heavy duty padlock
Worth a lookShows no brand lock-in (top 5 brands take 49% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Great49%top-5 brand share — no brand owns this niche
Returns
Great1.6%return rate — above 5% kills the launch gate
Competition
Great38%top-5 click share — an open shelf
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Good£4.08–£27.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,234.84avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£10.40avg listing price — sweet spot $15–$100
Market size
Okay£108K£108K/yr · 146K searches
Growth
Bad-5.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, heavy duty padlock is a £108K/yr Amazon United Kingdom market (146K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Aug. Verdict: Worth a look — 56/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
heavy duty padlock market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- £104K–£130K
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #42
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.3%
- Avg brand age
- 50 months
- Avg seller age
- 169 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
25 rising
Sellers
46
Top-5 brand share
49%
Top 20: 96%
Top-5 click share
38%
Top 20: 84%
Open market
44%
- H&S13%
- CDC DIGI10%
- Yale9%
- Diyife8%
- Master Lock8%
- Magmaus8%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -5.8% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 2.2×
Top heavy duty padlock search terms
- heavy duty padlock61K/yr
- large padlock16K/yr
- pad locks outside heavy duty12K/yr
- heavy duty lock10K/yr
- padlock heavy duty6K/yr
- security padlock5K/yr
- heavy duty padlocks5K/yr
- strong padlock4K/yr
- high security padlocks7K/yr
- large padlocks with keys3K/yr
Top heavy duty padlock 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
H&S High Security Padlocks with Keys Outdoor - Heavy Duty Waterproof 60mm (2.4) Padlock & 5 Key Set - Pad Lock for Outdoor Ideal for Warehouse Container Garage Shutter or Gate
H&S£7.394.5★12,162 rev

CDC DIGI 94mm Heavy Duty Padlock with 5 Keys Padlock Shed Chrome-Plated Hardened Solid Steel Lock for Containers Garages Sheds Gates and Warehouses.
CDC DIGI£9.484.3★2,115 rev

Smiths 60mm Steel Heavy Duty Industrial Padlock (3 Keys Included) | Size: 60mm x 40mm. Shackle: 17mm | Ministry of Public Security Recommended | Outdoor & Indoor Use!
SMITH'S 2015£6.034.4★1,080 rev

Yale - Y121B/50/132/1 High Security 50mm Brass Padlock - Closed Boron Shackle - 3 Keys
Yale£12.174.5★1,714 rev

Sterling 100D 16mm Heavy Duty Sold Secure Diamond & Gold Padlock U Lock - Black
Burg-Wachter£10.814.6★1,169 rev
Newest
by launch date
2 Pcs Heavy Duty Padlocks with Keys Outdoor
QiXinGYL£5.83120 rev

NOVLOCK Heavy Duty Combination Padlock Outdoor Weatherproof Cut-Resistant 0.31 (8mm) Shackle for Gates Fences Sheds Storage Units Lockers Cabinets 1-Pack Black
NovLock£10.42726 rev

NOVLOCK Combination Padlock for Outdoor & Indoor 2.76 (7cm) Long Shackle Weatherproof Heavy-Duty Gates Fences Sheds Lockers Storage Cabinets 1-Pack Black
NovLock£8.09644 rev
![Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage](https://m.media-amazon.com/images/I/41Q5LNgQokL.jpg)
Diyife Large Heavy Duty Combination Padlock Outdoor [Anti-Cutting] [Waterproof] 8mm Shackle 54mm 4-Digit Padlocks with Code High Security Padlock for Gate Shed Fence School Gym Garage
Diyife£11.75300 rev
![Maudex MDL60 Heavy Duty Padlock with 10 Keys - [Anti Drill Anti Pick Cylinder] - [Closed Shackle] - Outdoor Padlock for Shed Gate Garage Container](https://m.media-amazon.com/images/I/41cvcRe9XfL.jpg)
Maudex MDL60 Heavy Duty Padlock with 10 Keys - [Anti Drill Anti Pick Cylinder] - [Closed Shackle] - Outdoor Padlock for Shed Gate Garage Container
Maudex£17.60541 rev
Trending
90-day click momentum
Diyife Large Heavy Duty Combination Padlocks Outdoor 52mm Weatherproof
Diyife£12.734.7★
![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£27.394.7★

NOVLOCK Combination Padlock for Outdoor & Indoor 2.76 (7cm) Long Shackle Weatherproof Heavy-Duty Gates Fences Sheds Lockers Storage Cabinets 1-Pack Black
NovLock£8.094.6★

Yale - Y125B/50/129/1 High Security 50mm Laminated Steel Padlock - Open Hardened Steel Shackle - 3 Keys
Yale£8.004.3★

CDC DIGI 94mm Heavy Duty Padlock with 5 Keys Padlock Shed Chrome-Plated Hardened Solid Steel Lock for Containers Garages Sheds Gates and Warehouses.
CDC DIGI£9.484.3★
What buyers say about heavy duty padlock
What buyers praise and complain about, mined from review topics.What buyers love
“Lock up”
“good quality item, arrived quickly, easy to use and looks substantial”
“Heavy duty, easy to set up”
“Great value for money”
“Works as advertised”
“Easy to use”
“Nice a secure”
“Easy set up”
“Good while it lasted”
“These were advertised as heavy duty”
What buyers complain about
“Easily Rusts”
“becoming a problem to lock”
“Broke within a week”
“Absolute garbage”
“Too short”
“Not for outdoor use”
“Can't use”
“For the price I paid for two but only one working was way too much”
“Bit heavy”
“it does get wet”
Top return reasons
Common questions
- Is heavy duty padlock profitable to sell on Amazon United Kingdom?
- The niche generates £108K/yr across 38 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Worth a look (56/100).
- How competitive is the heavy duty padlock niche?
- 25 brands and 46 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 49% of demand.
- What do buyers complain about in heavy duty padlock?
- Top complaints mined from reviews: Rusts/Corrodes, Locking Mechanism, Durability. The return rate is 1.6%.
- When does demand for heavy duty padlock peak?
- Demand peaks in Aug; the busiest month runs 2.2× the quietest.
- What does it cost to enter the heavy duty padlock niche?
- Listings span £4.08–£27.39; the average listing price is £10.40 (sweet spot $15–$100). The average incumbent carries 2,235 reviews — the moat a new listing must climb.