Is greenhouse heater profitable to sell on Amazon United Kingdom?

The niche generates £61K/yr across 30 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -68.3%. Flapen's verdict: Skip it (45/100).

How competitive is the greenhouse heater niche?

20 brands and 44 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 67% of demand.

What do buyers complain about in greenhouse heater?

Top complaints mined from reviews: Heating, Quality-Overall, Size-Overall. The return rate is 3.0%.

When does demand for greenhouse heater peak?

Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 8.7× the quietest.

What does it cost to enter the greenhouse heater niche?

Listings span £12.06–£109.05; the average listing price is £31.89 (sweet spot $15–$100). The average incumbent carries 903 reviews — the moat a new listing must climb.

greenhouse heater

Skip it

Soft demand (-68.3% this quarter) — this niche doesn't clear our bar today.

Avg price

Incredible£31.89

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great£12.06–£109.05

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

Competition

Good46%

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

Review moat

Good902.97

avg incumbent reviews — the moat a new listing must climb

Brand share

Good67%

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

Returns

Okay3.0%

return rate — above 5% kills the launch gate

Market size

Bad£61K

£61K/yr · 234K searches

Conversion

Bad0.8%

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

Growth

Bad-68.3%

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

According to Flapen's Amazon United Kingdom niche tracking, greenhouse heater is a £61K/yr Amazon United Kingdom market (234K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Jan–Sep–Oct–Nov. Verdict: Skip it — 45/100.

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

greenhouse heater market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £128K–£159K; units × avg price
Conversion rate: 0.8%
Avg BSR: #54
Page quality: 0%
Prime: 67%
Sponsored: 47%
Out of stock: 17.8%
Avg brand age: 41 months
Avg seller age: 185 days

Competition & brand share

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

Brands

20 rising

Sellers

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

46%

Top 20: 92%

Open market

24%

Dimplex23%
HYLITE14%
LightHouse12%
Grow Gadgets9%
CrazyGadget9%
Gardening Naturally8%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -68.3% search growth over the last 90 days.

Peak months: Jan, Sep, Oct, Nov · busiest ÷ quietest = 8.7×

Open Trend

Top greenhouse heater search terms

greenhouse heater131K/yr -69.8%0.9% conv.
greenhouse heaters18K/yr -68.8%0.3% conv.
greenhouse heaters with thermostat12K/yr -49.7%2.4% conv.
shed heater24K/yr -73.7%0.7% conv.
green house heater6K/yr -48.6%1.4% conv.
grow tent heater5K/yr -54.6%1.5% conv.
small greenhouse heater4K/yr -67.4%1.2% conv.
greenhouse heater with thermostat5K/yr -61.5%1.2% conv.
shed heaters non electric4K/yr -46.8%0.0% conv.
electric greenhouse heater4K/yr -68.2%2.6% conv.

All search terms

Top greenhouse heater 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Dimplex ECOT2FT Tubular Heater - Foot Tube with Built In Thermostat - Mounting Brackets Included White/Grey

Dimplex£27.584.5★1,105 rev

Dimplex ECOT1FT Tubular Heater - 1 Foot Tube with Built in Thermostat - Mounting Brackets Included

Dimplex£17.994.4★1,308 rev

Grow Gadgets Tube Heater 1ft 2ft 3ft 4ft (60W240W) Low Energy Tubular Heater for Greenhouse Grow Tent Conservatory Garage & Bathroom (60w - 1ft)

Grow Gadgets£15.084.2★38 rev

CrazyGadget Large Paraffin Super Warm Heater Single Burner Warmer Greenhouse Green House Plant Seeding

CrazyGadget£19.213.7★490 rev

LightHouse 305mm 45W Eco Heat Greenhouse Heater Green black

LightHouse£19.084.1★1,266 rev

Newest

by launch date

Denash Portable Solar Panel Heater Efficient Solar Energy Conversion for Car Defrosting Pet House Greenhouse Heating

Denash£25.6414 rev

6mo ago

AAOBOSI Portable Electric Heater with Remote Control 2000W Space Heater for Home 3 Modes & 24H Timer 90 Tilt Fan Heater Digital Thermostat PTC Overheat Protection for Garage Greenhouse Tent

AAOBOSI£34.5867 rev

8mo ago

LightHouse ECOHEAT 80W Tube Heater with Thermostat Energy Efficient Greenhouse & Garage | Anti-Frost Protection | Safe Low-Running Cost Electric Tube Heater Green

LightHouse£37.3226 rev

8mo ago

Electric Greenhouse Heater With Thermostat And Fan Premium - Adjustable 2800W Small Greenhouse Heater For Frost Protection And Air Circulation For Plants Flowers And Seedlings Up To 28m

Gardening Naturally£59.5217 rev

9mo ago

Greenhouse Heater Professional 2400W with Thermostat and Fan Electric Greenhouse Heating for Frost Protection Germination and Plant Growth Suitable for 24m Greenhouses IP24 Rated UK Plug

Gardening Naturally£69.407 rev

9mo ago

What buyers say about greenhouse heater

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

What buyers love

Value For Money16%

“GREAT VALUE”

Heating15%

“the heat output is good”

Quality-Overall11%

“This is looking like a good well made product”

Noise Level7%

“Quiet and works well”

Ease Of Use6%

“Easy to use”

Remote Control5%

“Convenient remote”

Advertised Vs Actual Product5%

“Much better than expected”

Efficiency4%

“Efficient and works well”

Compactness4%

“Nice compact size for the workbench”

Size-Overall3%

“Small enough”

What buyers complain about

Heating16%

“No heating”

Quality-Overall9%

“Poor quality”

Size-Overall9%

“Size isn't everything”

Durability7%

“Broken after less than 2 months”

Value For Money5%

“Not sure its worth the price”

Advertised Vs Actual Product4%

“Deceptive advert”

Functionality-Overall4%

“Doesn't work”

Flammable3%

“It practically caught fire”

Touch/Button Controls2%

“but the controls are not easy”

Charging2%

“also doesnt charge when heater powered on”

Top return reasons

Size-Overall22%

Functionality-Overall20%

Heating18%

Strength6%

Advertised Vs Actual Product3%

Defective Material/Parts3%

Noise Level3%

Smell3%

Value For Money3%

Quality-Overall3%

Common questions

Is greenhouse heater profitable to sell on Amazon United Kingdom?: The niche generates £61K/yr across 30 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -68.3%. Flapen's verdict: Skip it (45/100).
How competitive is the greenhouse heater niche?: 20 brands and 44 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in greenhouse heater?: Top complaints mined from reviews: Heating, Quality-Overall, Size-Overall. The return rate is 3.0%.
When does demand for greenhouse heater peak?: Demand peaks in Jan–Sep–Oct–Nov; the busiest month runs 8.7× the quietest.
What does it cost to enter the greenhouse heater niche?: Listings span £12.06–£109.05; the average listing price is £31.89 (sweet spot $15–$100). The average incumbent carries 903 reviews — the moat a new listing must climb.