---
title: "Large Key Safe — £97K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/large-key-safe"
last_updated: "2026-07-31T16:49:13.012Z"
locale: en
meta:
  description: "Niche score 48/100 · £97K/yr market · 70K searches/yr · £25.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · £97K/yr market · 70K searches/yr · £25.39 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Large Key Safe — £97K/yr Amazon UK Niche (2026) - Flapen"
---

# **large key safe**

**Skip it**

Brand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.

Market size 24Growth 23Conversion 62Competition 58Returns 87Price range 74Avg price 95Brand share 17Review moat 39Quality gap 48

**Avg price**

**Incredible****£25.39**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Price range**

**Good****£3.80–£117.92**

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

**Conversion**

**Good****5.4%**

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

**Competition**

**Good****50%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Okay****2,628.91**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£97K**

£97K/yr · 70K searches

**Growth**

**Bad****-4.0%**

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

**Brand share**

**Bad****93%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, large key safe is a £97K/yr Amazon United Kingdom market (70K searches/yr). The top 5 brands hold 93% of demand. Verdict: Skip it — 48/100.

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

## **large key safe market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 100–250/product</dd>

<dt>**Revenue / yr**</dt><dd>**£102K–£127K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**5.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#77**</dd>

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

<dt>**Prime**</dt><dd>**97%**</dd>

<dt>**Sponsored**</dt><dd>**59%**</dd>

<dt>**Out of stock**</dt><dd>**4.4%**</dd>

<dt>**Avg brand age**</dt><dd>**54 months**</dd>

<dt>**Avg seller age**</dt><dd>**161 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**11 **▼falling

**Sellers**

**55**

**Top-5 brand share**

**93%**

Top 20: 100%

**Top-5 click share**

**50%**

Top 20: 88%

**Open market**

**5%**

- Master Lock80% - NEWIROVE4% - Diyife3% - D & S LONDON3% - Uniclife3% - VonHaus2% - Open — no brand owns it (5 brands, 5%)

## **Demand**

Weekly Amazon search volume, last 25 weeks — -4.0% search growth over the last 90 days.

2K1KFeb '26Mar '26Mar '26Apr '26May '26Jun '26

[**Open Trend **](https://flapen.com/research/uk/diy-tools/large-key-safe/trend)

## **Top large key safe search terms**

- **master lock**20K/yr-4.8%4.6% conv. - **master padlock**14K/yr+5.6%4.8% conv. - **large key safe**11K/yr-8.7%3.5% conv. - **masterlock padlock**7K/yr+1.1%4.5% conv. - **master lock padlock**8K/yr-12.9%4.6% conv. - **masterlock**6K/yr+6.0%5.9% conv. - **large key safe wall mounted**4K/yr-22.9%3.3% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/large-key-safe/search-terms)

