Buildings today are subject to complex and interrelated requirements: climate targets, resource scarcity, rising energy costs, and regulatory frameworks shape both design and operation. Sustainability is therefore not an add-on, but a key decision-making parameter.
We support clients throughout all project phases in assessing these requirements on a sound technical basis and translating them into viable solutions. Our focus is on resource efficiency, circular principles, and energy-efficient building concepts.
Targeted optimisation of energy demand and greenhouse gas emissions results in buildings that are economically viable, comfortable, and future-proof over their entire life cycle.
The German Sustainable Building Council (DGNB) assesses buildings based on ecological, economic, and social criteria. As an active DGNB member, we continuously contribute our expertise to the further development of the system.
We support projects throughout all certification phases – from initial potential analysis and design consulting to auditing. This applies to new builds, existing buildings, and refurbishments.
Our services include:
The NaWoh Quality Seal for Sustainable Housing provides a certification system specifically tailored to residential buildings, with clearly defined requirements for environmental impact, usability, and economic performance.
We support clients in the development and assessment of residential buildings within the NaWoh framework – from early concept design through planning support to final verification.
Our focus includes in particular:
The Quality Seal for Sustainable Buildings (QNG) forms the basis for KfW funding programmes and defines clear requirements for the ecological, health-related, and social quality of buildings.
We provide consulting and support throughout planning and implementation, particularly with regard to:
The requirements of the EU Taxonomy Regulation and ESG criteria directly influence key project decisions – from material selection and energy demand to the assessment of climate risks and operational performance.
We advise clients and investors on integrating these requirements at an early stage of project development and embedding them systematically into design, implementation, and operation.
Our focus includes:
We prepare life cycle assessments (LCA) for your building project, covering the entire life cycle – from raw material extraction and manufacturing through use and maintenance to end-of-life and deconstruction. In doing so, we quantify and evaluate environmental impacts such as CO₂ emissions, energy consumption, and resource use.
On this basis, we identify optimisation potential, support informed decision-making, and work together with the specialist planners to develop the required documentation, for example for the Quality Seal for Sustainable Buildings (QNG).
Life cycle cost analysis (LCC) considers the total costs of a building over its entire life cycle – from planning and construction through operation and maintenance to end-of-life and deconstruction.
It provides a sound basis for economic decision-making, helps identify cost-saving potential at an early stage, and ensures the long-term financial viability of projects. This ensures that investments are used efficiently and that economically sustainable buildings are delivered.
Climate risk analysis assesses the vulnerability of buildings and infrastructure to current and future climate impacts. Risks such as heat, heavy rainfall, or flooding are identified and analysed in terms of their potential effects on the project.
Based on this, adaptation and risk mitigation measures are developed to enhance resilience to climate-related impacts.
Consulting on Cradle-to-Cradle and circular construction supports building projects in designing materials and processes so they can be reused, recycled, or biodegraded.
A key tool is the building material passport, which documents the materials used and makes their reuse and recycling potential transparent. Material data is captured, managed, and made available for future planning via digital platforms such as Madaster or Concular.
In combination with BIM-based processes, this material and resource documentation is directly integrated into the planning process, ensuring that ecological, economic, and social aspects are considered at an early stage and that buildings can be optimised according to circular construction principles.
Building climate design and the development of climate concepts are key components of sustainable buildings. Robust building design begins with a well-founded climate concept. Our building climate analyses and energy strategies combine simulation methods with practical, application-oriented consulting. The objective is to achieve a healthy and comfortable indoor environment with minimal energy demand.
In doing so, we consider site-specific factors such as solar exposure, shading, wind conditions, and topography to develop climate-responsive and energy-efficient solutions.
Increasing regulatory requirements are driving higher standards for energy-efficient buildings.
We provide consulting on the development of energy concepts that go beyond annual energy demand, incorporating aspects such as thermal comfort, indoor air quality, summer heat protection, as well as economic efficiency and eligibility for funding. Using dynamic simulations and energy modelling, we apply our expertise in building optimisation to deliver robust and reliable results.
In addition, we advise on material-related aspects throughout the construction process, including the selection of low-emission and health-safe building products as well as ecological and natural materials.
We also support tendering and procurement processes and assess construction products within certification frameworks with regard to their suitability and approval.
Existing buildings offer significant potential for reducing CO₂ emissions, which can only be unlocked through a differentiated analysis of the building fabric, usage, and technical boundary conditions.
We provide consulting on the refurbishment of existing buildings based on energy performance assessments and economic evaluations, and develop targeted measures—ranging from individual interventions to coordinated refurbishment strategies.
In doing so, we integrate structural, technical, and usage-related requirements to enable informed decisions on the further development of existing assets and the effective use of suitable funding programmes.
Buildings are developed through the interaction of multiple disciplines. Our consulting is closely integrated with the expertise of our in-house specialists, enabling a coordinated approach to key project requirements. We collaborate in particular with the following areas:
We are a member of the German Sustainable Building Council (DGNB) and the Madaster Network.
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