Period Sash Windows: Solving Common Problems
Period sash windows are essential to your property’s character, but ageing frames can lead to significant heat loss, noise issues, and increased energy costs.
Our expert craftsmen specialise in sympathetic restoration, combining traditional techniques with modern solutions to preserve your home’s heritage whilst improving comfort and efficiency.
Our master craftsmen bring over 25 years of specialist experience in traditional window restoration. We combine authentic techniques with discrete modern improvements to enhance performance while preserving your property’s historic integrity. Whether you’re dealing with draughts, decay, or energy efficiency concerns, our solutions respect the past while meeting today’s standards.
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Decayed wooden frames
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Heat loss due to single glazing
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Persistent draughts and rattling
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Intrusive external noise
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Condensation buildup
Restoring wooden windows in Watford
If your wooden windows are suffering from peeling paint, rot, or cold drafts, restoring them can rejuvenate their charm and improve thermal efficiency. Our professional restoration services ensure your period windows retain their heritage appeal while enhancing comfort.
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Draught-proofing for wooden windows
Sealing gaps and enhancing insulation to prevent cold air infiltration and boost energy efficiency.
Repairing rotten window frames
We tackle common concerns such as timber decay, moisture penetration, and structural weakness.
Our process includes removing affected areas, treating the remaining timber to prevent further damage, and applying durable, weather-resistant finishes for longevity.
Comprehensive repair for sash, casement, and bay windows
We specialise in restoring various window types, including sash, casement, and bay windows, ensuring optimal performance and smooth operation.
Gallery of restored and reglazed wooden windows
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
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Double glazing for sash windows in Watford
Are you struggling with draughty, single-glazed sash windows that increase your heating bills?
Many period properties in Watford face similar issues due to outdated glazing.
Our double glazing service improves insulation, reduces noise pollution, and eliminates draughts – all while maintaining your home’s original character.
Achieve a snugger, more inviting living space with our customised window solutions.
Understanding the differences between retrofitting and secondary glazing
Choosing between retrofitting double glazing and secondary glazing depends on your specific needs and preferences.
- Double glazing retrofitting involves upgrading your existing sashes with energy-efficient glass, significantly enhancing insulation while preserving the traditional appearance.
- Secondary glazing; adds an extra glass layer internally, offering a cost-effective alternative, though it may be less effective at reducing draughts and noise.
We’ll help you discover the perfect option that suits your home’s requirements while adhering to conservation guidelines.
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Our projects All cases
Frequently Asked Questions
Can existing sash windows be upgraded with double glazing?
Yes, we can install double glazing within your existing sash frames, improving insulation and soundproofing while retaining their original charm.
What are the signs that indicate my sash windows need restoration or a full replacement?
If your sash windows stick, feel draughty, or show signs of minor decay, restoration is often the best approach. However, severe structural damage might necessitate replacement.
Can I choose different types of glass during the restoration process?
Absolutely! We offer a selection of glass types, including standard single glazing, advanced double glazing, vacuum glazing, and specialist options such as acoustic or thermal glass. Our experts will help you pick the perfect solution for your property.