By Jon Vanstone, chair of Certass.

As we step into 2025, the UK glazing industry finds itself at the heart of evolving standards and ambitious targets. Building Regulations, often seen as a compliance necessity, are much more than a set of rules.

They form the foundation of quality and trust in construction and home improvement, shaping how we create safer, more energy-efficient, and sustainable homes.

For glazing installers, keeping up with these changes is not simply about meeting legal requirements – it’s about staying competitive and delivering the standards that today’s homeowners expect. Having worked closely with the glazing and wider home improvement sectors through Certass and the National Home Improvement Council (NHIC), I see the challenges and opportunities these regulations present throughout the UK.

Recent updates to the Building Regulations have placed glazing installers at the centre of critical conversations around energy efficiency, ventilation, and overheating. Part L, for example, demands higher thermal performance from windows and doors, reflecting the UK’s commitment to reducing energy consumption.

This has raised the bar for product standards and installation practices, with glazing now playing a more essential role in the energy efficiency of homes.

Similarly, Part F’s focus on ventilation has grown in importance as homes become more airtight to meet energy efficiency goals. The balance between thermal performance and proper ventilation is a delicate one, and installers must understand how their work interacts with a home’s mechanical or natural ventilation systems.

Meanwhile, Part O addresses overheating risks in new builds, particularly in urban areas, presenting new considerations for glazing design and placement.

These updates are not merely technical hurdles – they are opportunities for installers to set themselves apart. Homeowners are increasingly aware of the importance of regulations and the value of working with professionals who stay ahead of the curve. Certification through competent person schemes such as Certass provides a mark of credibility, showing customers that their installer is skilled, knowledgeable, and aligned to the required standards.

This credibility is essential as homeowners look for tradespeople they can trust. Certification doesn’t just signify compliance – it builds confidence. For homeowners, it provides reassurance that their investment is protected and that their home improvement project will meet the necessary standards.

For installers, it’s a way to stand out in a competitive market, winning work by offering more than just the promise of a job well done.

However, staying compliant can feel overwhelming, particularly for small and local businesses that may not have the resources of larger organisations. This is where support from Certass and the NHIC becomes invaluable.

Certass equips installers with tools, training, and technical updates to simplify compliance and keep them informed about changes. Initiatives such as Government’s Mandatory Technical Competence (MTC) programme ensure that professional development is accessible and aligned with the realities of the industry.

At the same time, the NHIC advocates for clarity and consistency in regulation, ensuring that the voices of installers are heard in policy discussions. Together, these organisations bridge the gap between the ambition of policymakers and the practicalities of day-to-day work in the glazing sector.

The homeowner has become more digitally-savvy and so assurance platforms such as Certified Competent, free to all Certass members, not only support compliance but actively promote local businesses.

By providing a space where homeowners can find trusted tradespeople and contact them directly, Certified Competent helps installers turn their expertise into tangible leads.

Certass and partner organisations are ensuring that digital platforms are used to simplify processes and interactions for members, as opposed to creating large technical innovations that practically serve to reinforce the amount spent on building it.

The glazing industry is a key player in the UK’s future journey towards a greener, safer future. By embracing Building Regulations as opportunities to differentiate rather than obstacles, installers can strengthen their reputations, grow their businesses, and contribute to the transformation of the nation’s housing stock.

This year will bring challenges, but it also offers the chance to lead by example, demonstrating that quality, compliance, and innovation go hand in hand.

As we move forward, it is important to ensure that the glazing industry is seen to deliver standards of excellence in home improvement. By staying informed, investing in professional development, and leveraging the support available through organisations such as Certass and the NHIC, glazing businesses can go about navigating these changes confidently and build a brighter future for UK homes.