How To Replace uPVC Window Hinges

Windows are an essential part of our homes, providing natural light, ventilation, and a view of the outdoors. Over time, though, the hinges on your uPVC windows may wear out or become damaged, making it necessary to replace them. In this comprehensive guide, we’ll walk you through the process of replacing uPVC window hinges, from identifying the type of hinge to ensuring proper alignment after installation.

What are uPVC Window Hinges?

uPVC, or unplasticized polyvinyl chloride, is a popular material used in window frames for its durability, low maintenance, and energy efficiency. uPVC window hinges are the hardware that connects the window sash to the frame, allowing it to open and close smoothly.

Types of uPVC Window Hinges

There are several types of uPVC window hinges, such as friction stays, butt hinges, and concealed hinges. Each type serves a specific purpose, so it’s essential to identify the correct hinge for your window before starting the replacement process.

Why Replace uPVC Window Hinges?

Replacing uPVC window hinges may be necessary for various reasons, including wear and tear, corrosion, or damage caused by forceful use. A faulty hinge can cause issues like poor insulation, difficulty opening or closing the window, and even security risks.

Tools and Materials Needed

Before you start the replacement process, gather the necessary tools and materials:

  1. Replacement uPVC window hinges
  2. Screwdriver
  3. Adjustable wrench
  4. Tape measure
  5. Utility knife
  6. Pencil
  7. Safety glasses
  8. Work gloves

Step-by-Step Guide

Follow these steps to replace your uPVC window hinges:

Removing the Old Hinge

  1. Open the window fully to access the hinge screws.
  2. Remove the screws that secure the hinge to the window sash and frame.
  3. Carefully lift the window sash away from the frame and set it aside.

Installing the New Hinge

  1. Align the new hinge with the screw holes on the window sash and frame.
  2. Secure the hinge to the sash and frame with screws.
  3. Reattach the window sash to the frame by aligning the hinge’s pivot points.

Tips for a Successful uPVC Window Hinge Replacement

Safety Tips

Wear safety glasses and gloves when working with uPVC window hinges to protect yourself from sharp edges and debris.

Ensuring Proper Alignment

Proper alignment of the hinge is crucial for smooth window operation. Check the alignment before tightening the screws, and make any necessary adjustments to avoid uneven gaps or binding.

Common Issues and Solutions

  1. Stiff or difficult to operate hinge: Lubricate the hinge with a silicone-based lubricant to improve its smoothness and ease of use.
  2. Misaligned window: Loosen the screws slightly and adjust the window sash position before retightening the screws.
  3. Difficulty in closing the window tightly: Check the hinge type and ensure it’s compatible with your window system. If necessary, replace the hinge with the correct type.

Astraframe manufactures products in our factory in Norwich. Click to view our range of Composite Doors, uPVC windows, and uPVC doors.


Replacing uPVC window hinges is a straightforward task that can greatly improve your window’s performance and security. By following this step-by-step guide, gathering the necessary tools, and paying attention to safety and alignment, you’ll be able to replace your uPVC window hinges with confidence.


  1. How do I know when it’s time to replace my uPVC window hinges? If your window is difficult to open or close, has uneven gaps when closed, or the hinges show signs of corrosion or damage, it may be time to replace them.
  2. Can I replace uPVC window hinges myself, or do I need a professional? With the proper tools and this step-by-step guide, most homeowners can replace uPVC window hinges themselves. However, if you’re unsure or uncomfortable with the process, it’s best to consult a professional.
  3. What is the average cost of replacing uPVC window hinges? The cost of replacement hinges can vary depending on the type and quality, ranging from $10 to $50 per hinge. Labor costs, if you hire a professional, will vary depending on your location and the complexity of the job.
  4. How long does it take to replace uPVC window hinges? With the proper tools and preparation, replacing uPVC window hinges should take about 30 minutes to an hour per window.
  5. How do I maintain my uPVC window hinges to prolong their lifespan? Regularly clean and lubricate the hinges with a silicone-based lubricant, and periodically check for signs of wear or damage. Address any issues promptly to prevent further damage and maintain optimal window performance.


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Astframe is a uPVC Windows & Doors manufactured based in Norwich.

We supply a range of premium quality products including uPVC Windows, Doors, and Conservatories. Aluminium Bi-Folding Doors, Patio Doors.

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