Skip to content
55

chimney cowl

Worth a look

Shows a sweet-spot price point ($22.30 avg), but soft demand (-18.8% this quarter) keeps it on the watch list.

Market size 28Growth 16Conversion 49Competition 64Returns 89Price range 86Avg price 93Brand share 72Review moat 91Quality gap 43

Avg price

Great£22.30

avg listing price — sweet spot $15–$100

Review moat

Great174.71

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.3%

return rate — above 5% kills the launch gate

Price range

Great£10.22–£53.57

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

Brand share

Good62%

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

Competition

Good46%

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

Conversion

Okay3.9%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay£121K

£121K/yr · 140K searches

Growth

Bad-18.8%

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

According to Flapen's Amazon United Kingdom niche tracking, chimney cowl is a £121K/yr Amazon United Kingdom market (140K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Sep–Oct. Verdict: Worth a look — 55/100.

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

chimney cowl market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
£112K–£134K
units × avg price
Conversion rate
3.9%
Avg BSR
#1,796
Page quality
0%
Prime
61%
Sponsored
71%
Out of stock
19.7%
Avg brand age
52 months
Avg seller age
180 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

29

Top-5 brand share

62%

Top 20: 97%

Top-5 click share

46%

Top 20: 92%

Open market

32%

  • Reeds19%
  • StoveMaestro12%
  • Birdguard12%
  • ARW PRODUCTS11%
  • ChimFit7%
  • binoa6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.8% search growth over the last 90 days.
4K3KSpike '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 1.8×

Top chimney cowl search terms

  • chimney cowl70K/yr
  • chimney cap24K/yr
  • chimney caps and cowls13K/yr
  • chimney bird guard8K/yr
  • chimney cover6K/yr
  • chimney pot5K/yr
  • cowl6K/yr
  • chimney cowls5K/yr
  • chimney pots3K/yr
All search terms

Top chimney cowl 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%£5K8%£10K12%£14K16%£19K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about chimney cowl

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

What buyers love

Size-Overall25%

“Easy fit”

Quality-Overall23%

“Good quality”

Advertised Vs Actual Product13%

“did the job”

Value For Money11%

“Good value”

Strength8%

“Looks sturdy well made”

Assembly/Installation5%

“Easy installation”

Ease Of Use4%

“Easy to use”

Add-Ons/Attachments2%

“Very good cowl easy to fit no tools needed”

Filtration2%

“Good for my smoker flue”

Color1%

“The terracotta colour is better suited to terracotta pantile roofs”

What buyers complain about

Instructions/User Manual/Troubleshooting24%

“no instructions”

Rusts/Corrodes17%

“didn't last very long before it rusted and the top separated from the base and fell off my roof”

Size-Overall17%

“Wrong size”

Functionality-Overall11%

“Cowell doesnt work properly”

Top return reasons

Size-Overall80%
Compatibility-Overall5%
Advertised Vs Actual Product4%
Strength2%
Defective Material/Parts2%
Quality-Overall1%
Rusts/Corrodes1%
Functionality-Overall1%
Design-Overall1%
Color0%

Common questions

Is chimney cowl profitable to sell on Amazon United Kingdom?
The niche generates £121K/yr across 28 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -18.8%. Flapen's verdict: Worth a look (55/100).
How competitive is the chimney cowl niche?
19 brands and 29 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in chimney cowl?
Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Rusts/Corrodes, Size-Overall. The return rate is 1.3%.
When does demand for chimney cowl peak?
Demand peaks in Sep–Oct; the busiest month runs 1.8× the quietest.
What does it cost to enter the chimney cowl niche?
Listings span £10.22–£53.57; the average listing price is £22.30 (sweet spot $15–$100). The average incumbent carries 175 reviews — the moat a new listing must climb.