Top 7 Locking Sash Jammers UK – Window Locks & Latches

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1. Schlosser Technik

4 x White Premium Key Locking Sash Jammers UPVC Window Door Lock Security Guard Arm Blocker with Jack Nuts and Screws

Schlosser Technik - Peace of mind - satisfy insurance and relax. Highly secure - can key lock jammer arm. Super strong - cast zinc with durable powder-coated finish. Fixings supplied - use jack nuts or choice of screws. Easy to use - just twist to secure door or window.
BrandSchlosser Technik
ManufacturerSchlosser Technik
Height3.9 cm (1.54 Inches)
Length8.7 cm (3.43 Inches)
Weight0.19 kg (0.43 Pounds)
Width2 cm (0.79 Inches)
Part NumberTPVC

2. Kamtop

Kamtop Sash Jammers Blockers with Key 2PCS Sash Blockers Durable Zinc Alloy Window Restrictor Jammers with Fixing Screws Spacers Button Gaskets Home Security for UPVC Doors and Windows

Kamtop - 2pcs sash jammers coming with fixing screws, Spacers, Button Gaskets, These Sash Blockers Are Ideal for Additional Home Security. White decoration white powder Coated Finish, a Good Match with Your Windows and Doors. Durable material these window jammers Are Made of High Quality Zinc Alloy Which Make It Durable to Use. More safer the jammer arm can also be locked with the Key Provided, Can Be Used on UPVC Windows or Doors. Easy to operate these door jammers are easy to Fit, Just a Twist of the Jammer Arm Will Lock or Release the Sash.
BrandKamtop
ManufacturerKamtop
Height16 cm (6.3 Inches)
Length2 cm (0.79 Inches)
Width10 cm (3.94 Inches)
Part NumberSash Jammers Blockers
ModelSash Jammers Blockers

3. XFORT

XFORT® 4 Pack Door Jammer and Window Locks for uPVC Doors and Windows, a Quick Low-Cost Home Security Solution., French Doors Security Lock, Locking Sash Jammers for Double Glazed Doors & Windows

XFORT - Features: the xfort locking sash jammer is effectively a robust door stopper and sash window lock. Finish: these sash jammers are made from high quality cast zinc for strength and durability. Acting like a door lock with key. Please refer to the images for detailed product dimensions.

It is a must-have for your home for enhanced security, preventing intruder access through your front door, other external doors or uPVC windows. You don’t need to be a DIY expert and require only basic tools to complete the fitting. The upvc door and window blockers are simple to use and easy to install. The slim design offers a sleek look that won’t take away from your home décor. Fixtures and fittings: all fixtures and fittings are provided, including keys, fixing screws and plastic hole covers. Safety lock for kids: these door and window locks will protect curious children from unlocking the sash jammer and opening the window or door on their own, helping to ensure the safety of your child when out of your line of sight.

This is achieved by preventing the levering of the door leaf or window sash. They are finished in pure white to match the most popular uPVC frame colour. This ensures total security, providing added resistance against forced entry. Secure locked arm: the locking sashjammer features a durable locking arm that does not move out of position once it is locked in place with the key i.
BrandXFORT
ManufacturerMaher London Ltd

4. ERA

4X White UPVC Sash Jammer Snaplocks for Window Door Frame Child Safety & Extra High Security Locking Restrictor

ERA - For further dimensions Please Refer To Images In Gallery. Supplements Other Locking Devices. Suitable for open-In Or Open-Out Windows. No jig required - Screws Into Existing Installation.
BrandERA
ManufacturerWhite Hinge

5. Schlosser Technik

Key Locking Sash Window Jammer/Window Restrictor for UPVC Windows & Doors, Extra Security

Schlosser Technik - High quality zinc construction with durable die cast finish. Simple & easy to fit - just 5 minutes simple work. Complete fixing kit provided with 3 types of fixing screws to suit. Recommended by insurance companies for home security upgrades.
BrandSchlosser Technik
ManufacturerSchlosser Technik

6. WP

WindowParts WP Flexi Key Locking Sash Jammer/Blocker, Restrictor Lock, uPVC Doors & Windows Additional Home Security

WP - Provides additional strength and security. Each pack contains packers, screw cap covers, button spacers, key and screws. Helps to prevent forced entry or accidental opening. Key locking functionality. Key locking sash jammer/Blocker suitable for uPVC windows & doors.
BrandWP
ManufacturerWindowParts Ltd

7. Schlosser Technik

Key Locking Sash Window Jammer/Window Restrictor for Timber/Composite/Casement Windows Extra Security

Schlosser Technik - Recommended by insurance companies for home security upgrades. High quality zinc construction with durable die cast finish. Simple & easy to fit - just 5 minutes simple work. Complete fixing kit provided with 3 types of fixing screws to suit.
BrandSchlosser Technik
ManufacturerSchlosser Technik