this niche doesn't clear our bar today.

Market size 18Growth 20Conversion 33Competition 83Returns 38Price range 78Avg price 68Brand share 30Review moat 77Quality gap 72

**Competition**

**Great****32%**

top-5 click share — an open shelf

**Price range**

**Great****£6.49–£47.43**

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

**Review moat**

**Great****464.19**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****£14.11**

avg listing price — sweet spot $15–$100

**Returns**

**Okay****4.0%**

return rate — above 5% kills the launch gate

**Conversion**

**Okay****2.6%**

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

**Brand share**

**Okay****87%**

top-5 brand share — brands hold most of the demand

**Growth**

**Bad****-9.3%**

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

**Market size**

**Bad****£70K**

£70K/yr · 192K searches

According to Flapen's Amazon United Kingdom niche tracking, mortice lock is a £70K/yr Amazon United Kingdom market (192K searches/yr). The top 5 brands hold 87% of demand. Verdict: Skip it — 46/100.

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

## **mortice lock market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£71K–£85K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.6%**</dd>

<dt>**Avg BSR**</dt><dd>**#129**</dd>

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

<dt>**Prime**</dt><dd>**95%**</dd>

<dt>**Sponsored**</dt><dd>**56%**</dd>

<dt>**Out of stock**</dt><dd>**6.6%**</dd>

<dt>**Avg brand age**</dt><dd>**49 months**</dd>

<dt>**Avg seller age**</dt><dd>**170 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

**Brands**

**13 **—flat

**Sellers**

**97**

**Top-5 brand share**

**87%**

Top 20: 100%

**Top-5 click share**

**32%**

Top 20: 69%

**Open market**

**9%**

- Yale29% - ERA29% - XFORT11% - Sterling9% - TSS8% - Decoranddecor5% - Open — no brand owns it (7 brands, 9%)

## **Demand & seasonality**

Weekly Amazon search volume, last 84 weeks — -9.3% search growth over the last 90 days.

4K3KSpike '25Prime Day '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.7×

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

## **Top mortice lock search terms**

- **mortice lock**39K/yr-27.7%2.4% conv. - **era**28K/yr-0.2%0.3% conv. - **mortice door lock**19K/yr+115.5%2.6% conv. - **deadlock**22K/yr-39.5%0.7% conv. - **5 lever mortice locks for external doors**12K/yr-5.2%4.0% conv. - **5 lever mortice lock**9K/yr-3.2%4.3% conv. - **mortise locks**8K/yr-4.7%1.5% conv. - **sash lock**6K/yr-2.9%1.7% conv. - **era door locks**7K/yr-5.7%2.8% conv. - **deadlock door lock**6K/yr-12.3%1.8% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/mortice-lock/search-terms)

