Upstream Energy Services has developed a National Panel of Level 3, 4 Non Domestic Energy Assessors and can provide Non Domestic / Commercial Energy Performance Certificates throughout the UK We provide new build energy assessments for residential property including design stage and as built SAP Assessments to comply with Part L Building Regulations, Predictive Energy Assessments and On Construction Energy Performance Certificates Our founders are a team of property professionals with years of experience in the building, surveying and property sectors We utilise the latest information technology and employ a group of highly trained staff to bring you an unbeatable service at a highly competitive price We provide a full range of energy assessment services covering both the commercial and residential sectors