## **Top large key safe 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%£4K8%£8K12%£12K16%£16K101001K10K100K 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![Master Lock Key Safe 5401EURD Wall Mounted Medium Strong Outdoor Weather Resistant Construction - Mounting Hardware Included](https://m.media-amazon.com/images/I/41pUiPonXBL.jpg)**Master Lock Key Safe 5401EURD Wall Mounted Medium Strong Outdoor Weather Resistant Construction - Mounting Hardware Included**Master Lock**£13.40**4.6★26,949 rev](https://www.amazon.co.uk/dp/B000JTIX3S) [2![MASTER LOCK 72EURD + M1EURDLFCC 4.5 m Double Loop Steel Cable + Key Laminated Padlock Security Level 8/10 Long Shackle](https://m.media-amazon.com/images/I/31FSx6T5PWL.jpg)**MASTER LOCK 72EURD + M1EURDLFCC 4.5 m Double Loop Steel Cable + Key Laminated Padlock Security Level 8/10 Long Shackle**Master Lock**£8.69**4.6★3,059 rev](https://www.amazon.co.uk/dp/B001MTERSO) [3![Master Lock 7804EURD Laminated Padlock with Key and Thermoplastic Cover Black 7 8 x 4 x 2 9 cm](https://m.media-amazon.com/images/I/419O4m0wirL.jpg)**Master Lock 7804EURD Laminated Padlock with Key and Thermoplastic Cover Black 7 8 x 4 x 2 9 cm**Master Lock**£5.95**4.4★2,713 rev](https://www.amazon.co.uk/dp/B00HUX4ECU) [4![MASTER LOCK Heavy Duty Padlock Security Level 8/10 Outdoor Keyed Covered Laminated Steel Weatherproof Medium Shackle](https://m.media-amazon.com/images/I/31mYbH0FbML.jpg)**MASTER LOCK Heavy Duty Padlock Security Level 8/10 Outdoor Keyed Covered Laminated Steel Weatherproof Medium Shackle**Master Lock**£10.29**4.6★4,675 rev](https://www.amazon.co.uk/dp/B0035RR008) [5![MASTER LOCK Heavy Duty Padlock Security Level 9/10 Outdoor Keyed Covered Laminated Steel Weatherproof and Rustproof Large Shackle](https://m.media-amazon.com/images/I/31nXQ4g8YpL.jpg)**MASTER LOCK Heavy Duty Padlock Security Level 9/10 Outdoor Keyed Covered Laminated Steel Weatherproof and Rustproof Large Shackle**Master Lock**£14.23**4.6★694 rev](https://www.amazon.co.uk/dp/B001MTERTI)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![XXL Key Safe Wall Mounted Diyife Heavy-Duty Key Lock Box for Car Keys Outdoor Weatherproof 4-Digit Combination Resettable Lockbox with Code for Home Garage Internal Dimensions: 109x762x406mm](https://m.media-amazon.com/images/I/415O9IuZ5DL.jpg)**XXL Key Safe Wall Mounted Diyife Heavy-Duty Key Lock Box for Car Keys Outdoor Weatherproof 4-Digit Combination Resettable Lockbox with Code for Home Garage Internal Dimensions: 109x762x406mm**Diyife**£12.39**7,170 rev7mo ago](https://www.amazon.co.uk/dp/B0G4JZN2G8) [![ARK GUARD PRO XL Mk2 Police Approved Key Safe Outdoor Wall Mounted Lock Box](https://m.media-amazon.com/images/I/41khvnZUUTL.jpg)**ARK GUARD PRO XL Mk2 Police Approved Key Safe Outdoor Wall Mounted Lock Box**ARK GUARD**£21.38**65 rev1y ago](https://www.amazon.co.uk/dp/B0FCVRJY5Z) [![D&S London Safeguard Key Safe Extra-Large Lock Box for Outdoor Wall-Mounted 4-Digit Combination Alloy Body Key lock box for Home Airbnb Garage](https://m.media-amazon.com/images/I/31G2AKZHLiL.jpg)**D&S London Safeguard Key Safe Extra-Large Lock Box for Outdoor Wall-Mounted 4-Digit Combination Alloy Body Key lock box for Home Airbnb Garage**D & S LONDON**£36.80**44 rev1y ago](https://www.amazon.co.uk/dp/B0F17K8NG9) [![Extra Large Key Boxes Wall Mounted Diyife Key Lock Box Outdoor for 10 Keys and Car Keys Cards Waterproof Lock Box Key Safe 4-Digit Combination Key Security Box for Home Office Garage School Airbnb](https://m.media-amazon.com/images/I/41HbRQ8WdmL.jpg)**Extra Large Key Boxes Wall Mounted Diyife Key Lock Box Outdoor for 10 Keys and Car Keys Cards Waterproof Lock Box Key Safe 4-Digit Combination Key Security Box for Home Office Garage School Airbnb**Diyife**£9.09**115 rev2y ago](https://www.amazon.co.uk/dp/B0D17ZSYP8) [![Master Lock 5481EURD Key Safe with new Innovative Design Large Capacity High Security](https://m.media-amazon.com/images/I/31N9-t+Y2PL.jpg)**Master Lock 5481EURD Key Safe with new Innovative Design Large Capacity High Security**Master Lock**£22.82**278 rev3y ago](https://www.amazon.co.uk/dp/B0C783B9XF)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![XXL Key Safe Wall Mounted Diyife Heavy-Duty Key Lock Box for Car Keys Outdoor Weatherproof 4-Digit Combination Resettable Lockbox with Code for Home Garage Internal Dimensions: 109x762x406mm](https://m.media-amazon.com/images/I/415O9IuZ5DL.jpg)**XXL Key Safe Wall Mounted Diyife Heavy-Duty Key Lock Box for Car Keys Outdoor Weatherproof 4-Digit Combination Resettable Lockbox with Code for Home Garage Internal Dimensions: 109x762x406mm**Diyife**£12.39**4.6★**▲ 269%**](https://www.amazon.co.uk/dp/B0G4JZN2G8) [![Rhino Lock Secure Key XL Combination Safe - Outdoor Heavy Duty Wall Mounted Security Key Safe - XL Large Internal Storage for House or Office Keys with Strong 4 Digit Lock #UKBrand (Large Grey)](https://m.media-amazon.com/images/I/31ZZF-SfK5L.jpg)**Rhino Lock Secure Key XL Combination Safe - Outdoor Heavy Duty Wall Mounted Security Key Safe - XL Large Internal Storage for House or Office Keys with Strong 4 Digit Lock #UKBrand (Large Grey)**Rhino Lock**£21.36**4.6★**▲ 60%**](https://www.amazon.co.uk/dp/B077ZXLLMJ) [![Master Lock 7804EURD Laminated Padlock with Key and Thermoplastic Cover Black 7 8 x 4 x 2 9 cm](https://m.media-amazon.com/images/I/419O4m0wirL.jpg)**Master Lock 7804EURD Laminated Padlock with Key and Thermoplastic Cover Black 7 8 x 4 x 2 9 cm**Master Lock**£5.95**4.4★**▲ 39%**](https://www.amazon.co.uk/dp/B00HUX4ECU) [![MASTER LOCK Heavy Duty Padlock Security Level 9/10 Outdoor Keyed Covered Laminated Steel Weatherproof and Rustproof Large Shackle](https://m.media-amazon.com/images/I/31nXQ4g8YpL.jpg)**MASTER LOCK Heavy Duty Padlock Security Level 9/10 Outdoor Keyed Covered Laminated Steel Weatherproof and Rustproof Large Shackle**Master Lock**£14.23**4.6★**▲ 34%**](https://www.amazon.co.uk/dp/B001MTERTI) [![MASTER LOCK Heavy Duty Weatherproof Padlock [CEN Insurance Approved] [Closed Shackle] [Key] [Outdoor] 6327EURDCC for Transportation and Industrial Applications](https://m.media-amazon.com/images/I/51jMliLGQyL.jpg)**MASTER LOCK Heavy Duty Weatherproof Padlock \[CEN Insurance Approved\] \[Closed Shackle\] \[Key\] \[Outdoor\] 6327EURDCC for Transportation and Industrial Applications**Master Lock**£27.39**4.7★**▲ 31%**](https://www.amazon.co.uk/dp/B001MTERA2)

