From SAP to the Home Energy Model: The difference, and why it matters

November 4, 2025

At Wincer Kievenaar, we integrate energy assessment directly into our design process through our own in-house SAP assessor. This upcoming transition brings us both an inspiring challenge and an opportunity, and it will reshape how we design and communicate energy performance in our residential projects. But it’s important to note: SAP isn’t being phased out just yet. In this article,... Read more

Enhancing Energy Efficiency with Bespoke Thermal Bridging Calculations

May 16, 2025
| 5 min read

Understanding Thermal Bridging (PSI-Values) Thermal bridging has become increasingly significant in the construction industry. As the demand for energy-efficient homes grows, thermal bridging is recognized for its impact, potentially accounting for up to 30% of a building’s... Read more

Achieve Energy Efficiency and Comfort with Passive House Design

May 16, 2025
| 5 min read

What is Passive House? Passive House (or Passivhaus) is a quality control standard aimed at producing comfortable and energy efficient buildings. This is achieved by focusing on five key principles: High levels of insultation Airtight construction Reduced thermal... Read more

Home Energy Performance: The Importance of Early SAP Calculations in Residential Design

May 16, 2025
| 5 min read

What is a SAP calculation? A SAP calculation, or Standard Assessment Procedure, is a method used to evaluate the energy performance of residential buildings. It is crucial for demonstrating compliance with building regulations (Part L in England and Wales, Section 6 in... Read more