Some of our Projects

Air Permeability Testing

Air Permeability Testing or air pressure testing for Commercial and Residential properties.


SBEM for Commercial Buildings

SBEM calculations to demonstrate compliance with Building Regulations Part L2.

EPC for Commercial Buildings

Energy Performance Certificates for all non-domestic buildings of any complexity at competitive prices.

SAP for Domestic Buildings

SAP & EPC calculations to demonstrate compliance with residential Buildings Regulations Part L1.


Extract Fan Flow Testing

Extract Fan Flow Testing or Ventilation Testing for compliance with Part F of the building Regs.

Water Efficiency Calculations

Water Efficiency Calculations for compliance with Part G of the building Regs.



Welcome to Energaia. We bring a fresh approach to energy assessments of commercial and domestic buildings.


We offer tailor-made services, delivering high-quality consultancy and energy assessments to enable clients meet their building regulations obligations - at very competitive and cost-effective rates.


We are a UK company based in Derby (Midlands) and Exeter (Southwest) with nationwide coverage.




We can provide energy assessments for any domestic, commerical or school building from small and simple buildings to big and complex ones.


We are very responsive with very fast turn-around times. We are fully accredited and proficient with a range of industry leading building assessment software including FSAP, iSBEM and IES Virtual Environment.


To find out how we can assist your company, please chose from our list of services.