French doors : Features an adjustable sliding lock bar to fit door handles at different spacings. Compatible with standard French double-door with round door knobs, straight lever door handles. It effectively prevents door handle manipulation (to stop unauthorized entry/exit) and resists forced kicks from the outside.
eBay
Tuya App Smart Lock Household Anti-theft Door Fingerprint Lock With Camera Password Lock Large Door Lock
Aliexpress UK
Pair of high security euro profile cylinder locks - ideal for double doors, front/back and porch/front combinations. Protects against Lock Snapping, Lock Bumping, Lock Picking, Plug Pulling, Lock Extraction and Lock Drilling.
eBay
Stainless Steel Spring Gate Latch Cable Pull for Metal Wooden Fence/Garden Door 2inch to 6inch Posts with Door Latch Gate Opener
Aliexpress UK
Security hasp bracket conceals and protects the padlock shackle. Tested to the rigorous Standards, this security hasp. Hardened Steel Hasp FD4060BK Hasp Bracket Coach bolt Length 100mm. Suitable for Right- or Left-hand opening doors.
eBay
Tuya WiFi/ZigBee Door Window Sensor Smart Home Wireless Door Open Close Detectors APP Remote Alarm Work with Alexa Google Home
Aliexpress UK
French doors : Features an adjustable sliding lock bar to fit door handles at different spacings. Compatible with standard French double-door with round door knobs, straight lever door handles. French door locks for double doors : The 1-1/2" opening accommodates the neck of most double-door knobs/levers for secure locking.
eBay
Tuya WiFi/ZigBee Door Window Sensor Smart Home Wireless Door Open Close Detectors APP Remote Alarm Work with Alexa Google Home
Aliexpress UK
This door key chain is made from durable stainless steel, measuring 8 cm in length and featuring a sleek silver colour. The addition of this key chain provides extra security for your door, making it a convenient and practical DIY solution to enhance the safety of your home.
eBay
Wireless Doorbell IP44 Waterproof Smart Home Welcome Door Bell 300M Range 60Songs Intelligent Home Chime Bell Kit US/EU Plug
Aliexpress UK
With our knowledge and wide range of repair parts, we can solve any problems you may have with your uPVC windows and doors. They simply screw on to the window or door and twist over, securing the opening from outside intruders.
eBay
Wireless Doorbell for Home Outdoor USB Door Bell DC 5V RF433 MHz Pairing Remote Control 30 Ringtongs Volume Adjust Bed Care Call
Aliexpress UK
Fits most security bolts or rack bolts (up to 45mm thic). Security door bolt key. Length of key spline : 30mm.
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RF433 MHz Wireless Doorbell Outdoor For Home USB Smart Door Bell Pairing Remote Control 60 Ringtongs 5 Levels Adjustable Volume
Aliexpress UK
UNIVERSAL USE: Suitable for most uPVC and timber windows or doors, whether they open inwards or outwards. Ideal for vulnerable ground floor windows or patio doors.
eBay
35mm Hinge Hole Opener Accuracy Locator Door Drilling Guide Drilling Jig Drill Bits for Cabinet Door Installation Hinge Jig
Aliexpress UK