Sustainability : Carbon Neutrality News
“Every part of the build must be lower carbon”: Holcim UK says new towns plan and Future Homes Standard will test industry readiness

“Every part of the build must be lower carbon”: Holcim UK says new towns plan and Future Homes Standard will test industry readiness

The housebuilding sector has been urged to embed lower carbon delivery into every part of the build following the publication of the Future Homes Standard. According to Ian Dean, Managing Director, Concrete Products at Holcim UK, the combination of the new regulatory requirements with government plans for seven new towns

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Green light for Bath Road Energy Centre

Green light for Bath Road Energy Centre

Plans for the Bath Road Energy Centre have been approved, marking a major step in Bristol’s transition to cleaner heat. Buro Happold acted as multidisciplinary engineering consultant, supporting the planning application on behalf of Vattenfall Business Solutions UK in collaboration with Stride Treglown and Savills. Situated on a disused plot

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Bellway announces plans to build 3,000 homes north of Southend

National housebuilder Bellway has revealed ambitious plans for a new community of up to 3,000 homes on land to the north of Southend-on-Sea. The project is designed to act as a catalyst for long-term growth, potentially forming a key part of a wider 10,000-home strategic allocation identified in the Southend

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Archaeological works begin at Smithfield Birmingham

Archaeological works begin at Smithfield Birmingham

Archaeological investigations have started at Smithfield Birmingham, signalling a fresh stage in the £1.9bn regeneration scheme. The work, led by Cotswold Archaeology on behalf of Birmingham City Council and Lendlease, is intended to deepen understanding of the area’s heritage before redevelopment begins early next year. The site under examination lies

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Net Zero gains at risk as retrofit follow-ups fail to deliver

Net Zero gains at risk as retrofit follow-ups fail to deliver

The 2025 Spending Review commits £13.2 billion to increasing energy efficiency in existing homes under the Warm Homes Plan, making retrofit a top priority. However, achieving Net Zero in retrofit projects, and new builds alike, depends on effective occupant education. Otherwise, we risk ambitions stalling at the point of handover.

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EPBD 2024: Deadlines, obligations, opportunities

EPBD 2024: Deadlines, obligations, opportunities

What the new EU Buildings Directive means for planning, construction and building technology Hardly any regulation will change the construction and property industry as fundamentally in the coming years as the new EU Buildings Directive EPBD 2024. Many future topics are now gradually becoming mandatory: CO₂ balances in the energy

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Latest Issue
Issue 339 : Apr 2026

Sustainability : Carbon Neutrality News

“Every part of the build must be lower carbon”: Holcim UK says new towns plan and Future Homes Standard will test industry readiness

“Every part of the build must be lower carbon”: Holcim UK says new towns plan and Future Homes Standard will test industry readiness

