Welcome to SAPCalcUK, a family-run business dedicated to helping homeowners, self-builders, developers, and architects navigate the complexities of domestic building regulations.

We offer fast, accurate, and fully accredited SAP calculation services to ensure your property meets all current Building Regulations for energy efficiency and sustainability. Our expert team is here to guide you through compliance with professional support and competitive pricing.

Our mission is simple: to provide clear, practical guidance and accurate calculations so your build runs smoothly from the planning stage through to final sign-off. Whether you’re building your dream home, converting an existing property, or developing multiple dwellings, we’re here to make sure your project is fully compliant and energy-efficient — with a particular focus on Building Regulations Part G (Sanitation, Hot Water Safety & Water Efficiency), Part L (Conservation of Fuel and Power), and Part O (Overheating).

As a family business, we pride ourselves on a personal, responsive service. We take the time to understand your unique project, answer your questions, and deliver solutions tailored to your needs.

Get in touch today — we look forward to working with you.