---
title: "Door Chain — £90K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/door-chain"
last_updated: "2026-07-31T08:31:41.425Z"
locale: en
meta:
description: "Niche score 47/100 · £90K/yr market · 195K searches/yr · £5.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · £90K/yr market · 195K searches/yr · £5.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Door Chain — £90K/yr Amazon UK Niche (2026) - Flapen"
---
# **door chain**
**Skip it**
Prices mostly outside the sweet spot ($3.40–$11.10) — this niche doesn't clear our bar today.
Market size 23Growth 24Conversion 78Competition 39Returns 84Price range 0Avg price 16Brand share 68Review moat 78Quality gap 65
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****434.21**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****62%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-1.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£90K**
£90K/yr · 195K searches
**Avg price**
**Bad****£5.88**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£3.40–£11.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, door chain is a £90K/yr Amazon United Kingdom market (195K searches/yr). The top 5 brands hold 64% of demand. Verdict: Skip it — 47/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **door chain market data**
- **Units sold / yr**
- **15K–20K**
- avg 750–1,000/product
- **Revenue / yr**
- **£88K–£118K**
- units × avg price
- **Conversion rate**
- **7.9%**
- **Avg BSR**
- **#22**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▼falling
**Sellers**
**37**
**Top-5 brand share**
**64%**
Top 20: 100%
**Top-5 click share**
**62%**
Top 20: 100%
**Open market**
**30%**
- FAST-FX24% - XFORT14% - Miss Pen12% - KAFENDA7% - MOXYOY7% - SAYAYO6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -1.5% search growth over the last 90 days.
5K4KSpike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/door-chain/trend)
## **Top door chain search terms**
- **door chain**63K/yr+3.6%6.7% conv. - **door chains for front door**46K/yr-5.6%7.7% conv. - **door chain lock**15K/yr-3.6%5.6% conv. - **chain lock for door**12K/yr-1.0%7.4% conv. - **door security chain**11K/yr-10.7%5.2% conv. - **door chains**8K/yr+14.6%3.0% conv. - **door safety chain**7K/yr+1.7%5.9% conv. - **front door chain**6K/yr+12.3%7.6% conv. - **security door chain**5K/yr+2.2%3.5% conv. - **front door chain lock**5K/yr-9.0%6.3% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/door-chain/search-terms)
## **Top door chain 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%£9K20%£18K30%£27K40%£36K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Stainless Steel Door Chain Anti Theft Safety Security Lock Fastener Bolt**FAST-FX**£4.18**4.2★611 rev](https://www.amazon.co.uk/dp/B0CRDLRH8F) [2**XFORT Polished Chrome Door Chain Narrow Design Limiter External and Internal Restrictor for Wooden and UPVC Doors Additional Front Security for Safer Caller Identification**XFORT**£8.14**4.4★3,260 rev](https://www.amazon.co.uk/dp/B073DMHFBD) [3**Stainless Steel Door Chain Heavy Duty Internal Door Chains for Front Foor Anti Theft Chain Lock for Door with Screws Door Chain Lock Door Security Chain Front Door Chain Lock**Miss Pen**£4.04**4.7★14 rev](https://www.amazon.co.uk/dp/B0GPQBPDCZ) [4**Sayayo Door Chain Lock for Front Door Polished Swing Bar Door Guard Lock Security Latch for Home Hotel Apartment Houseroom Prevent Forceful Entry**SAYAYO**£6.42**4.2★592 rev](https://www.amazon.co.uk/dp/B07X5WH4MM) [5**MOXYOY Door Chain Lock Heavy Duty Chain Lock for Door Stainless Steel Latch with Spring Anti-Theft Security Lock for Home Hotel (Silver)**MOXYOY**£4.45**4.8★20 rev](https://www.amazon.co.uk/dp/B0FZHYTWP2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Stainless Steel Door Chain Heavy Duty Internal Door Chains for Front Foor Anti Theft Chain Lock for Door with Screws Door Chain Lock Door Security Chain Front Door Chain Lock**Miss Pen**£4.04**14 rev4mo ago](https://www.amazon.co.uk/dp/B0GPQBPDCZ) [**MOXYOY Door Chain Lock Heavy Duty Chain Lock for Door Stainless Steel Latch with Spring Anti-Theft Security Lock for Home Hotel (Silver)**MOXYOY**£4.45**20 rev8mo ago](https://www.amazon.co.uk/dp/B0FZHYTWP2) [**MOXYOY Security Door Chain Lock Heavy Duty Stainless Steel Anti-Theft Latch Sliding Bolt with 4 Screws for Home Hotel & Apartment (Black)**MOXYOY**£4.71**5 rev8mo ago](https://www.amazon.co.uk/dp/B0FZHVXT6T) [**Mooche Door Chain Chain Lock Stainless Steel Door Chain Locks with Safety Spring 17CM Anti-Theft Push Closure Door Locks Door Chain Internal Door Lock Door Chains for Front Door Black**Mooche**£7.45**66 rev1y ago](https://www.amazon.co.uk/dp/B0DPHJSXLX) [**PEAPIN 2 Pack Door Security Chain Lock Front Door Chain**PEAPIN**£4.37**12 rev1y ago](https://www.amazon.co.uk/dp/B0F13QX6FK)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Stainless Steel Door Chain Heavy Duty Internal Door Chains for Front Foor Anti Theft Chain Lock for Door with Screws Door Chain Lock Door Security Chain Front Door Chain Lock**Miss Pen**£4.04**4.7★**▲ 285%**](https://www.amazon.co.uk/dp/B0GPQBPDCZ) [**Sterling DCB200 Heavy Duty Brass Plated Door Chain**Sterling**£5.69**4.4★**▲ 231%**](https://www.amazon.co.uk/dp/B002Q0GQZK) [**PEAPIN 2 Pack Door Security Chain Lock Front Door Chain**PEAPIN**£4.37**3.9★**▲ 106%**](https://www.amazon.co.uk/dp/B0F13QX6FK) [**HonGien 1PCS Stainless Steel Door Chain Heavy Duty Latch Chain Door Lock Anti Theft Home Safe Nickel Plated Door Locks Safety Chain Door Lock External and Internal Door Restrictor**HonGien**£3.40**3.4★**▲ 100%**](https://www.amazon.co.uk/dp/B0DSLCWWHJ) [**Yale P-1037-CH Door Chain 6inch/15cm chain length Polished Chrome Finish Standard Security Visi Packed suitable for Wooden doors**Yale**£4.07**4.5★**▲ 47%**](https://www.amazon.co.uk/dp/B004J341C2)
**~~View all trending →~~**
## **What buyers say about door chain**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Good Quality, value for money, easy installation”*
**Security**18%
*“Good valve & security”*
**Size-Overall**10%
*“Fits well”*
**Strength**10%
*“it seems very sturdy”*
**Locking Mechanism**10%
*“It is also ideal as it has a smooth sliding mechanism, as the lock hatch track allows the latch to slide easily for quick locking and unlocking, which is crucial for its purpose”*
**Assembly/Installation**9%
*“Easy to install”*
**Advertised Vs Actual Product**9%
*“Does the Job”*
**Value For Money**8%
*“Its an affordable”*
**Ease Of Use**2%
*“It was easy”*
**Design-Overall**1%
*“SLIM DESIGN”*
### **What buyers complain about **
**Durability**25%
*“Break easily”*
**Quality-Overall**23%
*“Broke within a week terrible quality”*
**Strength**18%
*“Not strong enough”*
**Advertised Vs Actual Product**5%
*“Says it includes screws no screws in pack”*
**Locking Mechanism**5%
*“This is not any good for a security lock”*
**Thickness**5%
*“Very chunky”*
**Assembly/Installation**3%
*“Too Long. Don't Assemble”*
**Instructions/User Manual/Troubleshooting**3%
*“No installation instructions attached”*
**Grip**1%
*“My only real gripe is that it can be a little fiddly to grip as it is quite flush”*
### **Top return reasons **
**Size-Overall**48%
**Compatibility-Overall**13%
**Quality-Overall**7%
**Strength**4%
**Advertised Vs Actual Product**4%
**Defective Material/Parts**4%
**Functionality-Overall**3%
**Locking Mechanism**3%
**Color**2%
**Add-Ons/Attachments**1%
## **Common questions**
- **Is door chain profitable to sell on Amazon United Kingdom?**
- The niche generates £90K/yr across 19 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -1.5%. Flapen's verdict: Skip it (47/100).
- **How competitive is the door chain niche?**
- 16 brands and 37 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 64% of demand.
- **What do buyers complain about in door chain?**
- Top complaints mined from reviews: Durability, Quality-Overall, Strength. The return rate is 1.5%.
- **When does demand for door chain peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the door chain niche?**
- Listings span £3.40–£11.10; the average listing price is £5.88 (sweet spot $15–$100). The average incumbent carries 434 reviews — the moat a new listing must climb.
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