
The Key Signs You Need Sash Window Draught Proofing Services
Mar 25
4 min read
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Sash windows are often a cherished feature of period homes that provide timeless character. However, without proper maintenance, they can become a large source of energy loss and discomfort. Fortunately, at Sash Window Preservation, we specialise in restoring and draught-proofing sash windows throughout Greater London, helping homeowners maintain the charm of their properties while improving energy efficiency and comfort.
Draught-proofing your sash windows is a simple yet highly effective way to improve the warmth, quiet and comfort of your home. If you’ve noticed any of the following issues, it may be time to invest in professional sash window draught-proofing services.
Noticeable Draughts and Cold Spots
Do you feel a cold breeze near your windows even when they are closed? Gaps around sash windows allow cold air to seep in, making your home feel chilly and uncomfortable.
Draught-proofing seals these gaps without compromising the window’s traditional design, preventing cold air infiltration and keeping your rooms warmer. Our expert services will leave you with a discreet, effective seal, improving insulation while maintaining your home's original look.
Plus, draught-proofing works both ways - it also helps keep hot air out during summer, allowing for a more consistent indoor climate all year round.
Increased Energy Bills
If your heating bills have been steadily rising, your sash windows could be to blame. Poorly sealed windows let warm air escape, forcing your heating system to work harder to maintain a comfortable temperature.
Professional draught-proofing significantly reduces the chances of heat loss, helping to lower your energy consumption. Many of our clients in Greater London have seen a noticeable reduction in their heating bills after investing in our services.
Rattling Windows in Windy Conditions
Older sash windows often become loose over time, which can create an annoying rattling noise when it's windy. This happens when the sashes no longer fit snugly in their frames due to wear and tear.
Our draught-proofing solutions include the installation of discreet brush seals, which stabilise the windows and eliminate any rattling, whilst still allowing them to operate smoothly. Not only does this improve comfort, but it also prevents further deterioration of your windows so they last for decades.
Difficulty Opening and Closing Windows
Struggling to open or close your sash windows? Years of use can lead to misalignment and friction, making the windows difficult to operate. Draught-proofing not only improves insulation but also the functioning of your windows. At Sash Window Preservation, we carefully adjust and restore your windows, meaning that they slide effortlessly while keeping out unwanted draughts.
Condensation and Mould Growth
Excessive condensation on your sash windows can lead to mould growth, peeling paint and timber decay. This occurs when poor insulation causes warm indoor air to meet the cold surface of the window.
Draught-proofing improves temperature control, reducing the likelihood of condensation build-up. This protects your windows from moisture-related damage while improving the indoor air quality.
If left unchecked, prolonged exposure to condensation can result in structural damage to window frames and surrounding areas. By addressing this issue early, you can extend the lifespan of your sash windows and avoid expensive repairs down the line.
Noise Pollution from Outside
Live on a busy street or near a main road? Gaps in sash windows allow outside noise to enter more easily, making it difficult to enjoy peace and quiet inside your home.
By sealing these gaps, draught-proofing acts as a sound barrier, reducing noise infiltration and creating a more comfortable environment. This means that if you work from home or simply value a quieter living space, soundproofing your sash windows through draught-proofing is an affordable alternative to full double-glazing.
Dust and Pollution Entering Your Home
Do you find excessive dust settling near your windows? Poorly sealed sash windows can let in dirt, dust and even pollutants from the outdoors.
Draught-proofing helps reduce the ingress of airborne particles, keeping your home cleaner and healthier. This is especially beneficial for those who suffer from allergies or respiratory conditions. By creating a tight seal, draught-proofing helps maintain indoor air quality, reducing the amount of street-level pollutants entering your home.

Why Choose Sash Window Preservation for Draught Proofing?
At Sash Window Preservation, we are passionate about restoring and preserving the beauty of traditional sash windows. Our draught-proofing services offer a range of benefits:
● Expert craftsmanship: Our specialists have years of experience working with period windows.
● Bespoke solutions: We tailor our services to your window’s specific needs.
● Energy efficiency improvements: Reduce heat loss and lower your energy bills.
● Minimal disruption: Our process is efficient and non-intrusive.
● Long-lasting results: Our high-quality materials create durability.
● Sustainable approach: We focus on restoration rather than replacement, helping to retain your home’s historic charm.
Unlike DIY draught-proofing solutions that may deteriorate over time, our professional-grade materials offer long-term performance, meaning that your sash windows remain in top condition for years to come.
Sash Window Draught Proofing You Can Count On
If your home is suffering from any of the above issues, it’s time to consider professional sash window draught-proofing. At Sash Window Preservation, we specialise in improving the performance of period windows while maintaining their traditional charm.
Investing in sash window draught-proofing is a cost-effective solution that provides year-round comfort, lower energy bills and improved home value. Don’t wait until minor draughts turn into major problems; take action today to protect your beautiful sash windows by getting in touch today to schedule a free consultation.