LF Building Efficiency provides energy efficient testing and calculations to new build houses, for architects, builders, developers and self builders through out the South East. The services provided include:- Air Leakage Testing- SAP and EPC- Water Calculations- Acoustic Testing via a partnering company. With many years experience, LF Building Efficiency's expertise allows to provide either yourself and your clients with a service that is beneficial, helpful and more importantly affordable, with the main target being that the results required are achieved to continue the project stress and hassle free.