The housebuilding sector has been urged to embed lower carbon delivery into every part of the build following the publication of the Future Homes Standard. According to Ian Dean, Managing Director, Concrete Products at Holcim UK, the combination of the new regulatory requirements with government plans for seven new towns across England demands a far more holistic and coordinated approach to sustainable construction. He said the UK is entering one of its most ambitious phases of housebuilding in decades, and that meeting rising expectations will depend on earlier collaboration and stronger attention to embodied carbon. He also stressed the pressures the sector faces as 2028 approaches. “We all want to get spades in the ground tomorrow, but the industry needs time to adapt. Planning cycles are long and 2028 is not far away, which means we must move faster and close regulatory loopholes if the policy is going to deliver what it promises.” Lower carbon materials must be embedded throughout construction Dean emphasised that decarbonising new homes begins long before heat pumps or rooftop solar are installed. “It is a positive step to see heat pumps and rooftop solar mandated, but if the concrete blocks, the foundations, the groundworks and the driveway materials are not low carbon or made with recycled content, you undercut the green credentials of the development from the start. We have to embed lower carbon delivery into every part of the build.” He said attention must now turn to embodied carbon in core materials. “The structure, the subbase and the infrastructure around the home all have a major role to play. If we get that right, the operational improvements delivered through the Future Homes Standard will go even further.” Early involvement is essential to achieving the best outcomes Holcim UK argues that early project involvement is fundamental to delivering the performance expected from new housing developments. According to Dean, early collaboration allows the company to combine traditional and lower carbon solutions in the most effective way. “Collaboration at the design stage allows us to bring forward the right mix of traditional and sustainable products and identify the best solution for each project.” He highlighted Holcim UK’s ability to support the full construction process. “Whether it is aggregates, asphalt, recycled materials, ready mix concrete using lower carbon cement, recycled aggregates or recycled blocks, we support developers at every stage. We invest in innovation because customers need solutions that are high quality, cost efficient and lower carbon.” Performance, he added, remains non-negotiable. “Quality and cost efficiency are always central. The shift toward more sustainable construction only works if it delivers higher quality outcomes at the same time.” New towns require deeper collaboration across the value chain The scale of the new towns programme makes supply chain coordination more important than ever. Dean believes early engagement will be critical to building places that are genuinely fit for the future. “If we get involved early with construction teams and supply chain partners, we can build better towns and better places to live.” Yet he also pointed to the hurdles. “There is still friction in parts of the value chain. We need more holistic partnerships if we are to deliver these new communities at the scale and quality required.” A positive policy direction, but delivery capability must follow Dean welcomed the ambition behind the new towns programme and the Future Homes Standard, while urging continued focus on practical delivery. “This is a step in the right direction, but we must ask whether everything needed to make it happen is fully in place. The hope is that it leads to greener construction and greater quality, but we all have a role to play in making sure it does.” Holcim UK plans to work with its construction sector partners to establish a new benchmark for integrated, low carbon development. Early collaboration, thoughtful material choices and consistent regulation will be essential to creating communities that work well now and, in the years, ahead. Building, Design & Construction Magazine | The Choice of Industry Professionals

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Morgan Sindall breaks ground on £28m Port Talbot decarbonisation hub

Morgan Sindall breaks ground on £28m Port Talbot decarbonisation hub

Morgan Sindall has commenced construction on a £28m research facility in Port Talbot aimed at driving the decarbonisation of the UK’s steel and metals industries. The South Wales Industrial Transition from Carbon Hub, known as SWITCH, is being developed on a brownfield site at Harbourside and is set to play a key role in supporting the transition to low-carbon industrial processes. Originally appointed under a design and build contract in 2023, Morgan Sindall is now progressing the delivery of the purpose-built facility, which will operate as an open-access innovation hub bringing together academia, industry and government. The centre will focus on accelerating decarbonisation across energy-intensive sectors, particularly steel and metals, while also supporting the development of circular economy models and advanced materials aligned with net zero ambitions. Once complete, the facility will feature a range of specialist spaces, including workshop and welding areas, mechanical testing zones and laboratories, alongside modern office accommodation for research teams and project partners. The development forms part of a wider programme of investment in Port Talbot, as efforts continue to reposition the area as a centre for clean industrial growth and innovation. Secretary of State for Wales Jo Stevens said the project is a significant step forward in supporting emerging industries and strengthening the local economy. She highlighted that the UK Government is investing more than £100m in the region to help develop sectors such as clean steel production, offshore wind and research-led innovation. The SWITCH project is expected to contribute to job creation, skills development and long-term economic growth across South Wales, while helping to establish new pathways for decarbonising heavy industry. As construction progresses, the hub is set to become a focal point for collaboration and technological advancement in the drive towards a more sustainable industrial future. Building, Design & Construction Magazine | The Choice of Industry Professionals

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Green light for Bath Road Energy Centre

