---
title: "Room Thermometer — £774K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/room-thermometer"
last_updated: "2026-07-31T16:37:36.307Z"
locale: en
meta:
description: "Niche score 64/100 · £774K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 64/100 · £774K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Room Thermometer — £774K/yr Amazon UK Niche (2026) - Flapen"
---
# **room thermometer**
**Worth a look**
Shows low returns (0.6%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 72Growth 76Conversion 83Competition 57Returns 97Price range 13Avg price 18Brand share 60Review moat 22Quality gap 60
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Great****+63.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****£774K**
£774K/yr · 1.3M searches
**Brand share**
**Good****69%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****9,162.84**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£6.60**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£3.47–£16.77**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, room thermometer is a £774K/yr Amazon United Kingdom market (1.3M searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan–Nov. Verdict: Worth a look — 64/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **room thermometer market data**
- **Units sold / yr**
- **125K–150K**
- avg 4,000–5,000/product
- **Revenue / yr**
- **£825K–£990K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#17**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **6.3%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **178 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▲rising
**Sellers**
**28**
**Top-5 brand share**
**69%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 89%
**Open market**
**27%**
- TempPro42% - Antonki10% - flintronic8% - FUMMDUS5% - SOL4% - DOQAUS4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +63.4% search growth over the last 90 days.
100K60KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/uk/home-garden/room-thermometer/trend)
## **Top room thermometer search terms**
- **room thermometer**388K/yr+116.3%7.1% conv. - **thermometer room temperature**82K/yr+215.4%7.0% conv. - **hygrometer**145K/yr-14.4%5.3% conv. - **room thermometer indoor**79K/yr+86.5%8.2% conv. - **thermometer room**52K/yr+131.7%6.5% conv. - **humidity meter**101K/yr-17.9%6.4% conv. - **thermometers & meteorological instruments**77K/yr+40.9%0.3% conv. - **indoor thermometer**38K/yr+224.8%6.2% conv. - **room temperature monitor**41K/yr+40.1%7.4% conv. - **temperature gauge**28K/yr+148.2%4.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/room-thermometer/search-terms)
## **Top room thermometer 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%5%£39K10%£77K15%£116K20%£155K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**TempPro TP49 Small Digital Hygrometer Indoor Thermometer Room Thermometer**TempPro**£6.64**4.6★10,497 rev](https://www.amazon.co.uk/dp/B07TV364MZ) [2**TempPro TP157 Digital Hygrometer Indoor Thermometer Baby Room Thermometer**TempPro**£5.17**4.5★9,212 rev](https://www.amazon.co.uk/dp/B09VC5PKN5) [3**TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter**TempPro**£7.39**4.5★6,815 rev](https://www.amazon.co.uk/dp/B0G1M6TKD4) [4**Antonki 2 Pack Room Thermometer for Home Indoor Hygrometer Humidity Meter Gauge Digital Temperature and Humidity Sensor Monitor for House Terrarium Incubator Greenhouse - Battery Included**Antonki**£6.66**4.5★6,231 rev](https://www.amazon.co.uk/dp/B0B1WB6JWV) [5**flintronic 1pc Room Thermometer Hygrometer Indoor Mini Digital Temperature Humidity Meter Gauge Accurate Hygrometer with Clear LCD Display and Face Icons for Home Baby Office Garden(with Battery)**flintronic**£3.56**4.3★8,811 rev](https://www.amazon.co.uk/dp/B0B7S7LBMB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GRIFEMA GA2902 Small Digital Hygrometer Indoor Room Thermometer Temperature Monitor and Humidity Meter for Home Office White**GRIFEMA**£4.31**229 rev4mo ago](https://www.amazon.co.uk/dp/B0FG7PQ7SW) [**CNMTCCO Digital Room Thermometer Indoor 4 Pack Hygrometer Humidity Meter for Baby Nursery Home Greenhouse Temperature and Humidity Monitor with Clear LCD