Enabling the Energy Transition

JG Consulting

We are driven by reducing the energy consumption and environmental impact of the built environment. Our engineering and analysis deliver this.

CFD - Large Scale Air Source Heat Exchanger Plume

What we Do

Analysis | Strategy |  Design

Through robust and transparent analyses we identify and prioritise the important aspects of any project, regardless of scale, sector or budget. We align client objectives, technical rigour and engineering experience to set ambitious strategies and deliver designs that minimise energy consumption and environmental impact.

Analysis | Strategy | Design

Heritage Building - Thermographic Image of Building Envelope

Heritage | Retrofit

Longevity through energy use reduction and comfort improvements

Masterplanning - Future Proofing and Policy Consideration


Accommodate future policy directions and technological change


Implement technically challenging innovation

University of Cambridge, Civil Engineering Building

What we Do


Successful buildings provide amenity, comfort and space without wasting energy. Our expertise in mechanical, electrical and environmental engineering is central to delivering optimised, coherent designs that balance these competing needs.


Mixed Mode Natural Ventilation Roof Assembly and Bespoke Lighting Installation - Darwin College, John Bradfield Court


Making best use of daylight, fresh air and passive design

Plant Room -Trinity College New Court

Mechanical and Electrical

Efficient and resilient systems

Large Scale Air Source Heat Pump Installation - Denmark

Renewable Energy

Harnessing natural energy flows within the built environment

the team

About Us

Our team has a combined experience of over 30 years spanning a range of sectors, scales and budgets for both new build and low-energy refurbishment – healthcare, complex higher education buildings, historic college buildings, Passivhaus, multi-residential and mixed use, offices, sports and leisure, and private houses.

Our approach to all our advice and output is driven by realising genuinely sustainable outcomes. Our experience and expertise allow us to provide a comprehensive range of services.

New Court, Trinity College, Cambridge-photo Timothy Soar.png

Photo Timothy Soar

Our Services

We are constantly adapting to the demands of the energy transition

The tasks required to enable the energy transition evolve with technological development, policy and economics. We are constantly adapting and learning to bring insight and expertise to real projects. At present our focus is on:


  • Strategic Energy Masterplans
  • Mechanical and Electrical Engineering
  • Environmental Engineering
  • Heat Pumps – Air, Water and Ground source
  • Interfacing buildings with wider infrastructure – Community microgrids and EV charging
  • Building Physics and CFD modelling
  • Retrofit – fabric strategy, moisture modelling and improvement of building services

JG Consulting

12c King's Parade, Cambridge CB2 1SJ
+44 01223 641797