Green light for Bath Road Energy Centre

Plans for the Bath Road Energy Centre have been approved, marking a major step in Bristol’s transition to cleaner heat. Buro Happold acted as multidisciplinary engineering consultant, supporting the planning application on behalf of Vattenfall Business Solutions UK in collaboration with Stride Treglown and Savills. Situated on a disused plot along Bath Road, the centre will use air source heat pumps and electric boilers to provide up to 13MW of low‑carbon heat to the city’s district energy network. According to the project team, the scheme could reduce local emissions by up to 65% a year — comparable to taking around 3,700 diesel cars off Bristol’s roads annually. The Energy Centre will serve homes, education buildings and workplaces across the Temple Quarter regeneration area. Once operational, it is expected to deliver enough low carbon heat for more than 7,000 homes and support expansion of a city‑scale network projected to heat over half of the people living and working in Bristol by 2050. Designed as modern civic infrastructure, the building references Bristol’s industrial heritage and distinctive Byzantine influences. A facade of ribbed GRC panels with a decorative lattice motif is intended to give the structure a crafted, dynamic presence, particularly when illuminated at night. Alasdair Young, Partner and Global Energy Transition Lead at Buro Happold, said: “We’re proud to have worked with Vattenfall, Stride Treglown, and Savills on this future-forward project. Our multidisciplinary team provided the technical and environmental studies underpinning the planning application, ensuring robust proposals that align with both local and national energy transition priorities. Bath Road Energy Centre represents an exciting next phase of Vattenfall’s Bristol heat network.” Adam Al-Azki, Director at Buro Happold, said: “This planning approval marks a significant milestone for the project and for Bristol’s decarbonisation journey. It reflects the strength of collaboration between our partners in developing an integrated engineering and architectural solution capable of delivering low-carbon, district-scale heating to the city.” Dom Barton, Director of Heat Networks – Bristol, at Vattenfall said: “We’re delighted to have received planning for Bath Road Energy Centre. This infrastructure will unlock a low carbon future for Bristol, providing buildings in the city centre with access to a long-term, future proofed decarbonisation solution, reducing the need to burn fossil fuels to heat homes and buildings in Bristol.” Bringing together innovation, sustainability and community benefit, the project is intended to accelerate the decarbonisation of Bristol’s heat supply while contributing to the wider regeneration of Temple Quarter. Building, Design & Construction Magazine | The Choice of Industry Professionals

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NORR Partners with Qflow to Deliver Workplace Project Targeting Zero Carbon Certification

NORR Partners with Qflow to Deliver Workplace Project Targeting Zero Carbon Certification

Global A&E firm teams with construction data platform to track real-time materials and carbon data for flagship workplace pilot NORR, a global architecture and engineering firm with 750 professionals across 12 market sectors, announces its collaboration with Qflow, a leading construction data capture and analysis tool focused on real-time tracking of materials, waste, and carbon data. The Toronto-based workplace project is pursuing the Living Future Institute’s Zero Carbon Certification, demonstrating NORR’s commitment to data-driven sustainability strategies. The collaboration addresses a critical challenge in sustainable construction: the gap between design-phase carbon assumptions and as-built reality. While traditional lifecycle assessment (LCA) tools provide essential design-phase carbon estimates, Qflow complements these tools by capturing comprehensive, real-time data on materials arriving on site. This approach delivers more detailed information that is easier to collect, providing accurate as-built carbon tracking essential for rigorous certifications. Bridging design intent and construction reality Real-time visibility will enable NORR’s sustainability team to identify supply chain risks, verify Environmental Product Declarations (EPDs), and make informed decisions about material substitutions during construction rather than relying solely on design-phase estimates. Enabling faster, carbon-informed decisions NORR identified three key benefits that Qflow’s platform will deliver for the firm’s sustainability-focused projects: A foundation for future collaboration Beyond the Toronto pilot project, NORR plans to leverage this partnership as a framework for future sustainability-focused projects. As the firm recognises that construction industry standards are evolving toward requiring as-built carbon data rather than design-phase estimates, this partnership places NORR at the forefront of accurate carbon accounting practices. The collaboration also supports NORR’s broader ethos of integrated thinking and inspired design, providing the data infrastructure needed to educate clients on sustainable design value propositions and demonstrate the long-term return on investment of high-performance buildings. Building, Design & Construction Magazine | The Choice of Industry Professionals

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thousands of customers benefit as believe housing hits 4,000th home energy upgrade milestone

thousands of customers benefit as believe housing hits 4,000th home energy upgrade milestone

