INSULATION FUTURE HOMES STANDARD:
MERCHANTS’ NEED TO KNOW BMJ finds out more about the key upcoming regulatory changes for the merchant sector.
T
he construction industry is entering a significant period of regulatory change. Under the proposed Future Homes Standard 2025 update, new requirements are influencing how homes are designed, specified, and constructed. The Future Homes Standard mandates that new homes produce 75–80% less carbon emissions than those built under previous Building Regulations. This represents a fundamental shift in how the industry approaches energy efficiency and thermal performance.
Daniel McKane, sales director retail, merchants and buying groups at YBS Insulation explains: “The economic case is compelling: government estimates indicate that retrofitting a home built to 2013 standards to achieve net zero could cost approximately £12,650, compared to just £9,800 for a house built to current standards. A home built to the Future Homes Standard requires no further work to achieve net zero, making early compliance both environmentally and economically advantageous.
The regulatory landscape “The sustainability rationale behind these changes is clear.” McKane continues. “The UK’s built environment accounts for around 30% of the country’s greenhouse gas emissions, with heating alone responsible for 23% of total emissions. These figures underscore why tighter building standards have become a policy priority” The Standard introduces new U-value requirements that represent a “marked improvement” from previous Building Regulations. Roof U-values must now achieve 0.11 W/m²K (a 45% improvement from 2013), external walls 0.18 W/m²K (40% improvement), and floors 0.13 W/m²K (48% improvement).
while suppliers need comprehensive product knowledge to support compliant specifications. This, McKane says, fundamentally changes the merchant’s role from product supplier to technical advisor - a shift that may require investment in staff training and stronger partnerships with manufacturer.
Engineered insulation solutions “Modern multifoil insulation systems can help address the performance and spatial challenges created by these new standards. These products work through a different mechanism than conventional materials. Their multilayer construction combines reflective foil layers with thermally efficient wadding to manage all three heat transfer mechanisms - conduction, convection, and radiation. This design is intended to deliver effective thermal performance in less space, making it suitable for projects where space efficiency is important.”
“Meeting these targets requires a fabric-first approach that prioritizes the building envelope’s thermal performance before considering technological solutions,” McKane says. “For merchants, the immediate practical challenge is that these requirements demand materials capable of meeting stringent thermal targets within constrained spaces. Traditional insulation materials often require substantial thickness to meet new U-value targets, potentially reducing usable floor space and requiring wider wall cavities - a constraint that not all projects can accommodate.”
The merchant opportunity McKane says that this regulatory shift creates both challenges and opportunities, and that customers are no longer purchasing products based on basic performance criteria. Solutions, therefore, need to achieve verified levels of thermal performance while working within practical spatial constraints, something that presents a clear opportunity for merchants who can provide informed guidance and technically advanced product options. He explains: “The transition period following implementation deserves particular attention. Contractors working on projects that commenced before the regulations took effect can continue under previous standards, while all new projects must comply immediately. This creates a period of complexity where merchants must understand which standards apply to specific projects and ensure they stock appropriate materials for both scenarios. The ability to navigate this effectively will help merchants differentiate themselves within the market.”
Alongside the Future Homes Standard are competency requirements which have extended supply chain responsibilities. Contractors must demonstrate appropriate training and expertise,
November 2025
www.buildersmerchantsjournal.net
He adds that some multifoil systems also integrate additional functions verified through testing, with certain products incorporating vapour control properties, others combining breather membrane functionality with thermal insulation.
Environmental transparency “As customers become increasingly sustainability- conscious, environmental information is now as important as thermal performance in purchasing decisions,” McKane explains, adding that merchants should expect growing requests for Environmental Product Declarations (EPDs) and whole-life carbon assessment data. “Stocking products from manufacturers who provide detailed sustainability documentation alongside verified performance data will help merchants meet evolving customer expectations and procurement requirements, as environmental impact becomes an increasingly significant factor when choosing between technically compliant options,” he says.
Future opportunities The Future Homes Standard represents a significant point for the construction industry. For merchants, McKane believes success requires investing time in understanding these regulatory changes, developing strong relationships with manufacturers who prioritise comprehensive testing and documentation, and building expertise to guide customers through the certification landscape.
“Those who can position themselves as knowledgeable advisors - offering both products with verified performance data and the technical guidance to specify them correctly - will be better equipped to operate successfully in this new regulatory environment.” BMJ
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