## **Top mortice 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%3%£2K6%£4K9%£6K12%£8K101001K10K 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![Yale British Standard 5 Lever Mortice Deadlock High Security Visi Pack Suitable for External Doors Brass Finish 2.5 Inch/64 mm](https://m.media-amazon.com/images/I/31JjgJwz20L.jpg)**Yale British Standard 5 Lever Mortice Deadlock High Security Visi Pack Suitable for External Doors Brass Finish 2.5 Inch/64 mm**Yale**£17.80**4.6★895 rev](https://www.amazon.co.uk/dp/B000TAUFFG) [2![ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Chrome Effect](https://m.media-amazon.com/images/I/41oAbu6W50L.jpg)**ERA Fortress BS 3621 2.5-inch/ 64mm 5 Lever Maximum Security Mortice Sashlock - Chrome Effect**ERA**£16.46**4.4★1,688 rev](https://www.amazon.co.uk/dp/B0074JFW3A) [3![Yale 5 Lever Mortice Sashlock High Security Brass Finish 2.5 Inch/64 mm](https://m.media-amazon.com/images/I/31jltgbB-mL.jpg)**Yale 5 Lever Mortice Sashlock High Security Brass Finish 2.5 Inch/64 mm**Yale**£15.79**4.5★86 rev](https://www.amazon.co.uk/dp/B007RCJF28) [4![Yale Locks PM322CH25 3 Lever Mortice Dead Lock 64mm - Polished Chrome Finish](https://m.media-amazon.com/images/I/41rkIL0N+tL.jpg)**Yale Locks PM322CH25 3 Lever Mortice Dead Lock 64mm - Polished Chrome Finish**Yale**£9.83**4.5★156 rev](https://www.amazon.co.uk/dp/B004J3423A) [5![Era 2.5-inch/ 64mm 3 Lever Deadlock - Chrome Effect](https://m.media-amazon.com/images/I/31ejADAzFCL.jpg)**Era 2.5-inch/ 64mm 3 Lever Deadlock - Chrome Effect**ERA**£6.54**4.4★571 rev](https://www.amazon.co.uk/dp/B0074JFW0S)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Decoranddecor Sash Mortice Door Lock with Keys - 2.5inc /64mm - Matt Black - Fire Rated - UKCA & CE Approved](https://m.media-amazon.com/images/I/41xl0e4Jv0L.jpg)**Decoranddecor Sash Mortice Door Lock with Keys - 2.5inc /64mm - Matt Black - Fire Rated - UKCA & CE Approved**Decoranddecor**£10.01**156 rev2y ago](https://www.amazon.co.uk/dp/B0CSKSBWZ9) [![TSS High Security 5 Lever British Standard Mortice Deadlock with 3 Keys and Fixings 2.5 (68mm) Polished Brass Insurance Approved for External Doors British Standard BS3621:2007](https://m.media-amazon.com/images/I/41JPsbuya5L.jpg)**TSS High Security 5 Lever British Standard Mortice Deadlock with 3 Keys and Fixings 2.5 (68mm) Polished Brass Insurance Approved for External Doors British Standard BS3621:2007**TSS**£14.96**60 rev2y ago](https://www.amazon.co.uk/dp/B0CHFS6SQH) [![Sterling MLS530N 3-inch/76mm 5-Lever Sashlock - Nickel](https://m.media-amazon.com/images/I/415vARdTWrL.jpg)**Sterling MLS530N 3-inch/76mm 5-Lever Sashlock - Nickel**Sterling**£10.65**316 rev3y ago](https://www.amazon.co.uk/dp/B0C7W13YXZ) [![DIDA 3 Lever Mortice Sashlock Polished Brass Mortice Locks Sashlocks 65mm Door Lock Sashlocks with Key Suitable for Internal or External Doors Door Latch Hardware and Key Locking Door High Security](https://m.media-amazon.com/images/I/41nMAk-fI6L.jpg)**DIDA 3 Lever Mortice Sashlock Polished Brass Mortice Locks Sashlocks 65mm Door Lock Sashlocks with Key Suitable for Internal or External Doors Door Latch Hardware and Key Locking Door High Security**DIDA**£9.08**49 rev3y ago](https://www.amazon.co.uk/dp/B0BFQ69F3H) [![XFORT 65mm Mortice Sashlock with Matt Black Faceplate Internal Door Lock for Bedroom Door Mortice Door Lock with Key](https://m.media-amazon.com/images/I/41NB6MFSwVL.jpg)**XFORT 65mm Mortice Sashlock with Matt Black Faceplate Internal Door Lock for Bedroom Door Mortice Door Lock with Key**XFORT**£8.82**651 rev4y ago](https://www.amazon.co.uk/dp/B09VCSRSH2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![UAP 3 Lever Mortice Sash Lock 65mm - Door Lock with Key Door Latch Mortice Lock for Internal and External Doors Lever Mortice Sashlock (Satin Stainless - 65mm)](https://m.media-amazon.com/images/I/41xODLxhX0L.jpg)**UAP 3 Lever Mortice Sash Lock 65mm - Door Lock with Key Door Latch Mortice Lock for Internal and External Doors Lever Mortice Sashlock (Satin Stainless - 65mm)**UAP**£9.94**3.8★**▲ 143%**](https://www.amazon.co.uk/dp/B09QM6V38T) [![Yale 5 Lever Mortice Sashlock High Security Chrome Finish 2.5 Inch/64 mm](https://m.media-amazon.com/images/I/31js3VvYlTL.jpg)**Yale 5 Lever Mortice Sashlock High Security Chrome Finish 2.5 Inch/64 mm**Yale**£17.61**4.5★**▲ 110%**](https://www.amazon.co.uk/dp/B004R26Q32) [![Era 473-61 2.5-inch/ 64mm 3 Lever Sashlock - Chrome Effect](https://m.media-amazon.com/images/I/41NesiY5PBL.jpg)**Era 473-61 2.5-inch/ 64mm 3 Lever Sashlock - Chrome Effect**ERA**£7.69**4.4★**▲ 77%**](https://www.amazon.co.uk/dp/B0074JFRKI) [![DIDA 3 Lever Mortice Sashlock Polished Brass Mortice Locks Sashlocks 65mm Door Lock Sashlocks with Key Suitable for Internal or External Doors Door Latch Hardware and Key Locking Door High Security](https://m.media-amazon.com/images/I/41nMAk-fI6L.jpg)**DIDA 3 Lever Mortice Sashlock Polished Brass Mortice Locks Sashlocks 65mm Door Lock Sashlocks with Key Suitable for Internal or External Doors Door Latch Hardware and Key Locking Door High Security**DIDA**£9.08**3.9★**▲ 67%**](https://www.amazon.co.uk/dp/B0BFQ69F3H) [![Decoranddecor Sash Mortice Door Lock with Keys - 2.5inc /64mm - Matt Black - Fire Rated - UKCA & CE Approved](https://m.media-amazon.com/images/I/41xl0e4Jv0L.jpg)**Decoranddecor Sash Mortice Door Lock with Keys - 2.5inc /64mm - Matt Black - Fire Rated - UKCA & CE Approved**Decoranddecor**£10.01**4.2★**▲ 59%**](https://www.amazon.co.uk/dp/B0CSKSBWZ9)

