We Chose The Best Sash Window Locks in The UK - 10/2025

4 Pack Sash Jammer Blocker - Door & Window Lock Anti Theft - Additional Home Security for PVC/uPVC Windows and Doors - White

4 Pack Sash Jammer Blocker - Door & Window Lock Anti Theft - Additional Home Security for PVC/uPVC Windows and Doors - White

Sandiyago

18% OffFree Shipping

Why we love it

Solid and Durable Material.
Enhanced Security Features.
Easy Installation process.

Main Highlights

Material: The window security anti-theft lock is made of solid cast zinc structure, with a durable powder-coated surface, wear-resistant, smooth white surface, and can be used for a long time. You will get 4 window locks and matching screws.
Security: Installing a sash jammer locks on the window can protect your children and pets, and also prevent thieves from entering your home, making your stay safer and more comfortable.
Easy to Install and Use:The sash stopper can be easily installed using the included fixing screws, just follow the installation instructions provided. Just twist the interference arm to lock or release the window sash.
Application: These Window Latch are suitable for PVC-u and wood/composite doors and windows. It is also suitable for vertical sliding, single-hung and double-hung vinyl windows.
Multiple Functions: you can use vertical sliding sash lock on windows and sliding doors; The window sash lock set can also be given to your friends and family as an indispensable family gift to provide security for their lives, which can easily get their welcome and love

8.9

Excellent

8.9

Excellent

Sandiyago

4 Pack Sash Jammer Blocker - Door & Window Lock Anti Theft - Additional Home Security for PVC/uPVC Windows and Doors - White

18% OffFree Shipping

Why we love it

Solid and Durable Material.
Enhanced Security Features.
Easy Installation process.

Main Highlights

Material: The window security anti-theft lock is made of solid cast zinc structure, with a durable powder-coated surface, wear-resistant, smooth white surface, and can be used for a long time. You will get 4 window locks and matching screws.
Security: Installing a sash jammer locks on the window can protect your children and pets, and also prevent thieves from entering your home, making your stay safer and more comfortable.
Easy to Install and Use:The sash stopper can be easily installed using the included fixing screws, just follow the installation instructions provided. Just twist the interference arm to lock or release the window sash.
Application: These Window Latch are suitable for PVC-u and wood/composite doors and windows. It is also suitable for vertical sliding, single-hung and double-hung vinyl windows.
Multiple Functions: you can use vertical sliding sash lock on windows and sliding doors; The window sash lock set can also be given to your friends and family as an indispensable family gift to provide security for their lives, which can easily get their welcome and love

We scanned 743 products

We reviewed these offers relevant to the Sash Window Locks within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like ERA, White Hinge, EAI, Merriway, Yale, TERF, WITPOCE, Sandiyago, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Sash Window Locks in the market, we considered we took a deep dive into 3716 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is ERA 826-33 Sash Window Screw Locks - Brass (6 Pieces). We love many things about this product by ERA. What sets it apart from the competition is Concealed for seamless look, Provides secure key locking, Simple, discreet installation.

The best value product for most shoppers and where user satisfaction is continuously the highest is 2X Solid Brass Sash Brighton Window Fasteners - Window Frame Twist Locks/Catches by White Hinge based on online reviews by bloggers, experts and online shoppers.

The biggest bargain at the moment for Sash Window Locks and the best cost-to-value ratio is ERA 826-33 Sash Window Screw Locks - Brass (6 Pieces)at ERA with a 19% discount.

Our list of the best Sash Window Locks is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

Best Sash Window Locks of 2025

We scanned 743 products

We concluded that: