Diland EPC

What are Psi-Values? Psi-values (also known as Ψ-values or psi coefficients) refer to the linear thermal transmittance of a building...

The introduction of photographic evidence in Part L of the Building Regulations aimed to provide clearer information on the as-built...

Over the past few years, Part G Building Regulations have changed for all new homes, extensions and conversions and property owners are...

SAP calculations are used to calculate and assess the energy efficiency of houses. They are part of the government’s plan to reduce...