water leak detector
Skip itA small market ($61K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible£31.77avg listing price — sweet spot $15–$100
Price range
Great£7.00–£120.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Good830.04avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Brand share
Okay75%top-5 brand share — brands hold most of the demand
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-15.9%90-day search growth — must beat 0% to launch
Market size
Bad£61K£61K/yr · 78K searches
According to Flapen's Amazon United Kingdom niche tracking, water leak detector is a £61K/yr Amazon United Kingdom market (78K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 45/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
water leak detector market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £48K–£64K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #73
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 3.7%
- Avg brand age
- 39 months
- Avg seller age
- 179 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
33
Top-5 brand share
75%
Top 20: 100%
Top-5 click share
59%
Top 20: 94%
Open market
20%
- Tapo26%
- SwitchBot21%
- X-Sense16%
- Geevon8%
- BSIDE5%
- SONOFF5%
Demand & seasonality
Weekly Amazon search volume, last 85 weeks — -15.9% search growth over the last 90 days.Peak months: Jan, Nov · busiest ÷ quietest = 1.8×
Top water leak detector search terms
- water leak detector41K/yr
- leak detector17K/yr
- water sensor7K/yr
- water leak sensor7K/yr
- water alarm3K/yr
- water detectors3K/yr
Top water leak detector 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Tapo T300 Smart Water Leak Detector Water Leak Sensor Drip Leak Alert Instant Notifications 90dB Alarm Waterproof Hub Required Battery Included Flexible Placement Visible Alarm with Tapo Lights
Tapo£14.714.6★227 rev
SwitchBot WiFi Water Sensor No Hub Required Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts IP67 Waterproof Wireless Detector for Home with 1m (3.28ft) Sensing Cable (Support 2.4G)
SwitchBot£14.734.5★1,416 rev
X-Sense Wi-Fi Water Leak Detector Smart Water Sensor Alarm Water Detector Alarm with 1700 ft Transmission Range for Kitchens Basements Bathrooms 3 Water Detectors & 1 Base Station SWS54
X-Sense£38.684.5★1,390 rev
Geevon Water Leak Detector 100dB Water Sensor Alarm Flood Detector
Geevon£12.054.5★2,928 rev
SwitchBot WiFi Water Sensor Smart Water Leak Detector 100dB Customizable Alarms & App Notifications IP67 Waterproof Wireless Detector for Kitchen Bathroom Basement
SwitchBot£12.724.4★1,007 rev
Newest
by launch date
VETOUCH Water Leak Detector with Loud Alarm 100dB Siren & LED Flash Water Sensor Alarm for Home Basement Sump Pump Kitchen Bathroom RV Water Heater Indoor Outdoor3-Pack
VETOUCH£29.4286 rev
FireAngel FA7011 Water Leak Sensor - Water Leak Detector - Flood Water Sensor Alarm for Kitchen Bathroom Basement Laundry Room - White
Fireangel£12.3640 rev
BSIDE HX3 Thermal Imaging Camera High Resolution 240x240 Handheld Thermal Imager with 15 Colour Palettes Thermal Camera 25Hz Refresh Rate -4-1022F for Water Leaks HVAC Automotive Electronics Repair
BSIDE£93.6710 rev
SwitchBot WiFi Water Sensor No Hub Required 3Pack Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts IP67 Waterproof Wireless Detector for Home with 1m(3.28ft) Sensing Cable
SwitchBot£34.12248 rev
TOPDON TC004 Mini Thermal Imaging Camera 240x240 IR Resolution Handheld Infrared Thermal Camera 15H Battery Life 25Hz -20C to 450C High/Low Temp Alert for Home Maintenance Leak/HVAC Inspection
TOPDON£120.321,153 rev
Trending
90-day click momentumVETOUCH Water Leak Detector with Loud Alarm 100dB Siren & LED Flash Water Sensor Alarm for Home Basement Sump Pump Kitchen Bathroom RV Water Heater Indoor Outdoor3-Pack
VETOUCH£29.424.4★
Geevon Water Leak Detector 100dB Water Sensor Alarm Flood Detector
Geevon£12.054.5★
TOPDON TC004 Mini Thermal Imaging Camera 240x240 IR Resolution Handheld Infrared Thermal Camera 15H Battery Life 25Hz -20C to 450C High/Low Temp Alert for Home Maintenance Leak/HVAC Inspection
TOPDON£120.324.5★
Water Overflow Sensor Detector 120dB Water Leakage Alarm System for Leak Detection and Flood Alerts
VBESTLIFE£7.003.8★
Geevon Water Leak Detector 100dB Water Sensor Alarm Flood Detector
Geevon£20.104.5★
What buyers say about water leak detector
What buyers praise and complain about, mined from review topics.What buyers love
“Easy installation”
“Great devices”
“Worth the money”
“Works very well”
“Brilliant sensor”
“Easy to use”
“It does what I wanted”
“We were able to stop the leak”
“Easy to use and connect”
“What makes these sensors truly standout is their battery life and coverage”
What buyers complain about
“from a small leak from the washing machine connection”
“Unable to connect to WiFi after 2 hours of trying”
“I had a problem with set up”
“The alarm tone is very loud”
“Cord did not detect water”
“Have been unable to integrate my into my home automaton ecosystem”
“measured the voltage. battery was completely dead”
“or highly misleading”
“metal parts rust”
“Doesnt work”
Top return reasons
Common questions
- Is water leak detector profitable to sell on Amazon United Kingdom?
- The niche generates £61K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.9%. Flapen's verdict: Skip it (45/100).
- How competitive is the water leak detector niche?
- 15 brands and 33 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 75% of demand.
- What do buyers complain about in water leak detector?
- Top complaints mined from reviews: Leak-Proof, Connectivity-Overall, Assembly/Installation. The return rate is 2.5%.
- When does demand for water leak detector peak?
- Demand peaks in Jan–Nov; the busiest month runs 1.8× the quietest.
- What does it cost to enter the water leak detector niche?
- Listings span £7.00–£120.32; the average listing price is £31.77 (sweet spot $15–$100). The average incumbent carries 830 reviews — the moat a new listing must climb.