Traditional high security Yale Nightlatch approved to British Standard BS 8621:2007 and Police Secure by Design. Internal nightlatch handle can be locked from the inside with a key, ideal for use with wooden doors with glazed panels.
eBay
3/5Pcs T-locks Plastic+Stainless Steel+Zinc Alloy UPVC Child Safe Security Window Door Sash Lock Safety Lever Handle Sweep Latch
Aliexpress UK
ERA Front Door BS High Security Nightlatch. The ERA British Standard High Security Nightlatch provides maximum security to replace most existing front door locks. Double Locking Various Type Safety. EXPERT ADVICE.
eBay
1pc Security Door Chain Home Office Lock Guard Latch Stainless Steel Silver Sliding Fastener For Home Door Lock Hardware
Aliexpress UK
Latch bolt automatically deadlocks when door is shut - prevents credit card attack. Bolt can be held in the withdrawn position (only) with the use of the snib feature.
eBay
Home Security Door Lock Aluminum Alloy Anti-theft Door Lock Childproof Reinforcement Safety Latch 800Lbs Door Reinforcement Lock
Aliexpress UK
Yale YALP85BLXPB P-85-BLX-PB-40-Deadlocking Nightlatch Brass Finish, High Security Deadlock, Brasslux, 40 Deadlocking inside handle by reverse turn of key. Deadlocking nightlatch operated by key from outside, ideal if property is left unattended for long periods.
eBay
Zinc Alloy Adjustable Box Case Boiler Flat Lock Security Switch Hasp Latch Lock For Wooden Windows Cupboard Furniture Plane Lock
Aliexpress UK
Great quality lock as one would expect from ERA. 3 keys included.
eBay
NAIERDI Hasp Lock Catch Latch Security Lock Zinc Alloy Twist Knob Keyed Door Lock with Keys for Drawer Cabinets Letter Box
Aliexpress UK
ERA High Security BS3621 British Standard Nightlatch -extra key options. Polished Brass (Lock body and cylinder). Lock Colour Lock size Images are of the 40mm backset lock. Choose the number of keys you require from the drop down options.
eBay
1pc Security Door Chain Home Office Lock Guard Latch Stainless Steel Silver Sliding Fastener For Home Door Lock Hardware
Aliexpress UK
Brand new sealed, please see photos for further details. *The statement that it fits all brands was true when product manufactured; unsure if still accurate. Because this item is shipped for free, the seller will select the shipping service. If you need it shipped via a more expensive service, you will be required to message me through eBay prior to the purchase, and to pay the difference in cost. Thank you.
eBay
ABS Child Proof Cabinet Locks For Doors Refrigerator Oven Drawer Lock Kids Proofing Freezer Invisible Security Furniture Latches
Aliexpress UK
Case Size(mm): 129H x 77D Backset: 57mm Centres: 48mm Forend Size (mm): 180L x 25W Satin Chrome Finish Standard cylinder length is suitable for doors up to 48mm thick. For doors in excess of this thickness, order correct cylinder length accordingly. Latchbolt is easily reversed without opening the lockcase. Latchbolt is withdrawn by single euro profile cylinder from, outside and lever handle inside. Door is automatically deadlocked when closed. Latch can be held in withdrawn position by operating a snib in the forend, with the special key supplied. Can be operated by key from either side using double cylinder.
eBay
304 Stainless Steel Surface-Mounted Bolt Latch - Large-Size, No-Drill Lock for Security Doors & Wooden Doors-Padlock Compatible
Aliexpress UK