With modern homes being built and upgraded to be highly energy-efficient and airtight, maintaining good indoor air quality has never been more important. That’s where trickle vents  come into play — and why they now form part of UK building regulations for windows and doors. What Are Trickle Vents? Trickle vents  are small, adjustable openings fitted into the top of window or door frames. They allow a continuous, controlled flow of fresh air  into a room, even when the window

In recent years, the UK’s building regulations have seen a series of important updates — particularly around energy performance, ventilation, overheating, security and compliance standards for windows and doors . These changes are designed to improve energy efficiency and comfort, reduce carbon emissions, support healthier indoor environments, and raise product quality and safety across the built environment. Whether you’re a homeowner planning an upgrade or a professional in