Door & Window Sensors

3,429 results

Safety and Security Window Film Anti Shatter Clear Glass Protection Bomb Blast
100, 175, Micron*******BS EN 12600*******FREE DELIVERY
Brand new · Unbranded
£1.50 to £545.00
Free postage
PORTABLE WIRELESS CORDLESS SHOP HOME DOOR ENTRY CONTACTS ALERT 32 CHIMES
Brand new · Unbranded
£24.90
Free postage
Click & Collect
Self Alarm Motion Sensor with remote control unit - UK Stock
Brand new
(4)
£21.50
(£21.50/Unit)
Free postage
Click & Collect
102 sold
Wireless Loud Burglar Intruder Door Window House Security Safety Alarm Sensor UK
Brand new
£15.95 to £42.95
Free postage
Click & Collect
51 sold
Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)
Brand new
£2.49 to £7.45
Free postage
1,462 sold
Steel Security Door/Gate with Lockbox 2000mm H x 1000mm W powder coated black
Brand new · Atlantic
£172.00
(£172.00/Unit)
£39.00 P&P
159 sold
New listingWindow And Door Alarms
Brand new · BURG-WÄCHTER
£11.12
or Best Offer
£2.70 P&P
Reed Magnet Set Burglar Surface Door Window Contact Alarm Switch Sensor + Tamper
Brand new
£3.49 to £14.13
Free postage
205 sold
Hive Smart Sensor for Windows and Doors - White
ONLY £15.96 WITH COUPON CODE 'MAYPAY20' ENDS 1ST JUN
Brand new · Hive
(28)
£19.95
Free postage
Click & Collect
251 sold
New listingPhilips WiZ LED P45 Colour Smart Light Bulb E14 4.9W
Brand new · Philips
£15.99
Free postage
Energy Rating F
Visonic Powermax MCT-320 Compact Wireless Door/Window Contact 868MHz
Pre-owned · Visonic
£22.00
(£22.00/Unit)
or Best Offer
Free postage
Click & Collect
100 sold
Yale Sync Smart Home Alarm 9 Piece Family Kit Plus IA-330 - Brand New
Brand new · Yale
(2)
£314.99
(£314.99/Unit)
Free postage
Click & Collect
119 sold
Roller Shutter / Garage Door Contacts, Heavy Duty Pro Quality Alarm Contact
Brand new · Knight
£15.99
Free postage
Click & Collect
133 sold
Response Friedland SLHISM / SLM Wireless Door / Window Sensor 868MHz /RRP £39.95
Brand new · Friedland
£37.95
£3.99 P&P
Only 1 left.
Wireless Door Open Sensor Alarm Chime 400ft Operating Range 52 Chimes Door Alar
Brand new
£25.67
Free postage
Est. delivery Mon, Jun 9
4 watching
Wireless Door Open Sensor Alarm Chime
Brand new
£12.16
£2.94 P&P
Deluxe Door & Window Alarm Black/Silver
Brand new · Unbranded
£5.95
Free postage
Click & Collect
22 watching
Steel Security Door/Gate with Lockbox 2000mm H x 950mm W powder coated black
Brand new · Atlantic
£166.00
(£166.00/Unit)
£39.00 P&P
25 sold
Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)
Brand new
£2.49 to £7.45
Free postage
339 sold
5 Stickers Monitored Alarm System Installed CCTV Camera Security Warning Window
Brand new · Platinum
£3.58
Free postage
1,526 sold
3 x TUYA WiFi 4G GSM Wireless Door & Window Sensors For Smart Burglar Alarm
Brand new
£17.00
Free postage
Click & Collect
NEW 2 Wireless Window Door Burglar Security Alarm 100dB Magnetic Sensor Home
Brand new
£4.50
(£2.25/100g)
Free postage
76 sold
Philips WiZ E14 40W LED P45 Colour Changing Smart Light Candle Bulbs Bluetooth
Brand new · Philips
£19.95
Free postage
Click & Collect
3 watching
Mini Surface Magnet Set Aluminium Metal Door Contact Burglar Alarm Switch Sensor
Brand new
£4.89 to £19.80
(£19.80/Unit)
Free postage
83 sold
WIRELESS DOOR WINDOW CARAVAN SHED MOTORHOME BOAT SECURITY SENSOR ALARM 85DB LOUD
Brand new
(3)
£5.90
Free postage
Click & Collect
159 sold
Wired Door Window Contact Detector White Surface for Intruder Burglar Alarm
Brand new
£2.99
£2.45 P&P
582 sold
Heavy Duty Industrial Door Contact for wired intruder alarm system
Brand new
£8.99
£3.50 P&P
Click & Collect
138 sold
Yale Alarm Window Warning Stickers PACK OF 4 OFFICIAL ALARM STICKERS / RRP £5.79
Official HOME SECURITY SHOP UK / RRP £5.79 (SAVE £2.80)
Brand new · Yale
(27)
£2.99
£0.99 P&P
Only 2 left
L6B WIRELESS Alert IR INFRARED BEAM Motion SENSOR Door Alarm Detector Sleep Walk
Brand new · HomeSafe
£34.64
(£34.64/Unit)
or Best Offer
Free postage
Click & Collect
467 sold
Tuya Smart WiFi Cloud Home Security Alarm System works with Alexa - UK Stock