**~~View all trending →~~**

## **What buyers say about mortice lock**

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

### **What buyers love **

**Locking Mechanism**22%

*“The mechanism is robust and operates smoothly”*

**Quality-Overall**21%

*“Excellent build quality”*

**Size-Overall**11%

*“Perfect fit and easy install - works well”*

**Advertised Vs Actual Product**9%

*“Exactly what I needed”*

**Value For Money**8%

*“Not expensive”*

**Assembly/Installation**8%

*“Easy to install”*

**Security**4%

*“Good security”*

**Ease Of Use**3%

*“Easy”*

**Strength**3%

*“The mechanism is robust and operates smoothly”*

**Efficiency**1%

*“has worked well on initial use”*

### **What buyers complain about **

**Quality-Overall**32%

*“Low quality”*

**Size-Overall**17%

*“didn't fit the space it was replacing”*

**Locking Mechanism**14%

*“Lock is ok poor door knobs”*

**Advertised Vs Actual Product**5%

*“only suitable for one way opening which was not mentioned also placed on page these items bought together which is very misleading”*

**Value For Money**4%

*“Costly and stressful”*

**Strength**3%

*“Tad flimsy”*

**Thickness**2%

*“too thick fit through it's slot it the door frame”*

**Defective Material/Parts**2%

*“Parts missing”*

**Assembly/Installation**2%

*“Most likely misassembled - doesn't work”*

**Durability**2%

*“quickly fell to pieces as it was being fitted”*

### **Top return reasons **

**Size-Overall**61%

**Locking Mechanism**11%

**Compatibility-Overall**6%

**Quality-Overall**4%

**Functionality-Overall**4%

**Defective Material/Parts**3%

**Mechanism Issues**3%

**Advertised Vs Actual Product**2%

**Product Condition**1%

**Jamming/Clogging**1%

## **Common questions**

<dl>

<dt>**Is mortice lock profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £70K/yr across 63 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.3%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the mortice lock niche?**</dt><dd>13 brands and 97 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 87% of demand.</dd>

<dt>**What do buyers complain about in mortice lock?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Size-Overall, Locking Mechanism. The return rate is 4.0%.</dd>

<dt>**When does demand for mortice lock peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.7× the quietest.</dd>

<dt>**What does it cost to enter the mortice lock niche?**</dt><dd>Listings span £6.49–£47.43; the average listing price is £14.11 (sweet spot $15–$100). The average incumbent carries 464 reviews — the moat a new listing must climb.</dd>

</dl>

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