Is metal storage box profitable to sell on Amazon United Kingdom?

The niche generates £47K/yr across 21 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -30.4%. Flapen's verdict: Skip it (44/100).

How competitive is the metal storage box niche?

11 brands and 31 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in metal storage box?

Top complaints mined from reviews: Locking Mechanism, Quality-Overall, Size-Overall. The return rate is 1.4%.

When does demand for metal storage box peak?

Demand peaks in Jan–Feb–Sep; the busiest month runs 2.2× the quietest.

What does it cost to enter the metal storage box niche?

Listings span £9.91–£39.03; the average listing price is £20.12 (sweet spot $15–$100). The average incumbent carries 2,138 reviews — the moat a new listing must climb.

metal storage box

Skip it

Soft demand (-30.4% this quarter) — this niche doesn't clear our bar today.

Avg price

Great£20.12

avg listing price — sweet spot $15–$100

Returns

Great1.4%

return rate — above 5% kills the launch gate

Price range

Great£9.91–£39.03

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Conversion

Good4.5%

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

Review moat

Okay2,138.1

avg incumbent reviews — the moat a new listing must climb

Competition

Okay61%

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

Brand share

Bad91%

top-5 brand share — brand-locked demand

Market size

Bad£47K

£47K/yr · 52K searches

Growth

Bad-30.4%

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

According to Flapen's Amazon United Kingdom niche tracking, metal storage box is a £47K/yr Amazon United Kingdom market (52K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Feb–Sep. Verdict: Skip it — 44/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

metal storage box market data

Units sold / yr: 2K–3K; avg 100–250/product
Revenue / yr: £40K–£50K; units × avg price
Conversion rate: 4.5%
Avg BSR: #625
Page quality: 0%
Prime: 86%
Sponsored: 62%
Out of stock: 3.1%
Avg brand age: 40 months
Avg seller age: 198 days

Competition & brand share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

61%

Top 20: 99%

Open market

Cathedral Products72%
JUNDUN10%
Noiposi5%
Lifewit2%
IPARTS EXPERT2%
Fun storage2%
Open — no brand owns it (5 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.4% search growth over the last 90 days.

Peak months: Jan, Feb, Sep · busiest ÷ quietest = 2.2×

Open Trend

Top metal storage box search terms

metal file box15K/yr -34.7%4.2% conv.
metal filing box11K/yr -38.1%2.9% conv.
lockable document box9K/yr -15.5%2.7% conv.
lockable file box6K/yr -19.8%4.3% conv.
lockable filing box4K/yr -23.8%3.6% conv.
metal box file4K/yr -37.7%4.0% conv.
metal file organiser3K/yr -35.9%0.5% conv.

All search terms

Top metal storage box 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Cathedral Products A4 Steel File Box with Starter Pack of 5 Suspension Files - Black

Cathedral Products£18.524.2★7,579 rev

Cathedral Products A4 Steel File Box with Starter Pack of 5 Suspension Files - Pastel Pink

Cathedral Products£18.764.2★7,579 rev

Cathedral Products A4+ (Foolscap) Steel File Box with Starter Pack of 5 Suspension Files - Blue

Cathedral Products£18.684.1★3,236 rev

Cathedral Products A4 Steel File Box with Starter Pack of 5 Suspension Files - Grey

Cathedral Products£19.034.2★7,579 rev

JUNDUN File Box with Lock Fireproof Document Box with Handle and Zipper Collapsible File Organiser Home Office Fire Safe Storage Filing Box for A4 Suspension File Folder

JUNDUN£28.614.4★236 rev

Newest

by launch date

GreenWhim Fireproof Document Box Waterproof and Fireproof Document Storage with Lock Document organiser Case for A4 Important Documents Portable Home Fire Safe Storage Box Case

GreenWhim£15.6914 rev

6mo ago

Lockable Document Storage Box 12 Inch (30cm) Steel Security Box with Bolt Down Floor Mounting Kit for Documents Medication and Valuables

Woodland Stationers Limited£13.6729 rev

6mo ago

SUNNYNEST Metal File Organizer with Lock Portable Aluminum Document Box

SUNNYNEST£15.466 rev

7mo ago

Lifewit A4 File Organiser Box with Lids Portable Document Storage Box with Plastic Slide Hanging File Folder Organizer for School Home Office Supplies Decorative Folders Storage Dark Grey 1 Pack

Lifewit£9.9167 rev

11mo ago

Large Fireproof Document Organiser Filing Box File Storage Box with Lock Important Document Storage Box Filing System for Certificates & Documents 10 Hanging Files & 20 Labels (15.7×12.2×10.6)

tidytech£39.03121 rev

1y ago

What buyers say about metal storage box

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

What buyers love

Quality-Overall17%

“Excellent product”

Storage Capacity10%

“Great storage”

Strength9%

“Good solid sturdy box”

Advertised Vs Actual Product9%

“JUST WHAT I NEEDED”

Locking Mechanism8%

“The locking mechanism is smooth”

Size-Overall7%

“Fantastic item fitted so much into it”

Value For Money6%

“Good price”

Security5%

“Safe and Secure”

Fire Resistance3%

“fact it is fire proof”

Ease Of Use2%

“Easy to use”

What buyers complain about

Locking Mechanism17%

“lock very flimsy”

Quality-Overall13%

“It feels very low quality”

Size-Overall13%

“it was too small”

Advertised Vs Actual Product10%

“The claims for these bags get more and more ridiculous”

Strength9%

“Looks flimsy”

Ease Of Use2%

“making it really difficult to use”

Metal Quality2%

“Arrvied with no metal box”

Defective Material/Parts2%

“Item is NOT FIT FOR USE”

Material Quality2%

“The tabs are plastic”

Value For Money1%

“It is on the expensive side for what it is”

Top return reasons

Size-Overall45%

Locking Mechanism11%

Advertised Vs Actual Product7%

Quality-Overall7%

Strength6%

Functionality-Overall3%

Mechanism Issues3%