
You will need the following items:
- Soft or microfibre cloth
- Squeege/dry cloth – to wipe clean
- Glass cleaning spray (for interior glass)
- Dishwashing liquid and water mix (for exterior glass)
Instead, opt for a natural cleaning spray made from diluted vinegar and lemon juice, which is eco-friendly and environmentally safe.
Contents
Timing Your Sash Window Cleaning
Timing is crucial when it comes to cleaning your sash windows. Choose a day when the weather is mild and dry, ensuring that your cleaning efforts won’t be in vain due to rain or excessive humidity. Cleaning your windows on a sunny day also allows the cleaning solutions to dry effectively, leaving your sash windows gleaming.
Ensuring Safety While Cleaning Windows
Before you start cleaning, prioritize your safety. Use a sturdy ladder and make sure it’s placed on a stable surface. If your windows are on higher floors, consider using an extension pole with a secure window cleaning attachment. Always wear appropriate safety gear, including gloves and safety glasses, to protect yourself from cleaning solution splashes and debris.
Effortless Cleaning of Classic Sliding Sash Windows

Cleaning classic sliding sash windows can be effortless if you follow a systematic approach. Start by removing dirt and debris from the window tracks using a soft brush or vacuum cleaner attachment. Next, prepare a mild solution of water and a few drops of dish soap. Use a soft sponge or microfiber cloth to gently scrub the window frames and glass. Avoid using abrasive materials that could scratch the glass or damage the paint.
Ideal Cleaning Products for Sash Windows
Choosing the right cleaning products is essential for sash window maintenance. Opt for mild, non-abrasive cleaners that won’t harm the wood or uPVC material. Vinegar-based solutions are excellent for cutting through grime and leaving your windows streak-free. Alternatively, you can purchase specialized window cleaning solutions designed for sash windows. Always read the labels and choose products that are safe for your window material.
Cleaning Various Styles of Sash Windows
Different styles of sash windows require specific cleaning techniques to ensure their longevity and aesthetic appeal.
Wooden Sash Windows

Wooden sash windows exude a timeless charm but require regular maintenance to prevent rot and decay. Clean wooden frames with a mild detergent solution and a soft brush. Seal any gaps or cracks with appropriate wood filler and repaint the frames to protect them from the elements.
uPVC Sash Windows

uPVC sash windows are low-maintenance but still need occasional cleaning to stay pristine. Use a mild soap solution and a soft cloth to wipe down the frames and glass. Avoid abrasive cleaners that could scratch the uPVC surface. Regular cleaning will keep your uPVC sash windows looking new for years.
Single-hung and Double-hung Sash Windows

Single-hung and double-hung sash windows have moving parts that require special attention. Lubricate the pulleys and tracks with silicone-based lubricant to ensure smooth operation. Clean the channels with a soft brush to remove debris that might hinder the movement of the windows. Regular maintenance will keep these windows functioning correctly and enhance their longevity.

FAQs
How do you clean secondary glazing on sash windows?
Cleaning secondary glazing on sash windows involves a few simple steps. First, gather mild soapy water and a soft cloth or sponge. Gently wipe down the secondary glazing, avoiding abrasive cleaners that could damage the surface. For stubborn stains, a mixture of vinegar and water can be effective. Finish by drying the glazing with a clean, lint-free cloth to prevent streaks and maintain clarity. Regular cleaning ensures the secondary glazing remains transparent and functional, enhancing the overall appearance of your sash windows.