Display(White)**CNMTCCO**£8.64**564 rev5mo ago](https://www.amazon.co.uk/dp/B0F2FLDHPY) [**Boulton Small Digital Hygrometer Room Temperature Thermometer Mini Indoor Temperature and Humidity Monitor with LCD Display Face Icon for Home Office Comfort Reptile Greenhouse Garden**BOULTON UK**£3.49**26 rev6mo ago](https://www.amazon.co.uk/dp/B0GDVGML8Z) [**TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter**TempPro**£7.39**6,815 rev8mo ago](https://www.amazon.co.uk/dp/B0G1M6TKD4) [**FUMMDUS Digital Room Thermometer Indoor 5s Refresh Temperature and Humidity Monitor With Comfort Icon AAA Batteries Hygrometers for Terrariums Home Greenhouse Office Thermometers**FUMMDUS**£5.93**186 rev1y ago](https://www.amazon.co.uk/dp/B0FC2QXS2X)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CNMTCCO Digital Room Thermometer Indoor 4 Pack Hygrometer Humidity Meter for Baby Nursery Home Greenhouse Temperature and Humidity Monitor with Clear LCD Display(White)**CNMTCCO**£8.64**4.2★**▲ 248%**](https://www.amazon.co.uk/dp/B0F2FLDHPY) [**GRIFEMA GA2902 Small Digital Hygrometer Indoor Room Thermometer Temperature Monitor and Humidity Meter for Home Office White**GRIFEMA**£4.31**4.5★**▲ 241%**](https://www.amazon.co.uk/dp/B0FG7PQ7SW) [**TempPro TP50 Digital Thermo-Hygrometer Room Thermometer Humidity Meter**TempPro**£7.39**4.5★**▲ 238%**](https://www.amazon.co.uk/dp/B0G1M6TKD4) [**Boulton Small Digital Hygrometer Room Temperature Thermometer Mini Indoor Temperature and Humidity Monitor with LCD Display Face Icon for Home Office Comfort Reptile Greenhouse Garden**BOULTON UK**£3.49**4.3★**▲ 150%**](https://www.amazon.co.uk/dp/B0GDVGML8Z) [**flintronic 1pc Room Thermometer Hygrometer Indoor Mini Digital Temperature Humidity Meter Gauge Accurate Hygrometer with Clear LCD Display and Face Icons for Home Baby Office Garden(with Battery)**flintronic**£3.56**4.3★**▲ 79%**](https://www.amazon.co.uk/dp/B0B7S7LBMB)
**~~View all trending →~~**
## **What buyers say about room thermometer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**18%
*“Good value for money”*
**Quality-Overall**15%
*“Excellent product”*
**Ease Of Use**14%
*“Easy to order”*
**Advertised Vs Actual Product**10%
*“It does what it says”*
**Size-Overall**5%
*“Small and convenient”*
**Display-Overall**3%
*“Clear display”*
**Battery Life**3%
*“battery life is great”*
**Efficiency**3%
*“It does the job”*
**Measurement/Reading Accuracy**2%
*“seems accurate so far”*
**Temperature Control**2%
*“Handy thermostat”*
### **What buyers complain about **
**Size-Overall**20%
*“much larger”*
**Measurement/Reading Accuracy**10%
*“Temp reading is incorrect”*
**Quality-Overall**9%
*“Buy better quality”*
**Durability**8%
*“Broken”*
**Battery Life**7%
*“Ran out of battery”*
**Value For Money**6%
*“And cheaper”*
**Functionality-Overall**5%
*“Only 3 of the 4 devices work”*
**Connectivity-Overall**3%
*“Bluetooth feature doesnt work”*
**Heating**3%
*“One of the thermometers does not work”*
**Advertised Vs Actual Product**2%
*“not a great advert”*
### **Top return reasons **
**Functionality-Overall**25%
**Size-Overall**17%
**Measurement/Reading Accuracy**16%
**Defective Material/Parts**8%
**Connectivity-Overall**7%
**Display-Overall**5%
**Heating**5%
**Quality-Overall**3%
**Advertised Vs Actual Product**3%
**Value For Money**2%
## **Common questions**
- **Is room thermometer profitable to sell on Amazon United Kingdom?**
- The niche generates £774K/yr across 31 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +63.4%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the room thermometer niche?**
- 20 brands and 28 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in room thermometer?**
- Top complaints mined from reviews: Size-Overall, Measurement/Reading Accuracy, Quality-Overall. The return rate is 0.6%.
- **When does demand for room thermometer peak?**
- Demand peaks in Jan–Nov; the busiest month runs 2.8× the quietest.
- **What does it cost to enter the room thermometer niche?**
- Listings span £3.47–£16.77; the average listing price is £6.60 (sweet spot $15–$100). The average incumbent carries 9,163 reviews — the moat a new listing must climb.
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