A white metal sash jammer lock for uPVC windows and doors, including mounting screws.
Size chart and components for Home Secure sash jammer
Application instructions for Home Secure window/door sash jammer
Fitting instructions for the Home Secure window or door sash jammer
Home Secure promotional image highlighting features of a sash jammer product. Key points include: high quality construction, smooth operation, and screws supplied. The image shows two views of the white lock fitted on a uPVC door, along with a branded packet of screws
Examples of Home Secure sash jammers on doors. Left side shows a set of white uPVC patio doors with sash jammer locations highlighted at the top and bottom, labeled 'Door Fitting'. Right side shows a front door with decorative glass panels, highlighting the letterbox and sash jammer installation area, labeled 'Letterbox Lock'. Yellow circles indicate fitting points
Window fitting example for Home Secure sash jammers. Image shows a white uPVC window with the frame seal installed. Two yellow circles highlight the areas where the sash jammer is fitted around the window locking points
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A white metal sash jammer lock for uPVC windows and doors, including mounting screws.Size chart and components for Home Secure sash jammerApplication instructions for Home Secure window/door sash jammerFitting instructions for the Home Secure window or door sash jammerHome Secure promotional image highlighting features of a sash jammer product. Key points include: high quality construction, smooth operation, and screws supplied. The image shows two views of the white lock fitted on a uPVC door, along with a branded packet of screwsExamples of Home Secure sash jammers on doors. Left side shows a set of white uPVC patio doors with sash jammer locations highlighted at the top and bottom, labeled 'Door Fitting'. Right side shows a front door with decorative glass panels, highlighting the letterbox and sash jammer installation area, labeled 'Letterbox Lock'. Yellow circles indicate fitting pointsWindow fitting example for Home Secure sash jammers. Image shows a white uPVC window with the frame seal installed. Two yellow circles highlight the areas where the sash jammer is fitted around the window locking points

Sash Jammers | Home Secure™ Extra Security Locks for uPVC Doors & Windows

Save £1.00
Home SecureSKU: HS4285
Price:
£3.99 £4.99

Description

Enhance your window and door security with the Sash Jammer.

The Home Secure Sash Jammer has been built with quality and durability in mind. Manufactured from a high grade metal and finished with a resilient white coating. We are now offering excellent value discounts on this product, 100% satisfaction guaranteed or your money back!

  • Easy to fit and operate, used on both uPVC windows and doors for extra security
  • 3 different sized button spacers and packers provided to ensure a stylish fit onto different profiles
  • uPVC Screws provided for use with reinforced windows
  • We recommend using Jack Nuts (supplied separately) to gain a secure fit onto un-reinforced window frames
  • You won't know if frame is re-inforced until you drill a pilot hole (2mm drill bit recommended) and feel tension or lack of tension

Fitting Advice

We provide access to online fitting instructions and installation video.

View our guide on the Sash Jammer

How many to use?

1 Sash Jammer - Small Window or Letterbox

2 Sash Jammers - Large Window / Single Door (Top & Bottom Fitting)

4 Sash Jammers - French/ Patio Doors (2 Top, 2 Bottom, on each door)

Key Features

  • Prevents sash/window or door from being forced open by intruders.

  • Designed for uPVC frames, but compatible with timber and composite.

  • Simple to fit — DIY friendly and affordable.

  • Ideal for ground floor or basement access points.

  • Visual deterrent: a visible jammer makes your property less attractive to burglars.

🏠 Ideal For

  • uPVC doors and windows needing extra reinforcement

  • Rental properties, ground-floor flats, or homes with easy-access points

  • Homeowners looking for a reliable, budget-friendly security improvement

  • Adding extra peace of mind to existing locks and handles

⚙️ Technical Details

  • Brand: Home Secure™

  • Type: Sash jammer / extra security lock

  • Finish: White

  • Material: Metal with powder-coated finish

  • Suitable For: uPVC, timber, and composite doors or windows

  • Included: Fixings and installation guide

  • Installation: Surface-mounted with screws (included)

🛒 Shop the Home Secure™ Window & Door Security Range

Upgrade your home’s protection with more practical, easy-fit solutions from Home Secure™.

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Frequently Asked Questions

A sash jammeris a small lever-operated device that clamps the window or door sash against its frame. When engaged, it prevents forced entry even if the main handle or lock is compromised.

Yes — thesesash jammersare designed for uPVC frames but can also be used on composite and timber doors. They’re especially effective for French doors, patio doors, and ground-floor windows.

For single doors or small windows, one at the handle side is usually enough. For larger doors (like double French doors), fit one at the top and one at the bottom for maximum protection.

Yes! They’re designed for simple DIY installation. Just screw into the frame, align the arm with the sash, and tighten — all fixings are included.

Absolutely — they act as a visible deterrent and a physical barrier. Even if a burglar bypasses your main lock, the engaged sash jammer stops the door or window from opening.

About the Brand - Home Secure

HomeSecure is a UK-based home security specialist dedicated to providing high-quality, reliable, and affordable security products designed to protect homes and families. With years of industry experience, HomeSecure focuses on delivering hardware that meets the practical needs of homeowners while maintaining professional-grade performance.

From anti-snap door cylinders and precision-engineered hardware to reinforcement solutions and security accessories, every HomeSecure product is developed with durability, ease of installation, and long-term protection in mind. Our range is carefully tested and selected to meet trusted security standards—offering strong defence against common break-in methods and everyday wear.

At HomeSecure, we put customer safety, product reliability, and excellent value at the core of everything we do. Whether you're upgrading a lock, improving door strength, or enhancing overall home protection, HomeSecure products deliver dependable security you can trust.

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