SAP Design & EPC
Building Regulations Part L Compliance
As Designed SAP Calculations
As Built SAP Lodgement
Expert Energy Assessment
Comprehensive SAP Compliance for Sustainable Construction
At Sustainabuild Compliance, we provide end-to-end SAP (Standard Assessment Procedure) Design and EPC (Energy Performance Certificate) services to ensure full compliance with Building Regulations Part L. Whether you’re planning a new build, conversion, or extension, our expert team delivers accurate, reliable assessments tailored to your project’s unique requirements.
Our SAP & EPC Services Include:
Building Regulations Part L Compliance
We ensure your development meets the latest energy efficiency standards outlined in Part L of the Building Regulations. From fabric performance to low-carbon technologies, we help you navigate the complexities with ease.
As Designed SAP Calculations
Before construction begins, we carry out As Designed SAP calculations to model the proposed energy performance of your building. These detailed assessments support your design team in making energy-efficient choices early in the project lifecycle.
As Built SAP Calculations
Upon project completion, we produce As Built SAP calculations reflecting the actual materials and systems installed. This includes submitting your EPC to the central register, providing legal documentation for final compliance and handover.
Expert Energy Assessment
Our accredited assessors bring years of industry experience to each project, offering pragmatic guidance to improve energy ratings, reduce emissions, and meet all compliance obligations smoothly and efficiently.
Why Choose Sustainabuild Compliance?
✅ Qualified and accredited SAP assessors
✅ Fast turnaround and accurate reporting
✅ Guidance on improving energy performance
✅ Support from design through to completion
✅ Competitive pricing with no hidden costs
Who Needs SAP Calculations & EPC?
- New build dwellings
- Conversions (e.g. barns, offices to residential)
- Extensions with substantial glazing
- Projects requiring building control sign-off
Whether you’re an architect, developer, self-builder, or homeowner, our services are tailored to help you comply with legal obligations while building sustainably and cost-effectively.