---
title: "Bath Thermometer — £402K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/bath-thermometer"
last_updated: "2026-08-11T04:45:50.033Z"
locale: en
meta:
description: "Niche score 44/100 · £402K/yr market · 488K searches/yr · £8.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £402K/yr market · 488K searches/yr · £8.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bath Thermometer — £402K/yr Amazon UK Niche (2026) - Flapen"
---
# **bath thermometer**
**Skip it**
A concentrated shelf (top 5 take 88% of clicks) — this niche doesn't clear our bar today.
Market size 56Growth 14Conversion 88Competition 10Returns 96Price range 19Avg price 22Brand share 22Review moat 24Quality gap 87
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****10.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****£402K**
£402K/yr · 488K searches
**Review moat**
**Bad****5,062.22**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****£8.07**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£3.35–£17.70**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-21.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, bath thermometer is a £402K/yr Amazon United Kingdom market (488K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bath thermometer market data**
- **Units sold / yr**
- **50K–60K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **£404K–£484K**
- units × avg price
- **Conversion rate**
- **10.2%**
- **Avg BSR**
- **#5**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▲rising
**Sellers**
**69**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**5%**
- Nuby42% - TensCare21% - Babyono15% - PHILIPS8% - Tommee Tippee6% - DARLEEYO3% - Open — no brand owns it (2 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.0% search growth over the last 90 days.
15K10KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/baby-products/bath-thermometer/trend)
## **Top bath thermometer search terms**
- **bath thermometer**179K/yr-16.8%8.9% conv. - **baby bath thermometer**166K/yr-15.8%8.5% conv. - **bath thermometer digital baby**39K/yr-31.9%9.7% conv. - **bath temperature thermometer**13K/yr-12.4%9.7% conv. - **bath thermometer baby**10K/yr-6.2%8.4% conv. - **nuby bath thermometer**11K/yr-7.1%11.7% conv. - **bath thermometer digital**7K/yr+29.5%10.9% conv. - **water thermometer baby bath**9K/yr-34.8%9.2% conv. - **baby bath thermometer newborn**10K/yr-45.0%8.3% conv. - **baby thermometer bath**11K/yr-52.9%7.8% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/bath-thermometer/search-terms)
## **Top bath 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%10%£40K20%£80K30%£121K40%£161K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nuby Penguin Baby Bath Thermometer - Digital Thermometer with Easy to Read Screen | BPA Free | Suitable from Birth (Grey)**Nuby**£8.18**4.1★2,791 rev](https://www.amazon.co.uk/dp/B09V3914B4) [2**TensCare Digi Duckling Digital Water LCD Thermometer and Baby Bath Time Toy yellow Pack of 1**TensCare**£5.60**4.1★8,942 rev](https://www.amazon.co.uk/dp/B00E972VZW) [3**BabyOne Giraffe Baby Safe Floating Bath Thermometer Analog**Babyono**£3.35**4.7★12,258 rev](https://www.amazon.co.uk/dp/B00M49PJ1U) [4**Philips Avent Digital Thermometer (Model SCH480/00)**PHILIPS**£17.70**4.6★13,461 rev](https://www.amazon.co.uk/dp/B07WKN8NQQ) [5**Tommee Tippee InBath Digital Thermometer Suitable for Bathing and their Nursery Waterproof and Floats in Water Easy to Read LCD Display**Tommee Tippee**£9.90**4.1★4,947 rev](https://www.amazon.co.uk/dp/B00OB25IKK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**INRIGOROUS Floating Boat Bath Thermometer for Babies & Kids - LCD Digital Display Easy to Read Water Temperature Fun Bath Toy Cute Floating Boat Shape**INRIGOROUS**£6.46**13 rev11mo ago](https://www.amazon.co.uk/dp/B0FKTG68SW) [**Nuby Hippo Baby Bath Thermometer - Digital Thermometer with Easy to Read Screen | BPA Free | Bath & Room Thermometer | Suitable from Birth (Blue)**Nuby**£8.76**2,791 rev1y