thermostat plug
Skip itSoft demand (-58.2% this quarter) — this niche doesn't clear our bar today.
Review moat
Great282.26avg incumbent reviews — the moat a new listing must climb
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great£16.28avg listing price — sweet spot $15–$100
Price range
Good£7.78–£29.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good73%top-5 brand share — brands hold most of the demand
Returns
Good3.0%return rate — above 5% kills the launch gate
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Market size
Bad£34K£34K/yr · 24K searches
Growth
Bad-58.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, thermostat plug is a £34K/yr Amazon United Kingdom market (24K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 44/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
thermostat plug market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £24K–£33K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #287
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 79%
- Out of stock
- 21.7%
- Avg brand age
- 50 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
20
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
19%
- KETOTEK29%
- Nerissa14%
- LOWENERGIE13%
- Gobesty9%
- Inkbird9%
- PBMLGO8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -58.2% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 9.8×
Top thermostat plug search terms
- thermostat plug14K/yr
- plug in thermostat6K/yr
- thermostat plug socket uk4K/yr
Top thermostat plug 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KETOTEK Digital Thermostat Plug Socket Temperature Controller 220V with Sensor Probe Thermostatic Plug Heating Cooling for Greenhouse Freezer Refrigerator Fermentation
KETOTEK£16.224.4★530 rev
Nerissa Digital Thermostat Socket with 1.7m Sensor Heating and Cooling 230V 16A Timer for Greenhouse Reptile Terrarium Home White (T01-UK)
Nerissa£13.884.3★156 rev
Plug In Thermostat Temperature Control Greenhouse Heater Shed Garage (Analogue) White
LOWENERGIE£15.554.4★128 rev
Gobesty Digital Temperature Controller Thermostat Outlet Socket 230 V Digital Thermostat Outlet Plug with Temp Sensor Temperature Switch Heating Cooling Timer for Greenhouse Farm Aquarium Reptile
Gobesty£12.344.4★202 rev
Digital Temperature Controller Plug Thermostat Outlet Socket with 1.7m Sensor 230V 16A Heating Cooling Timer Thermostat Plug Digital Thermostat UK Socket for Greenhouse Freezer Fermentation
PBMLGO£13.234.5★96 rev
Newest
by launch date
KETOTEK Thermostat Plug with Timer Day/Night Temperature Controller 230V
KETOTEK£20.940 rev
Digital Temperature Controller Plug Thermostat Outlet Socket with 1.7m Sensor 230V 16A Heating Cooling Timer Thermostat Plug Digital Thermostat UK Socket for Greenhouse Freezer Fermentation
PBMLGO£13.2396 rev
Inkbird C236T Thermostat Plug Socket WIFI Temperature Controller
Inkbird£26.31124 rev
Aideepen Digital Thermostat Socket Ccountdown Temperature Controller 100~250V 13A with Sensor for Aquaculture Greenhouses Terrarium Heating Cooling
Aideepen£11.738 rev
INKBIRDPLUS Digital Timer Plug Socket Thermostat Temperature Controller
INKBIRDPLUS£16.902 rev
Trending
90-day click momentumKETOTEK Thermostat Plug with Timer Day/Night Temperature Controller 230V
KETOTEK£20.940.0★
INKBIRDPLUS Digital Timer Plug Socket Thermostat Temperature Controller
INKBIRDPLUS£16.903.0★
Digital Temperature Controller Plug Thermostat Outlet Socket with 1.7m Sensor 230V 16A Heating Cooling Timer Thermostat Plug Digital Thermostat UK Socket for Greenhouse Freezer Fermentation
PBMLGO£13.234.5★
Nerissa Digital Thermostat Socket with 1.7m Sensor Heating and Cooling 230V 16A Timer for Greenhouse Reptile Terrarium Home White (T01-UK)
Nerissa£13.884.3★
Lotvic Digital Temperature Controller Thermostat Plug Socket LCD Screen Heating Cooling Temperature Switch Heating Cooling Timer for Homebrew Greenhouse Reptile Terrarium Home (UK Plug)
Lotvic£12.094.2★
What buyers say about thermostat plug
What buyers praise and complain about, mined from review topics.What buyers love
“Decent quality too”
“working well controlling a cooling fan”
“Works great and gives me peace of mind”
“Ease of use”
“good value”
“Great addition to make any heater smart”
“Setup is simple—just plug it in”
“Followed instructions”
“Works exactly as described”
“connect to WiFi”
What buyers complain about
“Not a precise way of doing it”
“didnt work”
“that was only reading 23 which is way off what the temperature was saying on the digital device”
“Really complicated to set”
“Item failed after about 4weeks”
“I could smell burning metal and plastic and couldnt find the source immediately so had to make sure everything was off because I was sure it smelled like an electrical fire”
“Not easy to use”
“A little expensive so drop a star”
“It appears that the cooling mode contradicts the heating mode”
“connection and verification a problem”
Top return reasons
Common questions
- Is thermostat plug profitable to sell on Amazon United Kingdom?
- The niche generates £34K/yr across 19 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -58.2%. Flapen's verdict: Skip it (44/100).
- How competitive is the thermostat plug niche?
- 14 brands and 20 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in thermostat plug?
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Functionality-Overall, Measurement/Reading Accuracy. The return rate is 3.0%.
- When does demand for thermostat plug peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 9.8× the quietest.
- What does it cost to enter the thermostat plug niche?
- Listings span £7.78–£29.37; the average listing price is £16.28 (sweet spot $15–$100). The average incumbent carries 282 reviews — the moat a new listing must climb.