GreenFish Consulting are an independent energy efficiency and energy compliance consultancy based in the South East of England. We encompass experienced energy assessors, engineers and sustainability consultants with a wealth of knowledge within the built environment industry across the UK, providing services such as commercial and domestic energy performance certification to building simulation modelling.
Our experts, collectively, have over 50 years experience ensuring we understand your energy needs from the start. The majority of our business has been built through reputation and word of mouth recommendations, thus meaning our experience and reputation precede us. We are an approachable and professional energy compliance consultancy and every project is given the time it requires, regardless of how big or little it may be.
Take a look at some of the services we offer below, should you need more information or if you would like to discuss your requirements further, call us on 01892 300 450 or click here to email us and we will be in touch as soon as possible.

Land Registry Lease Plans
What are they? A lease plan is an accurate measured plan showing the extent of the property and land for leaseholders. It may also show communal areas and rights of […]
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Domestic Energy Performance Certificate
GreenFish Consulting have many years’ experience providing domestic EPC’s to a number of clients including estate agents, solicitors, landlords, facilities managers, and general members of the public.
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Standard Assessment Procedure (SAP)
All new buildings, domestic and commercial must attain a rating greater than the target rate for their annual carbon dioxide emissions. This exacting target represents a 20% improvement on the […]
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Energy Monitoring and Management
What we offer Our energy monitoring program service brings different levels of energy saving investigations into one holistic approach. We can measure any utility giving you the most detailed real-time […]
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EPC + Report – Minimum Energy Efficiency Standards (MEEs)
Minimum Energy Efficiency Standards (MEES) came into effect as of April 2018. Commercial properties will no longer be able to sign new tenancy agreements unless they reach a minimum EPC rating […]
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Commercial EPC Certificates
We employ experienced Commercial Energy Assessors, accredited to perform EPC’s for Levels 3, 4 & 5. Our Energy Assessment professionals have gone from strength to strength
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Commercial Part L Compliance
All new buildings, domestic and commercial must comply with Part L of the building regulations. This new single method of compliance replaces the multiple compliance routes set out in 2002, […]
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Free Consultancy Service
Greenfish Consulting are an independent energy consultancy, offering you some of the most experienced and knowledgeable consultants across the UK. As well as the full compliance services, we also offer […]
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Thermal Modelling
The advantages of thermal modelling are many, not only do they provide a much more detailed analysis of a building’s design however can also be used to identify potential problems […]
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Legionella Risk Assessments
At GreenFish Consulting our in-house consultants offer fully tailored Legionella Risk Assessments and management services. From one-off risk assessments to management plans, implementation services and testing.
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Display Energy Certificates
GreenFish Consulting have a strong history of producing DEC’s, and our accredited Public Building Energy Assessors are perfectly acquainted with the building and energy industries, which provide our clients with a sound and detailed service.
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Water Part G Compliance Report
In April 2010 the UK Government updated Part G of the Building Regulations with new requirements for water efficiency. This specifies that all new dwellings need to be designed, […]
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Commercial Energy Audits
The Increase in government legislation and other influential groups are putting more and more pressure on companies of all sizes to reduce carbon emissions, protect natural resources and improve their […]
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Regulation 25A – Consideration of High-efficiency alternative systems for new buildings
Regulation 25A came into force on 9th July 2013 and states that consideration must be made of the technical, environmental and economic feasibility of using high-efficiency alternative systems; such as […]
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Heating / Cooling Load Calculations
As part of our thermal modelling services, we can provide loading calculations to CIBSE methodologies. By thermally modelling the building we can provide detailed analysis of Heat losses, Solar, occupancy […]
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BB101 Compliance – Ventilation of School Buildings
We at GreenFish Consulting use IES’ Virtual Environment Software to thermally model the building to assess compliance with BB101, reporting on all aspects of thermal comfort and CO² densities within […]
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The Energy Savings Opportunity Scheme (ESOS)
INTRODUCTION TO ESOS The Energy Efficiency Directive has set an objective to accomplish a reduction of 20% of primary energy consumption by 2020. Under article 8 of the EU Energy […]
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TM44 Air Conditioning Reports
With experienced, fully qualified, and accredited engineers, GreenFish Consulting can undertake any level of Air Conditioning Inspections, from simple packaged units, to central chillers and AHU’s.
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