Construction Assessments and Surveys Ltd (CAS)
We provide energy assessments and surveys for construction projects.
As seasoned industry professionals with over 30 years of experience, we focus on optimising the energy performance of our built environment. Our comprehensive suite of energy and sustainability services spans from project conception to completion. Whether you’re at the concept stage or nearing project delivery, we’re here to assist. We offer a range of services to support you, including SAP Reports, SBEM Calculations, Retrofit Assessments and more. Our expertise, cutting-edge software, and carefully curated assessments empower your project to achieve the highest energy standards, providing unique support at every stage. But that’s not all. We’re passionate about shaping environmentally responsible designs. Our company ethos centres around seamless collaboration, ensuring you receive the right assessments and surveys promptly and hassle-free. Our industry knowledge sets us apart. Founded by Architects and Passive House professionals, we offer an holistic approach to energy performance. Operating nationwide across the UK, we prioritise compliance, cost-effectiveness, and practical solutions for the smooth execution of your project.
Products and services
U Value Report
U-value calculations in compliance with Building Regulations Part L. This calculation measures the overall rate of heat transfer through a specific section of construction. These help our clients understand thermal efficiency of individual building components. U Valve Report »
Water Efficiency Report
Water efficiency calculations in compliance with building regulations Part G. This calculation measures the overall water efficiency in buildings which are essential for compliance and ensuring proper water usage. Water Efficiency Report »
Overheating Part O Report
Overheating calculations in compliance with Building Regulations Part O. This calculation measures the potential for overheating in buildings which are essential for compliance and ensuring thermal comfort. Overheating Part O Report »
Retrofit PAS2035 Report
Retrofit assessment for dwellings in accordance with PAS 2035. Our comprehensive assessments include U-Values, detailed reports for Building Control, and expert advice and specifications to ensure full compliance. Retrofit PAS2035 Report »
SBEM Assessment
SBEM calculations in compliance with Building Regulations Part L essential when building or extending a commercial building UK. Our comprehensive SBEM Calculations include U-Values, detailed BRUKL report for Building Control, and expert advice and specifications to ensure full compliance. SBEM Assessments »
SAP Reports
SAP Calculations in compliance with Building Regulations Part L1A (new builds) and Part L1B (extensions). Our comprehensive SAP Calculations include U-Values, detailed reports for Building Control, and expert advice and specifications to ensure full compliance. SAP Reports »
