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Green Hills


Energy and Sustainability


Providing climate responsive and sustainable design is critical to achieving environmentally friendly buildings. 

Our talented building physics and engineering teams provides advice to the design team and clients on the building design and its impact on the environment at the early design stages


Dynamic thermal modelling is used as the primary tool in assessing the proposed energy levels and overheating scenarios  for buildings.  The dynamic thermal models are produced after consultation with the team to establish the buildings regulatory energy targets and the clients desire in terms of environment and utilisation for each space within the building.

The design considerations will influence the energy consumption, carbon emissions, thermal comfort, daylight and summer overheating  of each building and these can be dynamically modelled to ensure all the required energy criteria are met in this simulated environment providing financial certainty and programme benefits in the construction phase of the project.


The use of dynamic thermal modelling allows the clients to assess the most energy efficient and practical building construction type through comparison with standard energy legislation produced by the UK Government and local planning authorities


Buildings and their environments need to function well, with minimal energy usage, and with ease for their occupants. Long life building efficiency, environmental impact, comfort, safety and security, and ease of maintenance are the key requirements our clients stipulate for every brief. 


We utilise a IESVE dynamic thermal modelling toolset to assess the performance of each building and this allows our team to produce an appropriate carbon reduction strategy to meet or exceed our clients’ requirements. 


Our dynamic thermal modellers create a simulated thermal environment to allow an accurate understanding of  how the building will operate when in use using different building  and services criteria, so clients can see exactly how the building will function for them.


This process allows us to challenge and establish the building fabric, structure and services design strategy at an early stage, avoiding unnecessary and abortive design work and unwanted changes to the building during construction.


From this analysis, the design team and our client can be confident that the building has been optimised for performance.


Through the Dynamic thermal modelling process we can assess:

  • Building layout and Building fabric performance

  • Environmental conditions

  • Summer overheating and determining solar shading requirements

  • Passive and/or mixed mode/mechanical ventilation requirements

  • Daylighting analysis and lighting design

  • Renewable energy solutions

  • Energy consumption and carbon emissions

  • Occupancy profiles and building use

  • Building Regulation and other specific industry sector energy compliance (Part L, BB101, SBEM, SAP, EPC, BREEAM etc.)

Carbon reduction and management strategies


Working with both the public and private sectors, we produce carbon management surveys and reports to describe our clients current energy usage.  We then produce plans to improve the buildings or portfolio of buildings energy consumption over a dedicated time line in line with the UK Governments Nett zero carbon targets. 


Within the education sector these can be formally considered in accordance with the UK Government  Department for Education’s Low Carbon Skills Fund (LSCF) or Public Sector Decarbonisation Scheme (PSDS)   providing options to improve the performance of education buildings with consequential reductions in energy costs. We ensure projects meet or exceed the latest Building Regulations Parts L, F, O and CIBSE TM52 and 59.


Within the residential , commercial, retail and industrial sector these would be carried out using the latest SBEM criteria and IESVE dynamic thermal modelling software for energy, over heating and daylight analysis providing options to improve the performance of these  buildings with consequential reductions in energy usage and costs in order to meet the latest Building Regulations Parts L, F,O and CIBSE TM52 and 59.

Our energy and sustainability team are experienced in all sectors and will undertake feasibility studies to determine the appropriate options in each case to ensure all potential carbon reduction methods are considered.

From this study we will develop and put forward sustainable, carbon reduction solutions and develop options appraisals considering both the capital expenditure and projected payback periods.

Energy compliance and benchmarking


Our Building Physics team support our clients in achieving the legislative and sustainability requirements for their buildings through the following carbon reduction calculations :


  • SBEM & EPC calculations for commercial buildings to monitor energy usage and carbon dioxide emissions

  • SAP & EPC calculations for residential buildings

  • DEC assessments for public buildings

  • BREEAM assessments and ISG strategies

  • LSCF and PSDS applications and compliance

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