About us


DOHERTYENERGY are are a progressive consultancy based in Cambridgeshire. We specialise in energy calculations, sustainability and renewable energy solutions. We can get involved in all stages of a project, from initial feasibility right through to the issuing the energy performance certificate on completion.

Our areas of expertise include:

  • Feasibility Studies
  • Energy Statements
  • On Construction Domestic Energy Assessors (OCDEA)
  • SAP Assessments, Design Stage, Predicted Energy Assessment, As Built and the On Construction Energy Performance Certificate (OCEPC)
  • Area Weighted U Value Calculations to demonstrate complaince with Approved Document L1B
  • Code for Sustainable Homes Assessments
  • BREEAM Domestic Refurbishment Assessments
  • Renewable Energy Studies
  • Water Efficiency Calculations

We can also provide the following services:

  • SBEM Calculations
  • Air Pressure Testing
  • Sound Testing
  • Ventilation Flow Testing
  • Energy Performance Certificates (EPC)

Our client base includes home owners, self build developers, private and public sector investors and small and larger residential developers.

We have a small team, offering a variety of skills and experience in the construction industry. The company was formed in 2005 primarily on the planning and architectural side, with the building services and energy consultancy becoming more of a priority in the past few years with the increased emphasis on this discipline by central government and local authorities alike.

Jason is a degree qualified Building Services Engineer with a keen interest in Energy Efficiency and Renewable Energy.  He is also an authorised SAP a Code for Sustainable Homes Assessor and a BREEAM Domestic Refurbishment Assessor.  Jason’s knowledge and enthusiasm for this area of the business has proved invaluable with the ever increasing demand by Government, Local Authorities and the consumer.

This team pride themselves on offering a varied, yet personal service to all their clients and feel that communication and a personal service is the key to a successful business.

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