More than 4,000 believe housing homes have now received energy efficiency improvements, helping customers stay warm while reducing energy use. Each home has received a range of measures to reduce heat loss, lower energy consumption, cut carbon emissions, and help customers manage their heating bills more easily. The not-for-profit housing association’s work is part-funded by the government through successive rounds of the Social Housing Decarbonisation Fund (SHDF) and the Warm Homes: Social Housing Fund. Together, these funds are supporting more than £34.4 million of energy efficiency works, with believe housing securing over £18 million across the rounds to make these improvements possible. The ongoing programme focuses on homes with an EPC rating of D or below. Each property receives a full survey and those requiring work get a tailored package of measures, to reach at least EPC C. Because every home is different, the exact work varies to meet each property’s needs. Upgrades currently being installed include: David Taylor, Assistant Director of Major Works at believe housing, said: “We’re incredibly proud to have reached this milestone. Government funding and strong partnerships have enabled thousands of our customers to benefit from meaningful improvements. “The feedback we get from customers is showing us the lasting impact of the programme. More energy efficient homes feel warmer and more comfortable and help tackle fuel poverty and improve overall health and wellbeing.” The work has been delivered by social housing regeneration specialists RE:GEN Group, who have supported believe housing to deliver upgrades at scale. Jonathan Horner, Director at RE:GEN Group, said: “Reaching this milestone is a real achievement and reflects the scale, care and coordination behind the programme. It shows what can be achieved when partners come together with a common purpose and we’re already looking ahead to supporting the next 4,000 homes.” Retired manufacturing worker Peter Tickle’s bungalow, in Bowburn, County Durham, is one of the most recently upgraded homes. Solar panels, cavity wall insulation and loft insulation were installed, alongside a new roof and brickwork repointing. He said: “I have a smart meter and when the sun is shining you can clearly see the panels working, generating power I don’t have to pay for, which is great. And the improved insulation and roof are obviously going to be a benefit. “I absolutely welcomed the work and am pleased with the results. “It has definitely improved my home, and with the roof and brickwork done throughout the street, it’s made a real difference to how the area looks too.” The programme is ongoing, with thousands more customers set to benefit as believe housing continues working towards ensuring all its homes reach EPC C or above by 2030. Building, Design & Construction Magazine | The Choice of Industry Professionals

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Bellway announces plans to build 3,000 homes north of Southend

National housebuilder Bellway has revealed ambitious plans for a new community of up to 3,000 homes on land to the north of Southend-on-Sea. The project is designed to act as a catalyst for long-term growth, potentially forming a key part of a wider 10,000-home strategic allocation identified in the Southend and Rochford draft Local Plans. The vision centers on two “interconnected villages” that prioritise infrastructure alongside housing. Bellway estimates the development would generate approximately £18.75 million in infrastructure funding and support over 10,000 jobs during and after construction. The proposed development aims to be self-sustaining, with Bellway exploring the delivery of: Bellway Strategic Land has formally submitted a request for an Environmental Impact Assessment (EIA) Scoping Opinion to both Southend-on-Sea City Council and Rochford District Council. This submission marks the first technical step in the planning process, providing a framework for how the environmental effects of the 3,000-home community will be managed. Jamie MacArthur, Regional Planning Director for Bellway, emphasised the urgency of the project: “Southend urgently needs new homes to meet local demand, improve affordability and give people the opportunity to remain in the communities where they grew up. These proposals would deliver a wide range of both affordable and market housing for people at all stages of life.” The announcement comes as Southend faces mounting housing pressures, with over 1,600 households on waiting lists and 400 families currently in temporary accommodation. The new community is expected to be a major contributor toward the city’s target of delivering 24,000 homes by 2040. Building, Design & Construction Magazine | The Choice of Industry Professionals

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Archaeological works begin at Smithfield Birmingham

Archaeological works begin at Smithfield Birmingham

Archaeological investigations have started at Smithfield Birmingham, signalling a fresh stage in the £1.9bn regeneration scheme. The work, led by Cotswold Archaeology on behalf of Birmingham City Council and Lendlease, is intended to deepen understanding of the area’s heritage before redevelopment begins early next year. The site under examination lies just north of the city’s former moated manor, once home to the Lords of Birmingham, and all discoveries will be recorded and preserved in line with national guidance. Cotswold Archaeology will conduct the investigation until mid-December 2025, with activity fully contained within the development footprint. Plans for the 17-hectare revamp were unanimously approved by Birmingham City Council in June last year. Delivered through a joint venture between the council and Lendlease, the scheme includes more than 3,000 new homes, cultural and leisure attractions, modern workspaces, and an extensive network of green infrastructure and public spaces. At its core, the historic Bull Ring Markets will be reimagined within two purpose-designed buildings. Selina Mason, Director of Masterplanning for Birmingham Smithfield, Lendlease, said: “Momentum is really building at Smithfield, and this excavation marks another important step forward. The medieval manor and market is at the heart of Birmingham’s most historic area, it helped shape the city we know today and honouring that heritage is central to Birmingham’s regeneration. “Reaching this stage has taken sustained focus and close collaboration between all our partners, whose continued support and expertise have been vital to making it possible. Our approach at Lendlease is to embed ourselves in the places we work, getting to know them from the inside out, so that every new chapter builds on the character and significance of what came before.” Building, Design & Construction Magazine | The Choice of Industry Professionals

