PAS2035:2023 Retrofit Services
Retrofit Designs








Full Fabric Measures and Ventilation Designs
In-House MCIOB Registered Sign Offs
Retrofit Designer Installer Support
Qualified Heat Pump Designers
Award Winning High Quality Retrofit Designs

At Dartmoor Energy, we specialise in creating bespoke retrofit designs that meet the highest standards of PAS2035 compliance. Our team of skilled designers are equipped to deliver energy-efficient solutions for all types of properties and measures.
Whether you need a comprehensive fabric and ventilation retrofit design for a large-scale project or targeted energy-efficient upgrades like Air Source Heat Pumps, Dartmoor Energy ensures your property meets both present and future energy demands.
What Does a Retrofit Designer Do?
A retrofit designer is responsible for developing detailed energy-efficient plans that are tailored to the specific needs of your property. Working closely with our retrofit coordinators and assessors, our designers ensure that every retrofit measure integrates seamlessly with your property’s architecture and performance goals.
Our designs take a holistic approach, aligning with the whole house philosophy central to PAS2035, to ensure all energy efficiency improvements work together for maximum impact.
Here's how our retrofit design process works:
Tailored Retrofit Designs
Our team begins by evaluating the retrofit assessment and occupancy report provided by our assessors. Based on this detailed information, we create a tailored design plan that considers:
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The most appropriate energy efficiency measures for your property.
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The integration of heating systems, insulation, ventilation, and other key elements.
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Compliance with PAS2035 standards, ensuring long-term energy savings.
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MCIOB sign off by Richard our Head of Retrofit Design.
Whole House Approach
Our retrofit designers work with the whole house approach in mind. This means that we don’t just focus on individual upgrades but design a system where all elements—heating, insulation, ventilation, and energy sources—work together to create a fully efficient and sustainable environment. This method ensures long-term benefits and avoids the risks of incompatible retrofitting.
Compliance and Quality Assurance
All our designs meet the stringent standards set out by PAS2035:2023, ensuring full compliance with the latest UK energy efficiency regulations. Our experienced designers are committed to producing high-quality work that not only meets regulatory requirements but also provides lasting comfort and value to your property.
Why Choose Dartmoor Energy’s Retrofit Design Services?
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Highly Skilled MCIOB Designers: Our team has the expertise and certification to deliver top-tier retrofit designs for a wide range of energy-efficient measures.
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PAS2035 Compliance: All of our designs adhere to PAS2035 standards, ensuring your project meets the latest energy efficiency regulations.
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Whole House Approach: We design with the entire property in mind, ensuring that all energy-efficient upgrades work together seamlessly for optimal performance.
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Local Expertise: Based in the South West, we have in-depth knowledge of the local building styles, environmental challenges, and regulatory requirements across Devon and Cornwall.
A Complete Solution for Your Retrofit Project
At Dartmoor Energy, we provide more than just retrofit designs. Our turnkey solutions encompass the entire retrofit process—from the initial assessment to final sign-off. We work closely with you at every stage, offering guidance, support, and expert advice to ensure your property achieves the highest levels of energy efficiency.
Why Choose Dartmoor Energy?
Our highly experienced, fully in-house Retrofit Services team includes:
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5 Skilled Retrofit Coordinators: Managing every step of your project with precision and expertise.
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9 Certified Retrofit Assessors: Ensuring that your property receives a comprehensive assessment tailored to its unique requirements.
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2 Qualified Retrofit Designers (MCIOB): Crafting bespoke energy-efficient designs to meet the highest standards of quality and sustainability.
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Certified Blower Door and Pulse Air Tightness Testing.
Our team is experienced in Warmer Homes, SHDF, HUG, LADS and ECO having delivered hundreds of successful retrofit projects in the South West. At Dartmoor Energy, we pride ourselves on offering a seamless experience, helping you meet PAS2035 standards for your project.
Our Award Winning Retrofit Services...

At Dartmoor Energy, we specialise in retrofit coordination, assessments, and design across the beautiful landscapes of Devon and Cornwall. Whether you're looking for support with your complete turnkey solution from project inception to final sign-off or a standalone retrofit coordination or retrofit design service, we are here to deliver exceptional results with our highly experienced fully in-house team.
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Contact us to discuss your project...
Get a quote
Our office is located in Callington, on the Devon and Cornwall border. Our retrofit professional can travel to retrofit projects across the whole of the Southwest region.
To see our competitive prices, click the "Get a Quote" button and tell us about your project.