ago](https://www.amazon.co.uk/dp/B0FDR71T6Z) [**Floating Baby Bath Thermometer Digital - Waterproof Led Display Baby Essentials for New born Baby Shower Nursery Products Bathing Water Temperature Monitor for Kids Children Infant Toddlers Newborns**DARLEEYO**£7.21**73 rev1y ago](https://www.amazon.co.uk/dp/B0DWFMPZ9Y) [**Reliance Medical Duck Bath Thermometer - Waterproof Color-Coded Display Quick-Read Energy Saving Auto Off Educational Temperature Toy Child-Safe Ideal for Babies & Toddlers**Reliance Medical**£5.50**284 rev2y ago](https://www.amazon.co.uk/dp/B0CSPB34SK) [**Nuby Penguin Baby Bath Thermometer - Digital Thermometer with Easy to Read Screen | BPA Free | Suitable from Birth (Grey)**Nuby**£8.18**2,791 rev4y ago](https://www.amazon.co.uk/dp/B09V3914B4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nuby Hippo Baby Bath Thermometer - Digital Thermometer with Easy to Read Screen | BPA Free | Bath & Room Thermometer | Suitable from Birth (Blue)**Nuby**£8.76**4.1★**▲ 125%**](https://www.amazon.co.uk/dp/B0FDR71T6Z) [**INRIGOROUS Floating Boat Bath Thermometer for Babies & Kids - LCD Digital Display Easy to Read Water Temperature Fun Bath Toy Cute Floating Boat Shape**INRIGOROUS**£6.46**3.8★**▲ 47%**](https://www.amazon.co.uk/dp/B0FKTG68SW) [**Philips Avent Digital Thermometer (Model SCH480/00)**PHILIPS**£17.70**4.6★**▲ 38%**](https://www.amazon.co.uk/dp/B07WKN8NQQ) [**Nuby Penguin Baby Bath Thermometer - Digital Thermometer with Easy to Read Screen | BPA Free | Suitable from Birth (Grey)**Nuby**£8.18**4.1★**— 7%**](https://www.amazon.co.uk/dp/B09V3914B4) [**TensCare Digi Duckling Digital Water LCD Thermometer and Baby Bath Time Toy yellow Pack of 1**TensCare**£5.60**4.1★**— 5%**](https://www.amazon.co.uk/dp/B00E972VZW)
**~~View all trending →~~**
## **What buyers say about bath thermometer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Temperature Control**19%
*“Correct temperature range clearly marked”*
**Ease Of Use**15%
*“easy to use”*
**Quality-Overall**12%
*“Cute product”*
**Value For Money**10%
*“Good value for money”*
**Durability**6%
*“durable”*
**Water Resistance**5%
*“I love that its waterproof”*
**Design-Overall**5%
*“The cute design keeps babies engaged”*
**Efficiency**5%
*“Works perfectly”*
**Battery Life**2%
*“Handy, small enough, accurate and battery lasted 6 months so far”*
**Adhesion/Stickiness**2%
*“I assume if the glue was done properly this wouldn't be an issue”*
### **What buyers complain about **
**Durability**37%
*“Breaks easily”*
**Functionality-Overall**21%
*“already not working properly”*
**Battery Life**9%
*“the button battery fell out”*
**Temperature Control**5%
*“the temperature is way off”*
**Quality-Overall**5%
*“Bad quality”*
**Water Resistance**5%
*“Clearly not waterproof”*
**Value For Money**4%
*“waste of money”*
**Measurement/Reading Accuracy**2%
*“Faulty reading”*
**Design-Overall**2%
*“Terrible twist design to open it”*
**Display-Overall**1%
*“display then goes off”*
### **Top return reasons **
**Functionality-Overall**40%
**Defective Material/Parts**13%
**Durability**9%
**Temperature Control**7%
**Measurement/Reading Accuracy**6%
**Water Resistance**4%
**Heating**4%
**Battery Life**3%
**Display-Overall**3%
**Product Condition**2%
## **Common questions**
- **Is bath thermometer profitable to sell on Amazon United Kingdom?**
- The niche generates £402K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -21.0%. Flapen's verdict: Skip it (44/100).
- **How competitive is the bath thermometer niche?**
- 8 brands and 69 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in bath thermometer?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Battery Life. The return rate is 0.9%.
- **When does demand for bath thermometer peak?**
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the bath thermometer niche?**
- Listings span £3.35–£17.70; the average listing price is £8.07 (sweet spot $15–$100). The average incumbent carries 5,062 reviews — the moat a new listing must climb.
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