Best Water Detectors Deals Online in the UK (10 Deals Found)

Last Updated - 14/09/2026 Sort By:

Best Choice
Tapo

New
Tapo T300 Smart Water Leak Detector, Water Leak Sensor, Drip Leak Alert, Instant Notifications, 90dB Alarm, Waterproof,
Drip & Leak Alert - Responds to drips and leaks with 6 detection probes on both top and bottom.

£17.99 £22.99
15% Off
SwitchBot

New
SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterp
Real-time Notifications (No Hub Needed): After connecting to Wi-Fi, you will be able to receive real-time email and app

£16.99 £19.99
Best Value
SwitchBot

New
SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Customizable Alarms & App Notifications, IP67 Waterproof,
Real-time Notifications (No Hub Needed): After connecting to Wi-Fi, you will be able to receive real-time email and app

£13.99 £17.99
SEBSON

New
SEBSON 3x Water Alarm Mini GS153, 10 year long term battery, water detector 60x60x24.2mm, sensor with lithium battery
Water detector GS153 with permanently installed 10 year lithium long-term battery.

£37.99
plplaaoo

New
Water Leak Detector, Water Pipe Leakage Detector, Hy 929 Water Pipeline Leak Detector Plumbing Engineering Leak Detectio
Advanced Technology for Precise Detection: This water leak detector incorporates cutting-edge Japanese technology to sig

£50.73
X-Sense

New
X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Ki
Real-Time Notifications: When a water leak is detected, a push alert will be sent to your phone, so you’ll be alerted qu

£55.99
Geevon

New
Geevon Water Leak Detector, 100dB Water Sensor Alarm Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, G
LOUD 100DB WATER ALARMS FOR HOME: Each water leak detector features ultra-loud 100dB alarm audio which is loud enough to

£13.99
SEBSON

New
SEBSON 2x Water Alarm Mini GS153, 10 year long term battery, water detector 60x60x24.2mm, sensor with lithium battery
Water detector GS153 with permanently installed 10 year lithium long-term battery.

£26.99
erdiegle

New
Erdiegle Water Leak Detector, 135dB Water Sensor Alarm Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens,
🔔【24/7 Peace of Mind】The water alarm is a must-have for homeowners, providing peace of mind and great protection for an

£10.99
10% Off
X-Sense

New
X-Sense Wi-Fi Water Sensor with SBS50 Base Station, Smart Water Leak Detector, App Alerts, IP67 Waterproof, Wireless Det
Never Miss a Leak: When a water leak is detected, a red light will flash on the water leak sensor and the base station w

£59.49 £65.99

10 Water Detectors deals are available from: Amazon stores, starting from £10.99.
The biggest discount we found is 22% on SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Customizable Alarms & App Notifications, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement at Amazon.
The lowest price we found is £10.99 while the highest is £59.49.
Prices for the best Water Detectors deals average at £30.51.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Water Detectors.