Brand new
£0.99 to £59.50
Free postage
Smart WiFi Door & Window Sensor for Home| Home Security Tuya
Brand new
£10.00
Free postage
Click & Collect
TEXECOM KIT-0005 Premier Elite 48 Hybrid Wired/Wireless Burglar Alarm System
Brand new · Texecom
£399.00
Free postage
Click & Collect
7 watching
1x 4x 8x Wireless Window & Door Burglar Security Alarm System 🔒
Brand new
£3.75 to £9.99
(£0.94/Unit)
Free postage
28 sold
4 X WIRELESS DOOR WINDOW CARAVAN SHED MOTORHOME BOAT SECURITY SENSOR ALARMS 85DB
Brand new
£12.90
Free postage
Click & Collect
68 sold
Yale Sync Smart Home 6 Piece White Alarm Kit IA-320
Brand new · Yale
£229.00
(£229.00/Unit)
Free postage
Click & Collect
Only 1 left.
Infrared Driveway Alarm,Yard Alarm,Garage/DoorAlarm,Single Beam,Remote Control.
Brand new
£105.00
Free postage
Click & Collect
56 watching
White 10 Way Burglar Alarm Connection Junction Boxes Connector with Leaf Tampers
Brand new
£2.49 to £10.90
Free postage
Steel Security Door , ANGLE IRON Frame Gate , 2000mm x 950 mm - Powder Coated
Brand new · Atlantic
£225.00
(£225.00/Unit)
£30.00 P&P
34 sold
SONOFF DW2 WiFi Wireless Window Door Sensor, Wireless Alarm Security Home Alert
Brand new · Sonoff
£8.39 to £19.19
Free postage
Tuya WiFi/ ZigBee Door Window Sensor Alarm Detector Home Security Smart Alerter~
Brand new
£9.29 to £60.49
Free postage
Pack of 2 Surface Door Window Contact for Wired Burglar Alarm
Brand new · Knight
£6.99
Free postage
Click & Collect
2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK HOME OFFICE
Brand new
£8.19
Free postage
Click & Collect
69 sold
5 x Stickers Monitored Alarm System Installed CCTV Cameras Security Window RED
Brand new · Platinum
£3.58
Free postage
Only 3 left
4 x PROTECTED: WINDOW STICKERS MOTION & IMPACT BURGLAR ALARM THEFT WARNING
✅UK SELLER,🥇H/Q VINYL 🪟INTERNAL FIT, FOR🚗 CAR 🏫HOME
Brand new
£7.28
Free postage
Click & Collect
101 sold
New listingMagnetic Contacts for Shutter & Garage Door for Intruder Alarm MCS-55ZL wired
New (other)
£10.07
or Best Offer
£2.94 P&P
Door and Window Alarms Audible Loud Sensor Alarm Burglar Intruder Security Alarm
Brand new · Unbranded
£3.50
or Best Offer
Free postage
Smart Door Window Sensor WiFi App Detector Phone Alarm Alexa Google Safety New
Brand new · Unbranded
£7.99
(£4.00/Unit)
Free postage
87 sold
4 x Stickers HOME Security 24hr Signs Alarm System Warning Security Window Label
Brand new · Platinum
£3.98
Free postage
1,372 sold
2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK OFFICE HOME
Brand new
(12)
£8.19
Free postage
Click & Collect
Only 3 left
Honeywell Wireless Door & Window Sensor - HS3MAG1S
Brand new · Honeywell
(2)
£8.95
Free postage
Click & Collect
98 sold
Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/C (Open loop)
Brand new
£5.95 to £18.75
Free postage
Click & Collect
Heavy Duty Roller Shutter Switch Door Contact Alarm Sensor Normally Closed
Brand new
£20.95
Free postage
Click & Collect
45 sold
Wireless Door Open Sensor Alarm Chime 400ft Operating Range 52 Chimes Door Alar
Brand new · Unbranded
£19.81
Free postage
Only 1 left.
2Pcs Smart WiFi Door & Window Sensor for Home| No Hub Required
Brand new
£9.99
Free postage
Click & Collect
6 Terminal Reed Magnet Surface Door Window Contact Alarm Switch Sensor + Tamper
Brand new
£4.98 to £16.61
Free postage
CSP031 Smart window and door sensor Clicksmart
Brand new
£11.12
£7.00 P&P
Click & Collect
0 bids
4d 17h
White 7 Way Burglar Alarm Connection Junction Boxes Connector with Leaf Tampers
Brand new
£2.25 to £14.20
Free postage
80 sold
Outdoor PIR Motion Detector For Perimeter Intruder Detection by Texecom
Brand new · Texecom
£88.32
(£88.32/Unit)
Free postage
Est. delivery Mon, Jun 9
Panamalar Door Window Sensor Wifi Door Alarm System, Detects Opened and...
Brand new
£23.59
Free postage
Click & Collect
Only 1 left.
Magnetic Contacts for Shutter & Garage Door for Intruder Alarm MCS-55ZL wired
Brand new
£12.00
or Best Offer
£2.90 P&P
Click & Collect

