Is coal bunker profitable to sell on Amazon United Kingdom?

The niche generates £52K/yr across 17 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -50.4%. Flapen's verdict: Skip it (41/100).

How competitive is the coal bunker niche?

11 brands and 27 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in coal bunker?

Top complaints mined from reviews: Strength, Durability, Size-Overall. The return rate is 0.6%.

When does demand for coal bunker peak?

Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 4.2× the quietest.

What does it cost to enter the coal bunker niche?

Listings span £10.19–£188.98; the average listing price is £91.00 (sweet spot $15–$100). The average incumbent carries 1,011 reviews — the moat a new listing must climb.

coal bunker

Skip it

Soft demand (-50.4% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great£91.00

avg listing price — sweet spot $15–$100

Review moat

Good1,010.94

avg incumbent reviews — the moat a new listing must climb

Price range

Okay£10.19–£188.98

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

Competition

Okay60%

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

Brand share

Okay82%

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

Market size

Bad£52K

£52K/yr · 75K searches

Conversion

Bad0.8%

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

Growth

Bad-50.4%

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

Signals Low Review Barrier High Price

According to Flapen's Amazon United Kingdom niche tracking, coal bunker is a £52K/yr Amazon United Kingdom market (75K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan–Sep–Oct–Nov. Verdict: Skip it — 41/100.

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

coal bunker market data

Units sold / yr: 750–1K; avg 0–100/product
Revenue / yr: £68K–£91K; units × avg price
Conversion rate: 0.8%
Avg BSR: #261
Page quality: 0%
Prime: 18%
Sponsored: 35%
Out of stock: 11.2%
Avg brand age: 57 months
Avg seller age: 184 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

ASA METAL PRODUCTS23%
Elex19%
Monster Shop17%
Generic13%
Avonstar Classics Range10%
KetoPlastics10%
Open — no brand owns it (5 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -50.4% search growth over the last 90 days.

Peak months: Jan, Sep, Oct, Nov · busiest ÷ quietest = 4.2×

Open Trend

Top coal bunker search terms

coal bunker48K/yr -59.5%0.8% conv.
coal bunkers for outside15K/yr -37.5%1.4% conv.
coal storage outdoor7K/yr -18.8%0.7% conv.
coal storage5K/yr -42.7%0.3% conv.

All search terms

Top coal bunker 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Elex Galvanised Steel Metal Coal Bunker Heavy Duty Coal Fuel Storage 125KG -5 BAGS OF 25KG FUEL

Elex£47.063.8★293 rev

Titan Plastic Coal & Fuel Storage Bunker - 150kg/3Bag

Generic£133.404.5★48 rev

ASA METAL PRODUCTS 500KG COAL BUNKER

ASA METAL PRODUCTS£117.584.6★99 rev

Coal Storage Bunker 250kg 390L Galvanised Steel Raised Metal Base Strengthening Bar Baffle Plate Waterproof Rust & Rodent Proof Wood Fire Sliding Door Hinged Lid Handle FREE Coal Shovel

Monster Shop£114.614.2★88 rev

Avonstar Classics Range Outdoor Coal Storage Bunker (Coal Bunker)

Avonstar Classics Range£80.194.4★14 rev

Newest

by launch date

Cocus 200L Large Coal Bunker Durable Containers Ultra Heavy Duty (200L)

Cocus£187.311 rev

7mo ago

Avonstar Classics Range Outdoor Coal Storage Bunker (Coal bunker brass effect)

Avonstar Classics Range£95.763 rev

8mo ago

Avonstar Classics Range Outdoor Coal Storage Bunker (Coal Bunker)

Avonstar Classics Range£80.1914 rev

1y ago

Kendane 4FT Firewood Log Rack with Waterproof Cover Heavy Duty Log Stores Outdoor and Indoor Metal Storage Large Capacity (122 x 30.5 x 100CM) 600D Oxford Cover for Garden Patio

Kendane£43.8614 rev

1y ago

Titan Plastic Coal & Fuel Storage Bunker - 150kg/3Bag

Generic£133.4048 rev

2y ago

What buyers say about coal bunker

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

What buyers love

Assembly/Installation19%

“Easy to put together”

Strength13%

“A good sturdy box”

Storage Capacity12%

“Excellent storage box”

Size-Overall9%

“Decent size”

Value For Money9%

“Excellent for the money”

Quality-Overall9%

“Very good quality, I am impressed it was easy to put together and idiot proof”

Water Resistance4%

“A sturdy and waterproof box,”

Advertised Vs Actual Product3%

“Does exactly what is needed”

Durability2%

“Sturdy and durable”

Weight Light2%

“light weight for easy movement”

What buyers complain about

Strength13%

“Not a very strong”

Durability11%

“broke within a week”

Size-Overall11%

“The do not fit”

Assembly/Installation8%

“the assembly process is not easy”

Value For Money6%

“that can be costly”

Quality-Overall5%

“Cheap and flimsy”

Defective Material/Parts5%

“Broken product”

Water Resistance2%

“main problem is that when it rains the water gets in”

Instructions/User Manual/Troubleshooting2%

“Further instructions required”

Rusts/Corrodes2%

“its gone rusty despite being galvanised yet never scratched or damaged”

Top return reasons

Size-Overall50%

Defective Material/Parts20%

Assembly/Installation5%

Strength3%

Quality-Overall2%

Material Quality2%