OCSC’s Sustainability Department was founded in 2008 with one goal to meet the needs of the present without compromising the needs of future generations.

Our Mission

Our mission is to design and deliver flagship sustainable developments and infrastructure that create a positive impact economically, environmentally, and socially,

OCSC’s award winning Energy & Sustainability Team will guide you on your sustainability journey, covering strategic advice through to practical implementation.

OCSC will provide you with the leading edge innovative solutions that will not only meet your sustainability requirements but will also assist in reducing energy and carbon costs. Our innovative ways have led to some of the most noteworthy sustainable developments in the world.

As part of our commitment to sustainabnility we are members of IGBC, USGBC etc etc.

OCSC have published over 5000 BERs since the certification methodology was introduced in 2012

Environmental Social and Governance (ESG)

Our ESG services will assist you with the planning and implementation of an innovative sustainability strategy that incorporates all aspects of environmental, social and governance for your organisation.

Through collaboration, we will determine your ESG goals, support you through the process and deliver high-quality solutions that drive long-term success.

ESG Services provided;

– ESG Strategies
– EU taxonomy

Green Building Certification

With many years’ experience in helping organisations achieve their sustainability goals, our team are experts in the field of green building certification. We offer world class advice and services in LEED, BREEAM, and WELL (and many others) and can guarantee that we will work with to ensure your asset achieves the desired outcome.

Our efforts to date have placed us as one of the leading consultancies in green building certification, achieving over 10 million ft2 of sustainable certification to date.

– Fitwel
– The Living Building Challenge

Operational & Embodied Carbon Analysis

With the E.U Commitment of Net Zero GHG emissions by 2050 the race is on. OCSC have specialised in low carbon design solutions since 2008. We are experts in reducing energy consumption via proven design strategies. As part of our design philosophy, energy and carbon reduction form the basis of all designs on every project.

OCSC Services

– Carbon / Energy analysis
– Advanced Energy Modelling
– Embodied Carbon Life Cycle Analysis
– Detailed Part L Assessments
– Building Energy Ratings (BERs) / Energy Performance Certificate (EPCs) – Commercial & Residential
– Passiv Haus

Built Environment Analysis

Key to successful development is a creating a comfortable and enjoyable environment. Early analysis is key to optimum performance for both the internal and external environments. We have extensive experience with analysing optimum performance via state of the art software technology and can provide the following services for planning compliance or detailed design

– Wind / Microclimate analysis
– Daylight, Sunlight and Over-shadowing
– Natural Ventilation Studies
– Overheating Analysis
– Thermal Bridging Analysis
– Detailed energy modelling


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