Top-rated

See all

Hive HAH2SENSOR Window and Door Sensor
(28)

95% agree - Would recommend
£19.95 New
£16.32 Used
Yuasa CR123A-1700 3V Lithium Battery
(9)

100% agree - Would recommend
£4.99 New
Defender EL00001 Window Alert 2 Pcs
(6)

100% agree - Would recommend
£5.00 New
Wireless PIR Motion Sensor Alarm With 2 Remote Controllers for Home Shed 2pack
(96)

93% agree - Would recommend
£19.54 New
Amtech 2pc Door and Window Entry Alarm Set Garage Workshop Tool DIY
(27)

83% agree - Would recommend
£7.17 New
Defender Door Handle Alarm Model EL00002 125 DBS
(46)

87% agree - Would recommend
£4.99 New
Magnetic Contact Keypad Door Alarm Security Code Bell Home Caravan Garage Shed
(9)

66% agree - Would recommend
£8.99 New

Type

Window Sensor
Window Sensor

Door & Window Sensors

Shop by category

3,429 results

Safety and Security Window Film Anti Shatter Clear Glass Protection Bomb Blast

PORTABLE WIRELESS CORDLESS SHOP HOME DOOR ENTRY CONTACTS ALERT 32 CHIMES

Self Alarm Motion Sensor with remote control unit - UK Stock

Wireless Loud Burglar Intruder Door Window House Security Safety Alarm Sensor UK

Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)

Steel Security Door/Gate with Lockbox 2000mm H x 1000mm W powder coated black

New listingWindow And Door Alarms

Reed Magnet Set Burglar Surface Door Window Contact Alarm Switch Sensor + Tamper

Hive Smart Sensor for Windows and Doors - White

New listingPhilips WiZ LED P45 Colour Smart Light Bulb E14 4.9W

Visonic Powermax MCT-320 Compact Wireless Door/Window Contact 868MHz

Yale Sync Smart Home Alarm 9 Piece Family Kit Plus IA-330 - Brand New

Roller Shutter / Garage Door Contacts, Heavy Duty Pro Quality Alarm Contact

Response Friedland SLHISM / SLM Wireless Door / Window Sensor 868MHz /RRP £39.95

Wireless Door Open Sensor Alarm Chime 400ft Operating Range 52 Chimes Door Alar

Wireless Door Open Sensor Alarm Chime

Deluxe Door & Window Alarm Black/Silver

Steel Security Door/Gate with Lockbox 2000mm H x 950mm W powder coated black

Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/O(Closed Loop)