**~~View all trending →~~**

## **What buyers say about large key safe**

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

### **What buyers love **

**Locking Mechanism**26%

*“Lock works well”*

**Quality-Overall**15%

*“Build quality is great”*

**Strength**12%

*“Sturdy and easy to install”*

**Value For Money**7%

*“fair price”*

**Size-Overall**6%

*“fits nice”*

**Assembly/Installation**5%

*“Mounted very easily”*

**Ease Of Use**5%

*“Ease of use”*

**Security**4%

*“Rating is very good for security”*

**Advertised Vs Actual Product**4%

*“As described”*

**Storage Capacity**2%

*“The capacity is generous”*

### **What buyers complain about **

**Durability**20%

*“Broke”*

**Locking Mechanism**13%

*“terrible lock”*

**Quality-Overall**13%

*“Garbage”*

**Rusts/Corrodes**5%

*“Rust”*

**Size-Overall**5%

*“not fit for purpose”*

**Value For Money**4%

*“Good Product, however increased in price by 22% in a few weeks after I bought the first one”*

**Ease Of Use**4%

*“Unable to close or open”*

**Jamming/Clogging**3%

*“I thought it was jammed”*

**Instructions/User Manual/Troubleshooting**3%

*“The instructions on the packaging are poor to say the least”*

**Strength**2%

*“The plastic is so tough”*

### **Top return reasons **

**Size-Overall**39%

**Locking Mechanism**18%

**Functionality-Overall**11%

**Defective Material/Parts**6%

**Mechanism Issues**4%

**Ease Of Use**3%

**Quality-Overall**3%

**Weight Heavy**2%

**Compatibility-Overall**1%

**Thickness**1%

## **Common questions**

<dl>

<dt>**Is large key safe profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £97K/yr across 34 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.0%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the large key safe niche?**</dt><dd>11 brands and 55 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 93% of demand.</dd>

<dt>**What do buyers complain about in large key safe?**</dt><dd>Top complaints mined from reviews: Durability, Locking Mechanism, Quality-Overall. The return rate is 1.4%.</dd>

<dt>**What does it cost to enter the large key safe niche?**</dt><dd>Listings span £3.80–£117.92; the average listing price is £25.39 (sweet spot $15–$100). The average incumbent carries 2,629 reviews — the moat a new listing must climb.</dd>

</dl>

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