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36 Years
experience
Expert Secondary Glazing Solutions in London
Established over 30 years ago, Wanstead Windows has built a reputation as a trusted provider of secondary glazing solutions. Our expertise lies in manufacturing high-quality windows designed to enhance thermal efficiency, reduce noise pollution, and improve security while maintaining aesthetic appeal. We prioritise customer satisfaction through competitive pricing, swift delivery within two weeks of order placement, and tailored solutions for period properties where traditional window replacement is not feasible. Our commitment to quality ensures compliance with evolving building regulations, including Part L Energy Performance Standards.

By utilising advanced materials like Pilkington K Low-e glass, we help clients reduce energy consumption and associated costs. Our discreet secondary glazing systems offer practical benefits such as reduced condensation, draught elimination, and improved acoustic insulation, achieving up to 80% noise reduction from road traffic. We serve both residential and commercial clients across London, combining technical expertise with a customer-centric approach to deliver durable, cost-effective solutions.
Services
Secondary Glazing Noise Insulation Thermal Efficiency Acoustic Glass Period Property Solutions
Details
  • Year established: 1990
Highlights and features
  • We have over 30 years of experience in secondary glazing solutions.
  • Our products are delivered within approximately 2 weeks of order placement.
  • We manufacture windows to high-quality standards with competitive pricing.
  • Our systems reduce road traffic noise by 70-80% through acoustic insulation.
  • We help properties meet Part L Building Regulations for energy efficiency.
Services
Secondary Glazing
Our secondary glazing systems provide an unobtrusive solution for improving window performance. By installing an additional internal window pane, we enhance thermal insulation, reduce energy costs, and minimise noise intrusion. This method preserves original windows while meeting modern efficiency standards, making it ideal for period properties and listed buildings.
Noise Insulation
We specialise in acoustic insulation solutions that reduce external noise by up to 80%. By creating a 100mm cavity between panes and using varied glass thicknesses, our systems effectively dampen road traffic and environmental sounds. Acoustic laminated glass further improves performance for high-frequency noise sources like aircraft.
Thermal Efficiency
Our glazing solutions significantly reduce heat loss through windows. Using Pilkington K Low-e glass, we reflect internal heat back into buildings while allowing solar warmth to pass through. This dual action lowers heating bills, reduces condensation, and helps properties achieve Energy Performance Certificate compliance.
Acoustic Glass
We offer specialist acoustic laminated glass with interlayers that absorb sound vibrations. This solution targets high-frequency noise pollution from urban environments. The glass combines safety features with superior sound insulation, making it suitable for properties near busy roads or commercial areas.
Period Property Solutions
Our discreet secondary glazing preserves historical window designs while improving performance. The systems are invisible from the exterior and maintain original architectural details. This approach allows property owners to enhance comfort and efficiency without compromising conservation area requirements or listed building status.
Questions
What is secondary glazing?
Secondary glazing involves installing an additional internal window pane to improve thermal efficiency, reduce noise, and enhance security without replacing existing windows.
How does secondary glazing reduce noise?
By creating a 100mm cavity between panes and using varied glass thicknesses, our systems disrupt sound wave transmission, reducing road noise by 70-80%.
Can secondary glazing improve energy efficiency?
Yes, our glazing solutions reduce heat loss by up to 50%, lower condensation, and help properties meet Part L Building Regulations for energy performance.
Is secondary glazing suitable for listed buildings?
Yes, our discreet systems preserve original windows and architectural details, making them ideal for period properties and conservation areas.
How long does delivery take?
We aim to deliver products within approximately 2 weeks of order confirmation, ensuring minimal disruption to clients.
What glass options are available?
We offer standard clear glass, Pilkington K Low-e glass for thermal efficiency, and acoustic laminated glass for enhanced noise reduction.