5 Stickers Monitored Alarm System Installed CCTV Camera Security Warning Window

3 x TUYA WiFi 4G GSM Wireless Door & Window Sensors For Smart Burglar Alarm

NEW 2 Wireless Window Door Burglar Security Alarm 100dB Magnetic Sensor Home

Philips WiZ E14 40W LED P45 Colour Changing Smart Light Candle Bulbs Bluetooth

Mini Surface Magnet Set Aluminium Metal Door Contact Burglar Alarm Switch Sensor

WIRELESS DOOR WINDOW CARAVAN SHED MOTORHOME BOAT SECURITY SENSOR ALARM 85DB LOUD

Wired Door Window Contact Detector White Surface for Intruder Burglar Alarm

Heavy Duty Industrial Door Contact for wired intruder alarm system

Yale Alarm Window Warning Stickers PACK OF 4 OFFICIAL ALARM STICKERS / RRP £5.79

L6B WIRELESS Alert IR INFRARED BEAM Motion SENSOR Door Alarm Detector Sleep Walk

Tuya Smart WiFi Cloud Home Security Alarm System works with Alexa - UK Stock

Smart WiFi Door & Window Sensor for Home| Home Security Tuya

TEXECOM KIT-0005 Premier Elite 48 Hybrid Wired/Wireless Burglar Alarm System

1x 4x 8x Wireless Window & Door Burglar Security Alarm System 🔒

4 X WIRELESS DOOR WINDOW CARAVAN SHED MOTORHOME BOAT SECURITY SENSOR ALARMS 85DB

Yale Sync Smart Home 6 Piece White Alarm Kit IA-320

Infrared Driveway Alarm,Yard Alarm,Garage/DoorAlarm,Single Beam,Remote Control.

White 10 Way Burglar Alarm Connection Junction Boxes Connector with Leaf Tampers

Steel Security Door , ANGLE IRON Frame Gate , 2000mm x 950 mm - Powder Coated

SONOFF DW2 WiFi Wireless Window Door Sensor, Wireless Alarm Security Home Alert

Tuya WiFi/ ZigBee Door Window Sensor Alarm Detector Home Security Smart Alerter~

Pack of 2 Surface Door Window Contact for Wired Burglar Alarm

2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK HOME OFFICE

5 x Stickers Monitored Alarm System Installed CCTV Cameras Security Window RED

4 x PROTECTED: WINDOW STICKERS MOTION & IMPACT BURGLAR ALARM THEFT WARNING

New listingMagnetic Contacts for Shutter & Garage Door for Intruder Alarm MCS-55ZL wired

Door and Window Alarms Audible Loud Sensor Alarm Burglar Intruder Security Alarm

Smart Door Window Sensor WiFi App Detector Phone Alarm Alexa Google Safety New

4 x Stickers HOME Security 24hr Signs Alarm System Warning Security Window Label

2 LOUD 95DB WIRELESS DOOR WINDOW ALARMS VIBRATION SHOCK GLASS BREAK OFFICE HOME

Honeywell Wireless Door & Window Sensor - HS3MAG1S

Reed Magnet Set Burglar Door Window Contact Alarm Switch Sensor N/C (Open loop)

Heavy Duty Roller Shutter Switch Door Contact Alarm Sensor Normally Closed

Wireless Door Open Sensor Alarm Chime 400ft Operating Range 52 Chimes Door Alar

2Pcs Smart WiFi Door & Window Sensor for Home| No Hub Required

6 Terminal Reed Magnet Surface Door Window Contact Alarm Switch Sensor + Tamper

CSP031 Smart window and door sensor Clicksmart

White 7 Way Burglar Alarm Connection Junction Boxes Connector with Leaf Tampers

Outdoor PIR Motion Detector For Perimeter Intruder Detection by Texecom

Panamalar Door Window Sensor Wifi Door Alarm System, Detects Opened and...

Magnetic Contacts for Shutter & Garage Door for Intruder Alarm MCS-55ZL wired

Best selling

Honeywell D08M Door Window Wireless Magnetic Contact

Sonoff SNZB-04 Door and Window Sensor - UK Stock - Zigbee - Home Assistant

3 packs of Philips Colour Smart LED WIZ 4.9W 40W E14 Candle - (6 bulbs total)

Texecom GHC0001 Ricochet Micro Wireless Shock Sensor - White

Pyronix SHOCK/W Wired Adjustable Shock Sensor Piezoelectric Sensor Detection

Pyronix CARDEFENDER-WE Vehicle Security Motion Sensor for Cars and Vans Vehicle

Videx Intercom Handset 3171 for Vx2200 Systems Series 3000 Handset

Defender Tsel00024 REDShield Mini Door Chime & Alarm

Top-rated

Hive HAH2SENSOR Window and Door Sensor

Yuasa CR123A-1700 3V Lithium Battery

Defender EL00001 Window Alert 2 Pcs

Wireless PIR Motion Sensor Alarm With 2 Remote Controllers for Home Shed 2pack

Amtech 2pc Door and Window Entry Alarm Set Garage Workshop Tool DIY

Defender Door Handle Alarm Model EL00002 125 DBS

Magnetic Contact Keypad Door Alarm Security Code Bell Home Caravan Garage Shed