Ratio Seven Limited

Ratio Seven Ltd services include:
New Build PEAs & EPCs
SAP Calculations - Part L1A
SAP Calculations - Part L1B
Code For Sustainable Homes Assessments
Air Tightness Testing 
Acoustic / Sound Testing
Water Calculations
Daylighting Calculations
Technical / Building Regulations specifications & advice
U Value Calculations
Energy Consultancy / Assessments
Ventilation Design, Inspection, Testing, Commissioning 
MVHR maintenance Service Agreements