FAQS

At Sash Windows Trade, all of our sash windows are manufactured from premium Accoya® timber. Accoya is a high-performance modified wood renowned for its exceptional durability, stability and resistance to rot. It offers the traditional appearance of timber with significantly reduced maintenance requirements and outstanding longevity.

Yes. Our sash windows are fitted with high-performance double glazing and draught seals to help minimise heat loss and improve thermal efficiency. Modern Accoya timber frames combined with energy-efficient glazing can help create a warmer, more comfortable home while reducing energy costs.

Yes, in many cases they can. We regularly manufacture sash windows for listed buildings and properties located within conservation areas. Subject to the relevant planning or listed building consent being granted, we can provide traditionally styled timber sash windows that preserve the character of your property while improving performance.

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Our sash windows are supplied with high-performance double glazing. This provides an excellent balance of thermal efficiency, noise reduction and heritage suitability, making it the preferred choice for both period and modern properties.

Accoya timber is one of the most durable window materials available. Accoya carries a manufacturer warranty of up to 50 years for above-ground applications and is specifically designed to resist rot, swelling and distortion. With professional installation and routine maintenance, your sash windows can provide decades of reliable performance. (Accoya Wood)

Absolutely. Our modern timber sash windows can be fitted with high-quality locks, sash restrictors and other advanced security features. This ensures excellent protection while maintaining the traditional appearance of the window. We also use toughened double glazing as standard. Toughened glass is significantly stronger than standard glass and is more resistant to impact, helping to enhance the overall security of your home

The cost of replacement sash windows varies depending on many factors such as window size, glazing specification, design details and installation requirements. We provide bespoke quotations based on your property’s requirements, ensuring you receive a solution tailored to your needs and budget.

Installation time depends on how many windows are being replaced and the overall complexity of the project. For a more accurate estimate, it’s best to discuss the details directly with your chosen installer.

Our windows being, made from Accoya timber and finished in an acrylic paint system, requires significantly less maintenance than traditional hardwoods and softwoods. We recommend regular cleaning of the frames and glass, occasional inspection of seals and ironmongery, to keep your windows looking their best for years to come.

Yes. Every sash window we manufacture at Sash Windows Trade is made to measure, ensuring a precise fit and a finish that complements the style and character of your property.

Yes. We specialise in manufacturing bespoke timber sash windows that faithfully replicate existing period features, including glazing bars, sash horns, mouldings and traditional detailing. This is particularly important for heritage properties, listed buildings and conservation areas.

We provide a 10-year workmanship warranty on our joinery, together with a 10-year manufacturer warranty on our double-glazed units. Accoya timber also benefits from an industry-leading manufacturer warranty of up to 50 years for above-ground use. (Accoya Wood)

In some situations, it may be possible to replace only the sashes while retaining the existing frames, provided they remain structurally sound. Your chosen installer can assess your existing windows and advise on the most appropriate and cost-effective solution

Yes. Our high-performance double-glazed sash windows can significantly reduce external noise compared to older single-glazed windows. This makes them an excellent choice for homes located near busy roads, town centres or other noisy environments. For even greater noise reduction, we also offer acoustic laminate double-glazed units.