Tel: +44 (0)203 504 0135

Our Lead ESOS Assessors

Our team of Lead Assessors have the depth of experience, skills and knowledge to ensure your ESOS audit will be carried out efficiently and to time while meeting all the complex compliance requirements laid down by the Environmental Agency. Our team have experience of Display Energy Certificates (DECs), Green Deal reports, Carbon Reduction Commitment (CRC), Whole Life Cycle Costing, modelling of energy consumption in buildings and industrial processes.


Dr Colin Lillicrap: With 22 years of leading edge research into a wide range of industrial processes combined with 15 years of  consulting on energy efficiency in buildings, Colin has the knowledge and skills required to carry our ESOS audits. He has recently developed and delivered training course based on the methodology of CIBSE TM54 that teaches how to account for all energy using activities in a building.

We see the ESOS audits as a natural extension of this methodology to include process and transport energy. He is a CIBSE Low Carbon Consultant and  registered Lead ESOS Assessor currently carrying out ESOS audits for clients.


Robert Corbyn MRICS: Chartered Mechanical and Electrical (M&E) Quantity Surveyor / Commercial Manager. He has over 20 years experience within the construction industry providing technical Commercial Cost Advice, Energy Management Skills and Whole Life Cycle Costings on complex buildings and building engineering services systems.

He is accredited to certify and issue Commercial Energy Performance Certificates (EPCs). Qualified to provide Display Energy Certificates for Public Buildings and carry out Air Conditioning Energy Efficiency Inspections for simple and complex systems as required by the Energy Performance of Buildings Directive (EPBD). Robert has a Diploma in Green Deal Energy Advice and has also complied with the requirements of CIBSE Certification Low Carbon Consultants Scheme:- On Building Design, Operations and Energy Management Systems (EMS) to BS 16001. Qualified with CIBSE as ‘ESOS Lead Assessor’ for the UK Government’s new Energy Saving Opportunity Scheme(ESOS).

He is also able to advise clients on what the most cost effective solutions are to improve their building energy asset and operational ratings. He identifies the most cost effective solution, helping the industry deliver a low carbon future.


Contact Us

Drop us an e-mail at  or speak directly with Robert Corbyn MRICS Accredited CIBSE ESOS Lead Assessor on his mobile 07804 414170.


We are accredited ESOS Surveyors, Lead Assessors and ESOS Surveyors, ESOS Energy Assessors, ESOS Energy Surveyors.

Low Carbon Energy Assessors (LCEA) Ltd (6682232) a limited company registered in England and Wales and regulated by The Royal Institution of Chartered Surveyors Regulation Authority.