BREEAM certification: knowing and understanding it

BREEAM certification is an international standard for assessing the environmental performance of buildings. This certification aims to improve the energy efficiency and reduce the ecological impact of structures, while ensuring the comfort of occupants. It is widely recognized for its rigor and high standards, making it a major asset for architects and property developers.

To achieve BREEAM certification, a number of strict criteria must be met, covering aspects such as water management, energy, innovation and ecological impact. Buildings are graded according to different levels, from Pass to Outstanding, reflecting their compliance with environmental standards.

The growing demand for sustainable, environmentally-friendly buildings has made BREEAM certification particularly attractive. It offers multiple benefits to owners and occupants, including reduced operating costs and increased property value.

What is BREEAM certification?

BREEAM certification is a method of assessing the sustainability of buildings. Created in the UK, it sets standards for improving the environmental impact of construction. It is often compared with other certifications such as LEED and HQE.

Origins and development of BREEAM

BREEAM (Building Research Establishment Environmental Assessment Method) was developed in the UK in 1990 by the Building Research Establishment (BRE). It was the first environmental performance assessment method for buildings. It was designed to guide building practices towards more sustainable solutions.

The development of BREEAM has influenced other international labels, making the certification relevant and adaptable to a variety of project types. It applies to several building categories, including office buildings, housing and educational establishments. Its continued expansion emphasizes the growing importance of sustainability in the construction industry.

💡 All our tips for reducing your consumption and emissions

The BREEAM rating system

The BREEAM rating system uses a series of criteria to assess the environmental impact of buildings. These criteria include energy, health, wellbeing, innovation, water use and materials. Each project receives points in these categories.

Building performance is then classified into categories ranging from "Acceptable" to "Outstanding". This system enables developers to focus on specific areas for improvement. The certification also highlights energy efficiency, which is essential for reducing the carbon footprint of buildings. This structured framework helps not only to improve environmental performance, but also the value of the building.

BREEAM vs. other environmental certifications

BREEAM, LEED certification and HQE (Haute Qualité Environnementale) are internationally recognized certifications for building sustainability. BREEAM stands out for its flexibility and focus on actual building performance.

LEED is based in North America and focuses on sustainable development and innovation. HQE is mainly used in France and focuses on ecological quality. Although each standard has specific requirements, they all aim to promote environmentally-friendly building practices. The choice of certification often depends on the location and objectives of the project.

BREEAM principles and challenges

BREEAM is a certification scheme that assesses the environmental performance of buildings. It is committed to reducing the ecological impact of buildings. This section clarifies how BREEAM promotes sustainability and delivers significant benefits.

Environmental and sustainable performance

Environmental performance is at the heart of BREEAM. It measures the efficiency of buildings according to a number of criteria. The aim is to minimize ecological impact. Aspects analyzed include, among others, energy use, waste reduction, and the choice of sustainable materials.

The approach integrates elements such as water management and the reduction of CO2 emissions. For example, BREEAM-certified buildings must meet high standards of energy performance. The assessment takes into account not only the design, but also the day-to-day operations of the building.

The benefits of environmental certification

BREEAM certification offers a number of advantages. Firstly, it enhances the credibility of buildings in terms of sustainability. This attracts investors and tenants who are sensitive to environmental issues. Secondly, it improves operational efficiency, which can save money in the long term.

What's more, BREEAM buildings contribute to the well-being of occupants. By incorporating criteria such as air quality and natural lighting, they promote a healthier environment. Finally, this certification enables owners and developers to comply with environmental regulations, which can be crucial in avoiding penalties.

BREEAM assessment categories

BREEAM certification offers several categories depending on the type of project. These categories include new build, current use, refurbishment and interior fit-out. Each type assesses different ecological aspects to improve the overall sustainability of buildings.

New Construction and In-Use

New Construction is for buildings under design or construction. This category evaluates environmental performance, focusing on the sustainability of materials, energy efficiency and water management. Projects must meet specific criteria to reduce ecological impacts right from the construction phase.

In-Use applies to buildings already in operation. It measures the efficiency of day-to-day operations, overall environmental impact and asset management. The assessment focuses on continuous improvement and optimization of resources.

Refurbishment and Fit-Out

Refurbishment concerns the renovation of existing buildings. It aims to bring older structures up to modern environmental standards. Key criteria include improving energy efficiency and reusing materials.

Fit-Out applies to interior fit-outs, assessing the ecological impact of new installations in an existing building. It focuses on aspects such as indoor air quality, the use of environmentally-friendly materials and the optimization of space to reduce energy consumption.

How do I obtain BREEAM certification?

BREEAM certification requires a structured process, involving several key stages. The BREEAM assessor plays an important role in this procedure, guiding the project through the various assessments. There are also specific costs and investments to consider in order to obtain this ecological certification.

The certification process

The BREEAM certification process begins with a preliminary assessment. This identifies the criteria applicable to the project. These criteria cover energy, water, materials and emissions. Once these criteria have been established, a design phase follows in which BREEAM requirements are integrated.

