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Services

Technical services and consulting solutions for clients in the property, energy, transport, water, resources, defence and government sectors.

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Discover our industry-leading strategy, design and management solutions for wastewater, groundwater, flooding, drainage and network infrastructure.

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Technical services and consulting solutions for clients in the property, energy, transport, water, resources, defence and government sectors.

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Advisory and management consulting

Advisory and management consulting services for businesses and projects, including economics, due diligence, transaction advisory, ESG and more.

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Scientific analysis services for AgroScience, food safety, workplace exposure, environmental metrics and contaminants of concern in Europe and the UK.

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Training

Specialist training services, programs and accreditation for health, safety and risk, project management, and energy sector capability development.

Health, safety and risk

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World-leading technical and consulting solutions for clients in the property, energy, transport, resources, water, defence and government sectors.

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Water

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Water management

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Commercial data, design advice and technical management solutions for safe and environmentally responsible resource exploration and operations.

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We define, design and manage projects that create shared value to a complex, urbanising and resource-scarce world.

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Brilliant minds finding solutions to complex problems, made easy to understand. Making complex easy.

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Thermal imaging of an apartment for thermal bridging analysis
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In June 2022, sections of the Building Regulations and Standards, addressing the energy efficiency of buildings in England, Wales and Scotland were updated. As a result, lower carbon emissions targets have been set to tackle the so-called Performance Gap between a building’s design and actual energy performance.

In particular, standards are being raised for insulation detailing, at the junctions in a building's envelope, to prevent thermal bridging, which accounts for almost 30% of a building's total heat loss. [1]

What is thermal bridging?

Thermal bridges, also known as cold bridges, are points in a building's thermal envelope where the insulation is compromised, resulting in increased heat transfer between the interior and exterior environments. They occur where there is a break in the continuity of the insulation layer, such as at junctions, corners, or penetrations.

Thermal bridges can adversely impact upon the energy efficiency of a building by allowing heat to bypass the insulation and flow through the path of least resistance. This results in heat loss during the winter and heat gain during the summer, leading to increased energy consumption for both the heating and cooling systems.

Thermal bridges, repeating, linear, geometric, point, building's total heat loss, insulation, thermal envelope
Diagram showing the overall building heat loss including elemental losses (U-value) and thermal bridge losses (Psi-values)
  • Reduced heating demand 

    Addressing heat loss can reduce the demand for heating energy, which can improve occupant thermal comfort and lower associated carbon emissions.

 

  • Tackling reduced internal surface temperature

    Thermal bridges impact the inner surface of a construction. Minimising their effects can help mitigate the risk of surface condensation, moisture, mould growth and damage to building fabrics while supporting occupant comfort and health.
  • Future Homes Standard compliance

    Reducing thermal bridging is critical to achieving net-zero energy-ready (NZER) buildings that meet future standards and deliver building constructability, durability and longevity.

  • Optimised design process

    Optimisation of the design process by preventing last-minute design iterations and project delays can promote cost efficiency. For example, further thermal insulation or improved air tightness to achieve targets and meet building regulations.
thermal bridging, energy, efficiency, thermal bridges

Changes to Building Regulations: Accredited Construction Details

In 2022, sections of the Building Regulations and Standards addressing the energy efficiency of buildings in England, Wales and Scotland were updated to tackle the so-called Performance Gap. 

A notable change was the removal of Accredited Construction Details (ACDs).