---
title: "Underfloor Heating Thermostats — £18K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/underfloor-heating-thermostats"
last_updated: "2026-07-31T09:24:23.647Z"
locale: en
meta:
description: "Niche score 38/100 · £18K/yr market · 35K searches/yr · £28.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £18K/yr market · 35K searches/yr · £28.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Underfloor Heating Thermostats — £18K/yr Amazon UK Niche (2026) - Flapen"
---
# **underfloor heating thermostats**
**Skip it**
Soft demand (-48.4% this quarter) — this niche doesn't clear our bar today.
Market size 5Growth 1Conversion 23Competition 51Returns 21Price range 86Avg price 95Brand share 41Review moat 75Quality gap 88
**Avg price**
**Incredible****£28.83**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****£8.11–£70.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****496.76**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****6.0%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****£18K**
£18K/yr · 35K searches
**Growth**
**Bad****-48.4%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, underfloor heating thermostats is a £18K/yr Amazon United Kingdom market (35K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **underfloor heating thermostats market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£43K–£58K**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#52**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **9.1%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **▼falling
**Sellers**
**24**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 100%
**Open market**
**15%**
- KETOTEK39% - meross22% - BeFit247% - MincoHome6% - WENGART6% - Senphus4% - Open — no brand owns it (7 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -48.4% search growth over the last 90 days.
2K2KSpike '24Black Friday '24Prime Day '25Spike '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 5.0×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/underfloor-heating-thermostats/trend)
## **Top underfloor heating thermostats search terms**
- **underfloor heating thermostats**20K/yr-53.6%3.3% conv. - **electric underfloor heating thermostat**6K/yr-34.0%2.9% conv. - **underfloor heating thermostat**5K/yr-35.8%1.3% conv. - **underfloor heating controller**4K/yr-64.9%3.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/underfloor-heating-thermostats/search-terms)
## **Top underfloor heating thermostats 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%£7298%£1K12%£2K16%£3K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**KETOTEK Smart Thermostat WiFi for Electric Underfloor Heating 16A Compatible with Alexa Programmable Underfloor Heating Thermostats Controller with NTC Probe Sensor**KETOTEK**£35.00**4.3★2,262 rev](https://www.amazon.co.uk/dp/B0833N4ZZ3) [2**Meross Smart Thermostat for Electric Underfloor Heating WiFi Room Thermostat with Timer Dual Sensors Heating & Cooling Energy Saving App Control Works with Alexa and Google Hubless**meross**£37.90**4.4★695 rev](https://www.amazon.co.uk/dp/B0FHZ1JDXM) [3**KETOTEK Manual Underfloor Heating Thermostats 220V 16A Electric Underfloor Heating Controller Mechanical Room Thermostat with Floor Sensor Probe White**KETOTEK**£12.16**4.3★821 rev](https://www.amazon.co.uk/dp/B07P5KX1FQ) [4**Meross Smart Thermostat for Electric Underfloor Heating WiFi Thermostat Works with Matter HomeKit Alexa Google and Home Assistant Smart Heating with Timer App Control Energy Saving Hubless**meross**£46.26**4.3★2,881 rev](https://www.amazon.co.uk/dp/B0FHYS2N4F) [5**KETOTEK Electric Underfloor Heating Thermostats Programmable 16A Digital Room Thermostat for Under Floor Heating with External Sensor Probe LCD Touch Screen**KETOTEK**£21.12**4.4★281 rev](https://www.amazon.co.uk/dp/B082Y36YTC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BeFit24 Tuya WiFi Smart Thermostat For Underfloor Heating | Smart Thermostat Tuya | App Control | Programmable Thermostat | Alexa Google Assistant Compatible | 16A 3600W**BeFit24**£20.00**10 rev6mo ago](https://www.amazon.co.uk/dp/B0GBZWLWC2) [**Meross Smart Thermostat for Electric Underfloor Heating WiFi Thermostat Works with Matter HomeKit Alexa Google and Home Assistant Smart Heating with Timer App Control Energy Saving Hubless**meross**£46.26**2,881 rev10mo ago](https://www.amazon.co.uk/dp/B0FHYS2N4F) [**Meross Smart Thermostat for Electric Underfloor Heating WiFi Room Thermostat with Timer Dual Sensors Heating & Cooling Energy Saving App Control Works with Alexa and Google Hubless**meross**£37.90**695 rev11mo ago](https://www.amazon.co.uk/dp/B0FHZ1JDXM) [**YeloDeer WiFi Smart Thermostat for Electric Underfloor Heating Wireless Room Thermostat Digital Programmable Temperature Controller