This is followed by an interim assessment during construction to verify compliance with the set standards. At the end of the project, a final assessment is carried out. This assessment determines the level of certification awarded, based on compliance with established criteria.

The role of the BREEAM assessor

The BREEAM assessor is an accredited expert who accompanies the project at every stage. His role is crucial in ensuring that all requirements are met. The assessor carries out regular audits and provides recommendations for improving project compliance.

He or she is also responsible for compiling and analyzing the necessary documentation. This professional is impartial and guarantees that the assessment is carried out according to BREEAM criteria. His involvement facilitates full compliance with the environmental standards required by the label.

Certification costs and investment

BREEAM certification costs vary according to the complexity and size of the project. They include preliminary, intermediate and final assessment costs. In addition, hiring a professional BREEAM assessor generates extra costs.

Obtaining this certification therefore requires a conscious financial investment, which may include architectural or technical modifications to meet BREEAM criteria. However, these investments can be recouped through reduced energy costs and improved brand image.

BREEAM performance criteria and requirements

BREEAM certification assesses various aspects of building sustainability. It focuses on energy efficiency, occupant health, resource management and the ecological impact of materials. Each criterion is essential for adopting more environmentally-friendly building practices.

Energy efficiency and consumption

Energy efficiency is at the heart of BREEAM certification, seeking to reduce building consumption through the use of modern technologies and renewable energies. To achieve a high level of certification, it is essential to incorporate efficient heating, ventilation and air conditioning (HVAC) systems, as well as effective thermal insulation to minimize energy losses.

In the case of warehouses, it is essential to comply with energy performance standards, in order to optimize their operation and ensure sustainable energy management in these large spaces.

Occupant health and well-being

Occupant well-being is a key aspect of BREEAM assessment. This criterion examines indoor air quality, natural lighting and thermal comfort.

The adoption of low-emission materials to reduce volatile organic compounds is encouraged. Improved lighting, through well-positioned windows and light control systems, contributes to a pleasant environment. Ensuring good acoustics reduces noise and improves occupant comfort.

Water and waste management

Sustainable water management is an integral part of BREEAM requirements. Emphasis is placed on reducing water consumption through efficient sanitary installations.

The use of rainwater harvesting and grey water reuse systems is recommended. In terms of waste management, BREEAM promotes recycling and reduction at source. Certified projects must include waste management plans to mitigate their environmental impact.

Choice of materials and impact on the ecosystem

Material selection has a considerable impact on achieving BREEAM certification. Materials must be sustainable and responsibly sourced to minimize the ecological footprint.

Buildings should encourage the use of recycled and renewable materials. It is essential to consider the entire life cycle of materials, from extraction to disposal. Products certified for their low environmental impact are preferred to ensure that buildings respect the ecosystem.

Certification levels

BREEAM certification comprises five levels, each representing a specific degree of environmental performance. These levels assess the sustainability of buildings by assigning a score based on various criteria.

From 'Pass' to 'Outstanding

BREEAM certification levels range from 'Pass' to 'Outstanding'. The 'Pass' level requires a building to achieve a minimum score to be considered as having acceptable environmental performance.

Above this are 'Good' and 'Very Good', which require greater efforts in terms of ecology and resource management. Excellent' is distinguished by well above-average performance, while 'Outstanding' is the highest level. Achieving 'Outstanding' requires exceptional efficiency in energy, materials and water management. The final score determines the BREEAM rating, reflecting a building's commitment to eco-responsibility.

Advantages and benefits for owners and occupants

BREEAM certification brings clear benefits for building owners and occupants. These include increased property value, improved comfort and quality of life, and reduced operating costs.

Property value and attractiveness

BREEAM-certified buildings are more attractive to investors and developers. They often enjoy a higher market value, as certification is synonymous with quality and environmental performance. This can also speed up the sale or letting of these properties. Developers also find that a certified building more readily attracts environmentally conscious users.

For investors, a certified building represents a safer, more sustainable investment thanks to environmentally-friendly construction practices. This enhanced credibility often translates into greater stability on the real estate market.

Improved comfort and quality of life

Occupants of BREEAM-certified buildings enjoy greater comfort and a higher quality of life. These buildings are designed to optimize energy efficiency, ventilation and natural lighting. These factors contribute to a healthy and pleasant indoor environment, which is particularly important for the health and well-being of users.

Amenities such as green spaces and advanced air purification systems enrich the occupants' experience. Studies often show reduced stress levels and increased satisfaction among those living or working in such spaces.

Lower operating and maintenance costs

Owning a BREEAM-certified building offers the opportunity to reduce energy and maintenance costs. These buildings use resources more efficiently, lowering utility bills for owners and tenants. Advanced technologies for heating, cooling and lighting contribute to this efficiency.

At the same time, maintenance becomes less costly thanks to the use of durable, high-quality materials. As a result, occupants benefit from lower costs and greater satisfaction, while owners find their investment more profitable in the long term.