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Net Zero gains at risk as retrofit follow-ups fail to deliver

Net Zero gains at risk as retrofit follow-ups fail to deliver

The 2025 Spending Review commits £13.2 billion to increasing energy efficiency in existing homes under the Warm Homes Plan, making retrofit a top priority. However, achieving Net Zero in retrofit projects, and new builds alike, depends on effective occupant education. Otherwise, we risk ambitions stalling at the point of handover. Recent findings from the leading authority in building services testing, intelligence, and research, BSRIA, reveal that despite nearly all (97%) of construction professionals agreeing that occupant behaviour plays a defining role in whether retrofits deliver operational efficiency, the vast majority are failing to measure or validate outcomes post-handover. The research found that three quarters (76%) of construction professionals admit that they do not prioritise post-occupancy evaluations (POEs), highlighting a significant lack of follow-up assessments to ensure that retrofit measures meet original design intentions. For both retrofit projects and new build developments, POEs are crucial to identify discrepancies between intended outcomes and real-world use. POEs enable adjustments that improve building performance while simultaneously supporting people in running their homes, or other buildings, efficiently to maximise indoor environmental quality and energy savings. Industry data has found that buildings are acutely affected by occupant behaviour, with recent studies indicating a difference between predicted building performance and measured output of as much as 300%[1]. This demonstrates how failing to embed occupant engagement and education into the handover process can leave retrofit work at risk of severe performance shortfalls, which can significantly erode energy efficiency and comfort. Adding to the challenge, BSRIA’s research found that over half (55%) of consumers are unfamiliar with what ‘retrofit’ means and only a third of homeowners (31%) believe that retrofit will reduce energy use. Furthermore, half of people say they are unclear about the impact of retrofit upgrades on carbon targets, underscoring the vital need for occupant education. Tom Garrigan, Executive Director at BSRIA, commented: “For housebuilders and developers, the handover of a retrofitted home can’t be the end of the story: implementing measures alone is not enough. Performance issues emerge when occupants don’t fully understand low-carbon systems and indoor environmental controls, leading to higher running costs and missed targets. “While there has been progress in some areas of the market, it’s critical that the wider industry prioritises occupant education to ensure that homes work for people in practice, not just on paper. “This doesn’t just apply to retrofit projects, either. With the Future Homes Standard approaching, residents in both new builds and refurbished buildings will require greater support to confidently manage longer heating cycles, responsive controls, and new approaches to comfort and efficiency.” With 62% of the industry agreeing that retrofit projects offer greater benefits than new builds, it’s clear that there is appetite within the sector for refurbishing existing housing stock. However, next-generation homes demand next-generation handover practices. By combining evidence-based specification, robust building diagnostics, verified product testing and thorough user guidance, the sector can deliver homes that both perform and satisfy, helping to drive mass-market decarbonisation.  Garrigan adds, “Investing in robust post-retrofit evaluations and support will help to close the gap between design ambition and real-world results. This means that occupant education must be integral to the retrofit journey to ensure that the fabric improvements made will contribute to achieving Net Zero not just at point of installation, but for the long-term.” BSRIA continues to champion this approach through research, training and demonstrator projects that showcase retrofit leadership for the industry. Find out more: https://www.bsria.com/uk/ Building, Design & Construction Magazine | The Choice of Industry Professionals

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Students, hospital patients among those to see modernised spaces thanks to Public Sector Decarbonisation Scheme

Students, hospital patients among those to see modernised spaces thanks to Public Sector Decarbonisation Scheme