Screen-Off Function with Alexa Google Assistant 230V White**YeloDeer**£29.07**25 rev1y ago](https://www.amazon.co.uk/dp/B0FJ27H6N5) [**tado Smart Thermostat X Add-on as Wired Room Thermostat**tado**£60.37**182 rev1y ago](https://www.amazon.co.uk/dp/B0CWPG6G5W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BeFit24 Tuya WiFi Smart Thermostat For Underfloor Heating | Smart Thermostat Tuya | App Control | Programmable Thermostat | Alexa Google Assistant Compatible | 16A 3600W**BeFit24**£20.00**4.0★**▲ 345%**](https://www.amazon.co.uk/dp/B0GBZWLWC2) [**DollaTek Home Nonprogrammable Thermostats Electric Heating Manual Thermostat Underfloor Appliance Floor Sensor 230V-240V AC 16A 4 Wire**DollaTek**£8.11**4.4★**▲ 287%**](https://www.amazon.co.uk/dp/B0CSJC6J5H) [**Smart Underfloor Heating Thermostat with LED Display Anti False Home Thermostat for Electric Underfloor Heating High Accuracy Temperature Controller 16A AC85V (Black)**Denash**£17.27**3.7★**▲ 133%**](https://www.amazon.co.uk/dp/B0DLP4GQYC) [**Meross Smart Thermostat for Electric Underfloor Heating WiFi Thermostat Works with Matter HomeKit Alexa Google and Home Assistant Smart Heating with Timer App Control Energy Saving Hubless**meross**£46.26**4.3★**▲ 122%**](https://www.amazon.co.uk/dp/B0FHYS2N4F) [**MincoHome Smart Thermostat Save Energy WiFi Digital Room Thermostat Underfloor Heating Temperature Controller Compatible with Alexa and Google Assistant (White for Electric Heating)**MincoHome**£27.50**4.0★**▲ 101%**](https://www.amazon.co.uk/dp/B0BHT18JNH)
**~~View all trending →~~**
## **What buyers say about underfloor heating thermostats**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**19%
*“Easy to install”*
**Ease Of Use**10%
*“I found it incredibly easy to use”*
**Value For Money**9%
*“great value”*
**Design-Overall**8%
*“It looks nice”*
**Advertised Vs Actual Product**6%
*“does what is says and more”*
**Heating**6%
*“It makes controlling the heating super simple”*
**Temperature Control**5%
*“It makes controlling the heating super simple”*
**Remote Control**5%
*“Great for remote monitoring”*
**Connectivity-Overall**4%
*“Not too difficult to link to WiFi”*
**Quality-Overall**4%
*“Great product”*
### **What buyers complain about **
**Instructions/User Manual/Troubleshooting**11%
*“the manual is useless”*
**Ease Of Use**10%
*“Is very difficult to navigate”*
**Functionality-Overall**10%
*“neither powered on”*
**Heating**10%
*“Or the floor goes cold”*
**Connectivity-Overall**7%
*“After 2 weeks disappear from app then can't connect to WiFi”*
**Noise Level**7%
*“the unit makes a loud beeping noise”*
**Quality-Overall**6%
*“An appalling brand”*
**Size-Overall**6%
*“Not fit for purpose”*
**Software/Application**6%
*“App control is dismal”*
**Moist/Dry**4%
*“No dry contact operation”*
### **Top return reasons **
**Compatibility-Overall**25%
**Functionality-Overall**19%
**Connectivity-Overall**14%
**Defective Material/Parts**13%
**Size-Overall**6%
**Heating**6%
**Color**4%
**Measurement/Reading Accuracy**2%
**Assembly/Installation**2%
**Display-Overall**2%
## **Common questions**
- **Is underfloor heating thermostats profitable to sell on Amazon United Kingdom?**
- The niche generates £18K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -48.4%. Flapen's verdict: Skip it (38/100).
- **How competitive is the underfloor heating thermostats niche?**
- 13 brands and 24 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in underfloor heating thermostats?**
- Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Ease Of Use, Functionality-Overall. The return rate is 6.0% — above our launch gate.
- **When does demand for underfloor heating thermostats peak?**
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 5.0× the quietest.
- **What does it cost to enter the underfloor heating thermostats niche?**
- Listings span £8.11–£70.04; the average listing price is £28.83 (sweet spot $15–$100). The average incumbent carries 497 reviews — the moat a new listing must climb.
## **Related niches in DIY & Tools**
- 68 [**cardboard cutter**](https://flapen.com/research/uk/diy-tools/cardboard-cutter)£343K/yr+30.6%**Worth a look**- 68 [**door canopy**](https://flapen.com/research/uk/diy-tools/door-canopy)£202K/yr+187.7%**Worth a look**- 68 [**fence post repair**](https://flapen.com/research/uk/diy-tools/fence-post-repair)£359K/yr-8.2%**Worth a look**- 68 [**cat window guard**](https://flapen.com/research/uk/diy-tools/cat-window-guard)£98K/yr+413.1%**Worth a look**- 68 [**sun shade**](https://flapen.com/research/uk/diy-tools/sun-shade)£202K/yr+187.7%**Worth a look**- 69 [**brass hose connector**](https://flapen.com/research/uk/diy-tools/brass-hose-connector)£66K/yr+122.8%**Worth a look**[**All DIY & Tools niches **](https://flapen.com/research/uk/diy-tools)