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Welcome to Nevitt & Sons 

Expert SAP Calculations & EPC Services

At Nevitt & Sons, we provide professional SAP Calculations and EPC certificates tailored for all types of building projects, from new builds to extensions and conversions. With a focus on compliance, efficiency, and cost-effective solutions, we ensure your project meets Building Regulations Part L1A and L1B at every stage, from design to completion.

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We believe in a Fabric First Approach, prioritising the thermal performance of the building envelope—insulation, airtightness, and glazing—before relying on mechanical and renewable technologies. This not only improves energy efficiency and reduces long-term costs but also makes compliance more straightforward while enhancing the overall comfort and sustainability of the building.

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