Energy efficiency upgrades to create better buildings for local people and help put UK on track for 2050 net zero targets Schools, hospitals, libraries, leisure centres and town halls across England are among the latest public buildings set to benefit from a multi-million-pound investment to reduce energy use, cut carbon emissions and modernise essential community spaces. The £815 million of funding, delivered through Phase 4 of the Public Sector Decarbonisation Scheme, enables public sector organisations to install a range of energy efficiency and low-carbon technologies including heat pumps, solar panels, insulation and low-energy lighting. This includes 244 projects. The scheme is delivered by Salix on behalf of the Department for Energy Security and Net Zero. The Department has published a full list of grant recipients available on www.gov.uk. The building improvements will reduce reliance on fossil fuels, lower energy bills, and contribute to the UK’s ambitious goal of reaching net zero by 2050. The Phase 4 projects are expected to save direct carbon emissions of around 164,000 tonnes per year – the equivalent to taking roughly 330,000 average diesel cars off the road. Phase 4 is delivered by Salix with project work running until 2028 when projects complete. Salix works closely with each public sector organisation to ensure projects are successfully delivered. The team at Salix offer one-to-one support through relationship managers as well as a whole host of tools through our website and regular webinars and workshops. Salix chief executive Kevin Holland said: “From school classrooms to hospital wards and libraries to swimming pools, this funding is making a real difference for our communities. “People who use these buildings – and that’s all of us – can enjoy warmer, more comfortable spaces that are easier and more efficient to heat and to power. These buildings are being future-proofed for generations to come.” Alongside the Department for Energy Security and Net Zero, Salix supports the NHS, schools, council, universities and other organisations to meet net zero ambitions. Since the launch of the Public Sector Decarbonisation Scheme in 2020, nearly 1,500 projects have been funded to decarbonise thousands of buildings. Salix work alongside organisations supporting the installation of solar panel and heat pump projects and other energy efficiency measures. This effort rejuvenates public buildings and raises climate action awareness. New projects receiving funding in Phase 4 include: Northumbria Healthcare NHS Foundation Trust, North EastReceived £5,939,357 to decarbonise Hexham General Hospital. Air and water source heat pumps will replace existing systems, alongside new thermal stores, heat meters, and a cooling system. Shropshire Council, West MidlandsAwarded £2,454,400 to decarbonise SpArC Leisure Centre in Bishop’s Castle. Measures include an air source heat pump, pipework upgrades, and a new building energy management system. Merseyside Police, North WestGranted £758,000 to decarbonise Lea Green Training Centre in St Helens. Upgrades include air source heat pumps, solar panels, LED lighting, roof insulation, and a new energy management system. Diverse Academies Trust, East MidlandsAwarded £2,025,465 for Tuxford Academy in Nottinghamshire. An old boiler will be replaced with an air source heat pump. Additional improvements include LED lighting, ventilation, and a cooling system. Breckenbrough School Limited, Yorkshire and the HumberReceived £688,500 to decarbonise Breckenbrough School in North Yorkshire. The project includes an air source heat pump, pipework improvements, roof insulation, and an energy management system. London Borough of Hackney, Greater LondonGranted £6,594,250 to decarbonise nine schools. All will receive air source heat pumps, thermal stores, and building energy management systems to boost efficiency. Chesterfield Borough Council, East MidlandsAwarded £2,394,413 to decarbonise Staveley Healthy Living Centre. Improvements include air source heat pumps, ventilation systems, and a new energy management system. Liverpool Hope University, North WestReceived £310,000 to decarbonise multiple campus buildings. Upgrades include air source heat pumps, electric heaters, loft insulation, and improved glazing. Alsager Town Council, North WestGranted £141,500 to decarbonise Alsager Civic Hall in Cheshire. The project includes an air source heat pump, solar panels, roof insulation, LED lighting, and a building energy management system. Wiltshire Council, South WestAwarded £939,594 to decarbonise Bourne Hill council offices in Salisbury and Devizes Leisure Centre. Both sites will receive air and water source heat pumps. For a full list of grant recipients, visit www.gov.uk Kevin added: “Climate change is on our doorstep, and we have no time to stand still. “Together we can achieve positive results on climate. Addressing the energy efficiency of our public buildings moves us in the right direction. “The Public Sector Decarbonisation Scheme breathes new life into these buildings, that might otherwise have been left to deteriorate. Today’s funding creates better facilities for communities and a healthier future for us all.” Building, Design & Construction Magazine | The Choice of Industry Professionals

