Sash window secondary glazing is the ideal solution for period homes, conservation areas and listed buildings where it is important to preserve the original appearance and functionality of traditional sash windows.
Our slimline secondary glazing units are fitted discreetly to the inside of your existing windows, providing outstanding thermal insulation, improved acoustic performance and reduced condensation without changing the character of your property.
Every system is manufactured to measure using premium slimline aluminium frames and high performance glazing. The result is a discreet, elegant solution that significantly improves comfort while allowing your original sash windows to open and close exactly as intended.
Whether your property is a Georgian townhouse, Victorian terrace, Edwardian home or listed building, our bespoke sash window secondary glazing provides exceptional performance while preserving the architectural features that make your property unique.