No two homes are the same.
Every home is different. Morewood Sustainability provides specialist energy modelling and carbon assessment services to help you take action to improve sustainability, navigate regulatory requirements and make more informed decisions.
Services
Morewood Sustainability offers a range of sustainability services for buildings. If you are not sure what service you need, please get in touch.
Specialist energy modelling
Using advanced dynamic simulation modelling to address specific issues in building design and make more informed decisions.
Whole life carbon assessment and decarbonisation
Working to address both operational and embodied carbon emissions in order to deliver truly sustainable buildings.
Energy, carbon reduction and sustainability strategies
Working to address local planning requirements related to energy, carbon and sustainability.
Commercial EPCs and SBEM
Providing Energy Performance Certificates using the Simplified Building Energy Model (SBEM) for commercial buildings.
Thermal bridge modelling
Using THERM modelling to provide evidence on the performance of different junction designs.
Data analysis services
Turning data about our buildings into actionable insights to inform decision making at the planning, design and operation stages.
SAP EPCs for new build dwellings
Providing Energy Performance Certificates (EPCs) using the Standard Assessment Procedure (SAP) methodology for new build homes, supporting clients through the planning, building control and completion stages.
SAP EPCs for conversions and extensions
Providing Energy Performance Certificates (EPCs) using the Standard Assessment Procedure (SAP) for conversions and highly glazed extension projects where required.
EPCs for existing homes
Providing and updating Energy Performance Certificates (EPCs) and Energy Report for existing homes using the Reduced Data Standard Assessment Procedure (RdSAP) methodology.
Approach
Morewood Sustainability offers a single front door to the specialist energy modelling and carbon assessment services you need. Access to services is quick and direct, which means that you get accurate information on-time so you can get on with your project.
Collaborative
Working with you to provide actionable energy and carbon data to help you make more informed design decisions. This involves troubleshooting to find appropriate solutions without compromising your vision. Morewood Sustainability works with architects, planning consultants, contractors, homeowners and self-builders.
Local expertise
Local planning authorities are introducing stronger sustainability policies and Building Regulations are tightening. Experience navigating policies like Cornwall’s SEC1 and South West Devon’s DEV32 in Plymouth adds value to your project. No two homes are the same, and this knowledge of local policies is married to an understanding of the South West’s housing stock.
Trusted and accredited
Morewood Sustainability engages with professional bodies, sustainable building networks and leading accreditation schemes to provide you with confidence and peace of mind. This includes accreditation with Elmhurst Energy and Quidos Certification.
About
Morewood Sustainability is a collaborative, local and trusted consultancy who provide specialist energy modelling services. Based in Yelverton, Morewood Sustainability serves Devon, Cornwall and beyond.
Jack Morewood, Sustainability Engineer
News and case studies
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Unpacking the “new” EPC: What RdSAP 10 means for your home
Energy Performance Certificates (EPC) for existing homes are calculated using a government-approved methodology called the Reduced Data Standard Assessment Procedure (RdSAP). On June 15th 2025, RdSAP 10 was introduced, replacing the RdSAP 9, which has been in use since 2007. Quite a lot has changed, requiring measurements such as window dimensions and allowing additional data
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New website launched
I hope that you find this new website easy to use and that you can find the information you need, whether you are a prospective client or just browsing. If you’re looking for advice on how to improve the performance of your home, then the new “insights” section may be for you. You’ll soon find
Not sure where to start?
Let’s find out your exact needs over a phone or video call.