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EPBD 2024: Deadlines, obligations, opportunities

EPBD 2024: Deadlines, obligations, opportunities

What the new EU Buildings Directive means for planning, construction and building technology Hardly any regulation will change the construction and property industry as fundamentally in the coming years as the new EU Buildings Directive EPBD 2024. Many future topics are now gradually becoming mandatory: CO₂ balances in the energy performance certificate, the phase-out of fossil heating systems, zero-emission standards for new buildings and digital building models for every project. Many people are now asking themselves: Are our existing processes and products still sufficient? What specific requirements will we face? And when? If you wait too long, you run the risk of being left out of tenders, authorisations or financing. The good news is that those who deal with the new requirements in good time can not only avoid risks, but also gain competitive advantages. The revised EU Energy Performance of Buildings Directive (EPBD 2024) came into force on 28 May 2024. It forms the regulatory framework for the decarbonisation of the European building sector. The EPBD 2024 sets binding targets, minimum standards and verification obligations. All member states must transpose the requirements into national law within 24 months. The aim of the directive is to make the EU’s building stock climate-neutral by 2050 at the latest. The pressure to act is high: buildings currently account for around 40 per cent of energy consumption and 35 per cent of CO₂ emissions. Three quarters of existing buildings are considered energy inefficient and the annual refurbishment rate is just one per cent. The EPBD 2024 aims to significantly improve these values. The directive requires specific measures to be taken over the entire life cycle of a building: from planning, construction and operation through to dismantling and disposal. The decisive factor here is not just the energy requirement during operation, but the overall balance of all emissions. Overview of the five core areas of the EPBD Directive 2024 The EPBD 2024 not only places new requirements on buildings, but also restructures the rules for planning, construction and operation. The focus is on five central requirements: From 2030, new buildings must no longer have any CO₂ emissions caused on site. This will already apply to new public buildings from 2028. Energy requirements must be low and covered by renewable sources. At least 16 per cent of non-residential buildings with the worst efficiency class must be renovated by 2030, and as many as 26 per cent by 2033. National reduction targets for primary energy consumption apply to residential buildings. From 2025, subsidies for new fossil fuel boilers will be cancelled. The complete phase-out is to take place by 2040 at the latest. Member states can issue national installation bans. From 2028, the global warming potential of new buildings with more than 1,000 m² must be shown in the energy performance certificate, and from 2030 for all new buildings. The entire life cycle is assessed. BIM models, digital verification systems and automated monitoring solutions are becoming mandatory. They serve as the basis for planning, operation, verification and funding. Why the EPBD Directive 2024 is also changing building technology With the EPBD 2024, technical building equipment is also moving to the centre of the CO₂ assessment for the first time. In future, pipework systems, insulation materials and distribution systems will have to demonstrate their environmental impact over their entire life cycle: from production to dismantling. Grey energy is particularly relevant here – i.e. the emissions generated during the manufacture, transport, installation, maintenance and disposal of a building product. In energy-efficient new buildings, it often accounts for more than 50 per cent of total emissions. From 2028, the corresponding data must be included in the energy performance certificate, and from 2030 for all new buildings. This also changes the role of products. Systems with verified environmental product declarations (EPD) and digital interfaces for BIM models and carbon footprints are required. How aquatherm contributes to the achievement of objectives with documented pipe systems aquatherm piping systems are documented in accordance with the future requirements of the EPBD. All relevant environmental data is available in the form of verified environmental product declarations (EPDs). The aquatherm EPDs are based on a cradle-to-gate approach and cover the life cycle from raw material extraction to the factory gate. In addition, the aquatherm environmental product declarations also include modules C (disposal phase) and D (next product system) in accordance with the requirements of EN 15804+A2. The environmental product declarations are not only the basis for CO₂ balances in the energy performance certificate, but also for sustainability certificates such as LEED, BREEAM and DGNB. Roadmap in several phases The EPBD 2024 is more than just a technical specification. It is a roadmap with clear deadlines, binding targets and specific requirements. It will be implemented in several phases. The new aquatherm white paper, which can be downloaded at https://info.aquatherm.de/en/whitepaper-epbd-directive, also provides all the important details on the EPBD 2024. Building, Design & Construction Magazine | The Choice of Industry Professionals

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